Change device_mac_address to device_address

resources/functions.php

@@ -1,2215 +1,2216 @@
-<?php
-/*
-	FusionPBX
-	Version: MPL 1.1
-
-	The contents of this file are subject to the Mozilla Public License Version
-	1.1 (the "License"); you may not use this file except in compliance with
-	the License. You may obtain a copy of the License at
-	http://www.mozilla.org/MPL/
-
-	Software distributed under the License is distributed on an "AS IS" basis,
-	WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
-	for the specific language governing rights and limitations under the
-	License.
-
-	The Original Code is FusionPBX
-
-	The Initial Developer of the Original Code is
-	Mark J Crane <[email protected]>
-	Portions created by the Initial Developer are Copyright (C) 2008-2022
-	the Initial Developer. All Rights Reserved.
-
-	Contributor(s):
-	Mark J Crane <[email protected]>
-	Luis Daniel Lucio Quiroz <[email protected]>
-*/
-
-	if (!function_exists('mb_strtoupper')) {
-		function mb_strtoupper($string) {
-			return strtoupper($string);
-		}
-	}
-
-	if (!function_exists('check_float')) {
-		function check_float($string) {
-			$string = str_replace(",",".",$string ?? '');
-			return trim($string);
-		}
-	}
-
-	if (!function_exists('check_str')) {
-		function check_str($string, $trim = true) {
-			global $db_type, $db;
-			//when code in db is urlencoded the ' does not need to be modified
-			if ($db_type == "sqlite") {
-				if (function_exists('sqlite_escape_string')) {
-					$string = sqlite_escape_string($string);
-				}
-				else {
-					$string = str_replace("'","''",$string);
-				}
-			}
-			if ($db_type == "pgsql") {
-				$string = str_replace("'","''",$string);
-			}
-			if ($db_type == "mysql") {
-				if(function_exists('mysql_real_escape_string')){
-					$tmp_str = mysql_real_escape_string($string);
-				}
-				else {
-					$tmp_str = mysqli_real_escape_string($db, $string);
-				}
-				if (!empty($tmp_str)) {
-					$string = $tmp_str;
-				}
-				else {
-					$search = array("\x00", "\n", "\r", "\\", "'", "\"", "\x1a");
-					$replace = array("\\x00", "\\n", "\\r", "\\\\" ,"\'", "\\\"", "\\\x1a");
-					$string = str_replace($search, $replace, $string);
-				}
-			}
-			$string = ($trim) ? trim($string) : $string;
-			return $string;
-		}
-	}
-
-	if (!function_exists('check_sql')) {
-		function check_sql($string) {
-			return trim($string); //remove white space
-		}
-	}
-
-	if (!function_exists('check_cidr')) {
-		function check_cidr($cidr, $ip_address) {
-			if (isset($cidr) && !empty($cidr)) {
-				list ($subnet, $mask) = explode ('/', $cidr);
-				return ( ip2long ($ip_address) & ~((1 << (32 - $mask)) - 1) ) == ip2long ($subnet);
-			}
-			else {
-				return false;
-			}
-		}
-	}
-
-	if (!function_exists('fix_postback')) {
-		function fix_postback($post_array) {
-			foreach ($post_array as $index => $value) {
-				if (is_array($value)) { fix_postback($value); }
-				else {
-					$value = str_replace('"', "&#34;", $value);
-					$value = str_replace("'", "&#39;", $value);
-					$post_array[$index] = $value;
-				}
-			}
-			return $post_array;
-		}
-	}
-
-	if (!function_exists('uuid')) {
-		function uuid() {
-			$uuid = null;
-			if (PHP_OS === 'FreeBSD') {
-				$uuid = trim(shell_exec("uuid -v 4"));
-				if (is_uuid($uuid)) {
-					return $uuid;
-				}
-				else {
-					echo "Please install the following package.\n";
-					echo "pkg install ossp-uuid\n";
-					exit;
-				}
-			}
-			if (PHP_OS === 'Linux') {
-				$uuid = trim(file_get_contents('/proc/sys/kernel/random/uuid'));
-				if (is_uuid($uuid)) {
-					return $uuid;
-				}
-				else {
-					$uuid = trim(shell_exec("uuidgen"));
-					if (is_uuid($uuid)) {
-						return $uuid;
-					}
-					else {
-						echo "Please install the uuidgen.\n";
-						exit;
-					}
-				}
-			}
-			if ((strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') && function_exists('com_create_guid')) {
-				$uuid = trim(com_create_guid(), '{}');
-				if (is_uuid($uuid)) {
-					return $uuid;
-				}
-				else {
-					echo "The com_create_guid() function failed to create a uuid.\n";
-					exit;
-				}
-			}
-		}
-	}
-
-	if (!function_exists('is_uuid')) {
-		function is_uuid($uuid) {
-			if (gettype($uuid) == 'string') {
-				$regex = '/^[0-9A-F]{8}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{12}$/i';
-				return preg_match($regex, $uuid);
-			}
-			return false;
-		}
-	}
-
-	if (!function_exists('is_xml')) {
-		function is_xml($string) {
-		    $pattern = '/^<\?xml(?:\s+[^>]+\s*)?\?>\s*<(\w+)>.*<\/\1>\s*$/s';
-		    return preg_match($pattern, $string) === 1;
-		}
-	}
-
-	if (!function_exists('recursive_copy')) {
-		if (file_exists('/bin/cp')) {
-			function recursive_copy($source, $destination, $options = '') {
-				if (strtoupper(substr(PHP_OS, 0, 3)) === 'SUN') {
-					//copy -R recursive, preserve attributes for SUN
-					$cmd = 'cp -Rp '.$source.'/* '.$destination;
-				}
-				else {
-					//copy -R recursive, -L follow symbolic links, -p preserve attributes for other Posix systemss
-					$cmd = 'cp -RLp '.$options.' '.$source.'/* '.$destination;
-				}
-				exec ($cmd);
-			}
-		}
-		elseif(strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
-			function recursive_copy($source, $destination, $options = '') {
-				$source = normalize_path_to_os($source);
-				$destination = normalize_path_to_os($destination);
-				exec("xcopy /E /Y \"$source\" \"$destination\"");
-			}
-		}
-		else {
-			function recursive_copy($source, $destination, $options = '') {
-				$dir = opendir($source);
-				if (!$dir) {
-					throw new Exception("recursive_copy() source directory '".$source."' does not exist.");
-				}
-				if (!is_dir($destination)) {
-					if (!mkdir($destination,02770,true)) {
-						throw new Exception("recursive_copy() failed to create destination directory '".$destination."'");
-					}
-				}
-				while(false !== ( $file = readdir($dir)) ) {
-					if (( $file != '.' ) && ( $file != '..' )) {
-						if ( is_dir($source . '/' . $file) ) {
-							recursive_copy($source . '/' . $file,$destination . '/' . $file);
-						}
-						else {
-							copy($source . '/' . $file,$destination . '/' . $file);
-						}
-					}
-				}
-				closedir($dir);
-			}
-		}
-	}
-
-	if (!function_exists('recursive_delete')) {
-		if (file_exists('/usr/bin/find')) {
-			function recursive_delete($directory) {
-				if (isset($directory) && strlen($directory) > 8) {
-					exec('/usr/bin/find '.$directory.'/* -name "*" -delete');
-					//exec('rm -Rf '.$directory.'/*');
-					clearstatcache();
-				}
-			}
-		}
-		elseif (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
-			function recursive_delete($directory) {
-				$directory = normalize_path_to_os($directory);
-				//$this->write_debug("del /S /F /Q \"$dir\"");
-				exec("del /S /F /Q \"$directory\"");
-				clearstatcache();
-			}
-		}
-		else {
-			function recursive_delete($directory) {
-				foreach (glob($directory) as $file) {
-					if (is_dir($file)) {
-						//$this->write_debug("rm dir: ".$file);
-						recursive_delete("$file/*");
-						rmdir($file);
-					}
-					else {
-						//$this->write_debug("delete file: ".$file);
-						unlink($file);
-					}
-				}
-				clearstatcache();
-			}
-		}
-	}
-
-	if (!function_exists('if_group')) {
-		function if_group($group) {
-			//set default false
-				$result = false;
-			//search for the permission
-				if (count($_SESSION["groups"]) > 0) {
-					foreach($_SESSION["groups"] as $row) {
-						if ($row['group_name'] == $group) {
-							$result = true;
-							break;
-						}
-					}
-				}
-			//return the result
-				return $result;
-		}
-	}
-
-	if (!function_exists('permission_exists')) {
-		function permission_exists($permission, $operator = 'or') {
-			//set default
-				$result = false;
-			//permissions exist
-				if (is_array($_SESSION["permissions"]) && @sizeof($_SESSION['permissions']) != 0) {
-					//array
-					if (is_array($permission) && @sizeof($permission) != 0) {
-						if ($operator == 'and') {
-							$exists_all = true;
-							foreach ($permission as $perm) {
-								if ($_SESSION["permissions"][$permission] != true) {
-									$exists_all = false;
-									break;
-								}
-							}
-							$result = $exists_all;
-						}
-						else {
-							$exists_one = false;
-							foreach ($permission as $perm) {
-								if (isset($_SESSION["permissions"][$perm]) && $_SESSION["permissions"][$perm] != true) {
-									$exists_one = true;
-									break;
-								}
-							}
-							$result = $exists_one;
-						}
-					}
-					//single
-					else {
-						if (isset($_SESSION["permissions"][$permission]) && $_SESSION["permissions"][$permission] == true) {
-							$result = true;
-						}
-					}
-				}
-			//return the result
-				return $result;
-		}
-	}
-
-	if (!function_exists('if_group_member')) {
-		function if_group_member($group_members, $group) {
-			if (stripos($group_members, "||".$group."||") === false) {
-				return false; //group does not exist
-			}
-			else {
-				return true; //group exists
-			}
-		}
-	}
-
-	if (!function_exists('superadmin_list')) {
-		function superadmin_list() {
-			global $domain_uuid;
-			$sql = "select * from v_user_groups ";
-			$sql .= "where group_name = 'superadmin' ";
-			$database = new database;
-			$result = $database->select($sql, null, 'all');
-			$superadmin_list = "||";
-			if (is_array($result) && @sizeof($result) != 0) {
-				foreach ($result as $field) {
-					//get the list of superadmins
-					$superadmin_list .= $field['user_uuid']."||";
-				}
-			}
-			unset($sql, $result, $field);
-			return $superadmin_list;
-		}
-	}
-
-	if (!function_exists('if_superadmin')) {
-		function if_superadmin($superadmin_list, $user_uuid) {
-			if (stripos($superadmin_list, "||".$user_uuid."||") === false) {
-				return false;
-			}
-			else {
-				return true; //user_uuid exists
-			}
-		}
-	}
-
-	if (!function_exists('html_select_other')) {
-		function html_select_other($table_name, $field_name, $sql_where_optional, $field_current_value, $sql_order_by = null, $label_other = 'Other...') {
-			//html select other: build a select box from distinct items in db with option for other
-			global $domain_uuid;
-			$table_name = preg_replace("#[^a-zA-Z0-9_]#", "", $table_name);
-			$field_name = preg_replace("#[^a-zA-Z0-9_]#", "", $field_name);
-
-			$html = "<table border='0' cellpadding='1' cellspacing='0'>\n";
-			$html .= "<tr>\n";
-			$html .= "<td id=\"cell".escape($field_name)."1\">\n";
-			$html .= "\n";
-			$html .= "<select id=\"".escape($field_name)."\" name=\"".escape($field_name)."\" class='formfld' onchange=\"if (document.getElementById('".$field_name."').value == 'Other') { /*enabled*/ document.getElementById('".$field_name."_other').style.display=''; document.getElementById('".$field_name."_other').className='formfld'; document.getElementById('".$field_name."_other').focus(); } else { /*disabled*/ document.getElementById('".$field_name."_other').value = ''; document.getElementById('".$field_name."_other').style.display='none'; } \">\n";
-			$html .= "<option value=''></option>\n";
-
-			$sql = "select distinct(".$field_name.") as ".$field_name." ";
-			$sql .= "from ".$table_name." ".$sql_where_optional." ";
-			$sql .= "order by ".(!empty($sql_order_by) ? $sql_order_by : $field_name.' asc');
-			$database = new database;
-			$result = $database->select($sql, null, 'all');
-			if (is_array($result) && @sizeof($result) != 0) {
-				foreach($result as $field) {
-					if (!empty($field[$field_name])) {
-						$html .= "<option value=\"".escape($field[$field_name])."\" ".($field_current_value == $field[$field_name] ? "selected='selected'" : null).">".escape($field[$field_name])."</option>\n";
-					}
-				}
-			}
-			unset($sql, $result, $field);
-
-			$html .= "<option value='' disabled='disabled'></option>\n";
-			$html .= "<option value='Other'>".$label_other."</option>\n";
-			$html .= "</select>\n";
-			$html .= "</td>\n";
-			$html .= "<td id=\"cell".$field_name."2\" width='5'>\n";
-			$html .= "<input id=\"".$field_name."_other\" name=\"".$field_name."_other\" value='' type='text' class='formfld' style='display: none;'>\n";
-			$html .= "</td>\n";
-			$html .= "</tr>\n";
-			$html .= "</table>";
-
-			return $html;
-		}
-	}
-
-	if (!function_exists('html_select')) {
-		function html_select($table_name, $field_name, $sql_where_optional, $field_current_value, $field_value = '', $style = '', $on_change = '') {
-			//html select: build a select box from distinct items in db
-			global $domain_uuid;
-
-			$table_name = preg_replace("#[^a-zA-Z0-9_]#", "", $table_name);
-			$field_name = preg_replace("#[^a-zA-Z0-9_]#", "", $field_name);
-			$field_value = preg_replace("#[^a-zA-Z0-9_]#", "", $field_value);
-		
-			if (!empty($field_value)) {
-				$html .= "<select id=\"".$field_value."\" name=\"".$field_value."\" class='formfld' style='".$style."' ".($on_change != '' ? "onchange=\"".$on_change."\"" : null).">\n";
-				$html .= "	<option value=\"\"></option>\n";
-
-				$sql = "select distinct(".$field_name.") as ".$field_name.", ".$field_value." from ".$table_name." ".$sql_where_optional." order by ".$field_name." asc ";
-			}
-			else {
-				$html .= "<select id=\"".$field_name."\" name=\"".$field_name."\" class='formfld' style='".$style."' ".($on_change != '' ? "onchange=\"".$on_change."\"" : null).">\n";
-				$html .= "	<option value=\"\"></option>\n";
-
-				$sql = "select distinct(".$field_name.") as ".$field_name." from ".$table_name." ".$sql_where_optional." ";
-			}
-
-			$database = new database;
-			$result = $database->select($sql, null, 'all');
-			if (is_array($result) && @sizeof($result) != 0) {
-				foreach($result as $field) {
-					if (!empty($field[$field_name])) {
-						$selected = $field_current_value == $field[$field_name] ? "selected='selected'" : null;
-						$array_key = empty($field_value) ? $field_name : $field_value;
-						$html .= "<option value=\"".urlencode($field[$array_key])."\" ".$selected.">".urlencode($field[$field_name])."</option>\n";
-					}
-				}
-			}
-			unset($sql, $result, $field);
-			$html .= "</select>\n";
-
-			return $html;
-		}
-	}
-
-	if (!function_exists('th_order_by')) {
-		//html table header order by
-		function th_order_by($field_name, $column_title, $order_by, $order, $app_uuid = '', $css = '', $http_get_params = '', $description = '') {
-			global $text;
-			if (is_uuid($app_uuid) > 0) { $app_uuid = "&app_uuid=".urlencode($app_uuid); }	// accomodate need to pass app_uuid where necessary (inbound/outbound routes lists)
-
-			$field_name = preg_replace("#[^a-zA-Z0-9_]#", "", $field_name);
-			$field_value = preg_replace("#[^a-zA-Z0-9_]#", "", $field_value ?? '');
-
-			$sanitized_parameters = '';
-			if (isset($http_get_params) && !empty($http_get_params)) {
-				$parameters = explode('&', $http_get_params);
-				if (is_array($parameters)) {
-					foreach ($parameters as $parameter) {
-						if (substr_count($parameter, '=') != 0) {
-							$array = explode('=', $parameter);
-							$key = preg_replace('#[^a-zA-Z0-9_\-]#', '', $array['0']);
-							$value = urldecode($array['1']);
-							if ($key == 'order_by' && !empty($value)) {
-								//validate order by
-								$sanitized_parameters .= "&order_by=". preg_replace('#[^a-zA-Z0-9_\-]#', '', $value);
-							}
-							else if ($key == 'order' && !empty($value)) {
-								//validate order
-								switch ($value) {
-									case 'asc':
-										$sanitized_parameters .= "&order=asc";
-										break;
-									case 'desc':
-										$sanitized_parameters .= "&order=desc";
-										break;
-								}
-							}
-							else if (!empty($value) && is_numeric($value)) {
-								$sanitized_parameters .= "&".$key."=".$value;
-							}
-							else {
-								$sanitized_parameters .= "&".$key."=".urlencode($value);
-							}
-						}
-					}
-				}
-			}
-
-			$html = "<th ".$css." nowrap='nowrap'>";
-			$description = empty($description) ? '' : $description . ', ';
-			if (empty($order_by)) {
-				$order = 'asc';
-			}
-			if ($order_by == $field_name) {
-				if ($order == "asc") {
-					$description .= $text['label-order'].' '.$text['label-descending'];
-					$html .= "<a href='?order_by=".urlencode($field_name)."&order=desc".$app_uuid.$sanitized_parameters."' title=\"".escape($description)."\">".escape($column_title)."</a>";
-				}
-				else {
-					$description .= $text['label-order'].' '.$text['label-ascending'];
-					$html .= "<a href='?order_by=".urlencode($field_name)."&order=asc".$app_uuid.$sanitized_parameters."' title=\"".escape($description)."\">".escape($column_title)."</a>";
-				}
-			}
-			else {
-				$description .= $text['label-order'].' '.$text['label-ascending'];
-				$html .= "<a href='?order_by=".urlencode($field_name)."&order=asc".$app_uuid.$sanitized_parameters."' title=\"".escape($description)."\">".escape($column_title)."</a>";
-			}
-			$html .= "</th>";
-			return $html;
-		}
-	}
-
-	if (!function_exists('get_ext')) {
-		function get_ext($filename) {
-			preg_match('/[^?]*/', $filename, $matches);
-			$string = $matches[0];
-
-			$pattern = preg_split('/\./', $string, -1, PREG_SPLIT_OFFSET_CAPTURE);
-
-			// check if there is any extension
-			if(count($pattern) == 1){
-				//echo 'No File Extension Present';
-				return '';
-			}
-
-			if(count($pattern) > 1) {
-				$filenamepart = $pattern[count($pattern)-1][0];
-				preg_match('/[^?]*/', $filenamepart, $matches);
-				return $matches[0];
-			}
-		}
-		//echo "ext: ".get_ext('test.txt');
-	}
-
-	if (!function_exists('file_upload')) {
-		function file_upload($field = '', $file_type = '', $dest_dir = '') {
-
-			$uploadtempdir = $_ENV["TEMP"]."\\";
-			ini_set('upload_tmp_dir', $uploadtempdir);
-
-			$tmp_name = $_FILES[$field]["tmp_name"];
-			$file_name = $_FILES[$field]["name"];
-			$file_type = $_FILES[$field]["type"];
-			$file_size = $_FILES[$field]["size"];
-			$file_ext = get_ext($file_name);
-			$file_name_orig = $file_name;
-			$file_name_base = substr($file_name, 0, (strlen($file_name) - (strlen($file_ext)+1)));
-			//$dest_dir = '/tmp';
-
-			if ($file_size == 0) {
-				return;
-			}
-
-			if (!is_dir($dest_dir)) {
-				echo "dest_dir not found<br />\n";
-				return;
-			}
-
-			//check if allowed file type
-			if ($file_type == "img") {
-				switch (strtolower($file_ext)) {
-					case "jpg":
-					case "png":
-					case "gif":
-					case "bmp":
-					case "psd":
-					case "tif": break;
-					default: return false;
-				}
-			}
-			if ($file_type == "file") {
-				switch (strtolower($file_ext)) {
-					case "doc":
-					case "pdf":
-					case "ppt":
-					case "xls":
-					case "zip":
-					case "exe": break;
-					default: return false;
-				}
-			}
-
-			//find unique filename: check if file exists if it does then increment the filename
-				$i = 1;
-				while( file_exists($dest_dir.'/'.$file_name)) {
-					if (!empty($file_ext)) {
-						$file_name = $file_name_base . $i .'.'. $file_ext;
-					}
-					else {
-						$file_name = $file_name_orig . $i;
-					}
-					$i++;
-				}
-
-			//echo "file_type: ".$file_type."<br />\n";
-			//echo "tmp_name: ".$tmp_name."<br />\n";
-			//echo "file_name: ".$file_name."<br />\n";
-			//echo "file_ext: ".$file_ext."<br />\n";
-			//echo "file_name_orig: ".$file_name_orig."<br />\n";
-			//echo "file_name_base: ".$file_name_base."<br />\n";
-			//echo "dest_dir: ".$dest_dir."<br />\n";
-
-			//move the file to upload directory
-			//bool move_uploaded_file  ( string $filename, string $destination  )
-
-				if (move_uploaded_file($tmp_name, $dest_dir.'/'.$file_name)) {
-						return $file_name;
-				}
-				else {
-					echo "File upload failed!  Here's some debugging info:\n";
-					return false;
-				}
-				exit;
-
-		}
-	}
-
-	if (!function_exists('sys_get_temp_dir')) {
-		function sys_get_temp_dir() {
-			if ($temp = getenv('TMP')) { return $temp; }
-			if ($temp = getenv('TEMP')) { return $temp; }
-			if ($temp = getenv('TMPDIR')) { return $temp; }
-			$temp = tempnam(__FILE__,'');
-			if (file_exists($temp)) {
-				unlink($temp);
-				return dirname($temp);
-			}
-			return null;
-		}
-	}
-	//echo realpath(sys_get_temp_dir());
-
-	if (!function_exists('normalize_path')) {
-		//don't use DIRECTORY_SEPARATOR as it will change on a per platform basis and we need consistency
-		function normalize_path($path) {
-			return str_replace(array('/','\\'), '/', $path);
-		}
-	}
-
-	if (!function_exists('normalize_path_to_os')) {
-		function normalize_path_to_os($path) {
-			return str_replace(array('/','\\'), DIRECTORY_SEPARATOR, $path);
-		}
-	}
-
-	if (!function_exists('username_exists')) {
-		function username_exists($username) {
-			global $domain_uuid;
-			$sql = "select count(*) from v_users ";
-			$sql .= "where domain_uuid = :domain_uuid ";
-			$sql .= "and username = :username ";
-			$parameters['domain_uuid'] = $domain_uuid;
-			$parameters['username'] = $username;
-			$database = new database;
-			$num_rows = $database->select($sql, $parameters, 'column');
-			return $num_rows > 0 ? true : false;
-		}
-	}
-
-	if (!function_exists('add_extension_user')) {
-		function add_extension_user($extension_uuid, $username) {
-			global $domain_uuid;
-			//get the user_uuid by using the username
-				$sql = "select user_uuid from v_users ";
-				$sql .= "where domain_uuid = :domain_uuid ";
-				$sql .= "and username = :username ";
-				$parameters['domain_uuid'] = $domain_uuid;
-				$parameters['username'] = $username;
-				$database = new database;
-				$user_uuid = $database->select($sql, $parameters, 'column');
-				unset($sql, $parameters);
-
-				if (is_uuid($user_uuid)) {
-					//check if the user_uuid exists in v_extension_users
-						$sql = "select count(*) from v_extension_users ";
-						$sql .= "where domain_uuid = :domain_uuid ";
-						$sql .= "and user_uuid = :user_uuid ";
-						$parameters['domain_uuid'] = $domain_uuid;
-						$parameters['user_uuid'] = $user_uuid;
-						$database = new database;
-						$num_rows = $database->select($sql, $parameters, 'column');
-						unset($sql, $parameters);
-
-					//assign the extension to the user
-						if ($num_rows == 0) {
-							//build insert array
-								$extension_user_uuid = uuid();
-								$array['extension_users'][$x]['extension_user_uuid'] = $extension_user_uuid;
-								$array['extension_users'][$x]['domain_uuid'] = $domain_uuid;
-								$array['extension_users'][$x]['extension_uuid'] = $extension_uuid;
-								$array['extension_users'][$x]['user_uuid'] = $row["user_uuid"];
-							//grant temporary permissions
-								$p = new permissions;
-								$p->add('extension_user_add', 'temp');
-							//execute insert
-								$database = new database;
-								$database->app_name = 'function-add_extension_user';
-								$database->app_uuid = 'e68d9689-2769-e013-28fa-6214bf47fca3';
-								$database->save($array);
-								unset($array);
-							//revoke temporary permissions
-								$p->delete('extension_user_add', 'temp');
-						}
-				}
-		}
-	}
-
-	if (!function_exists('user_add')) {
-		function user_add($username, $password, $user_email = '') {
-			global $domain_uuid;
-			if (empty($username)) { return false; }
-			if (empty($password)) { return false; }
-			if (!username_exists($username)) {
-				//build user insert array
-					$user_uuid = uuid();
-					$salt = generate_password('20', '4');
-					$array['users'][0]['user_uuid'] = $user_uuid;
-					$array['users'][0]['domain_uuid'] = $domain_uuid;
-					$array['users'][0]['username'] = $username;
-					$array['users'][0]['password'] = md5($salt.$password);
-					$array['users'][0]['salt'] = $salt;
-					if (valid_email($user_email)) {
-						$array['users'][0]['user_email'] = $user_email;
-					}
-					$array['users'][0]['add_date'] = 'now()';
-					$array['users'][0]['add_user'] = $_SESSION["username"];
-
-				//build user group insert array
-					$user_group_uuid = uuid();
-					$array['user_groups'][0]['user_group_uuid'] = $user_group_uuid;
-					$array['user_groups'][0]['domain_uuid'] = $domain_uuid;
-					$array['user_groups'][0]['group_name'] = 'user';
-					$array['user_groups'][0]['user_uuid'] = $user_uuid;
-
-				//grant temporary permissions
-					$p = new permissions;
-					$p->add('user_add', 'temp');
-					$p->add('user_group_add', 'temp');
-				//execute insert
-					$database = new database;
-					$database->app_name = 'function-user_add';
-					$database->app_uuid = '15a8d74b-ac7e-4468-add4-3e6ebdcb8e22';
-					$database->save($array);
-					unset($array);
-				//revoke temporary permissions
-					$p->delete('user_add', 'temp');
-					$p->delete('user_group_add', 'temp');
-			}
-		}
-	}
-
-function switch_module_is_running($fp, $mod) {
-	if (!$fp) {
-		//if the handle does not exist create it
-			$fp = event_socket_create($_SESSION['event_socket_ip_address'], $_SESSION['event_socket_port'], $_SESSION['event_socket_password']);
-		//if the handle still does not exist show an error message
-			if (!$fp) {
-				$msg = "<div align='center'>Connection to Event Socket failed.<br /></div>";
-			}
-	}
-	if ($fp) {
-		//send the api command to check if the module exists
-		$switchcmd = "module_exists $mod";
-		$switch_result = event_socket_request($fp, 'api '.$switchcmd);
-		unset($switchcmd);
-		if (trim($switch_result) == "true") {
-			return true;
-		}
-		else {
-			return false;
-		}
-	}
-	else {
-		return false;
-	}
-}
-//switch_module_is_running('mod_spidermonkey');
-
-//format a number (n) replace with a number (r) remove the number
-function format_string($format, $data) {
-	//nothing to do so return
-	if(empty($format))
-		return $data;
-	
-	//preset values
-	$x=0;
-	$tmp = '';
-
-	//count the characters
-	$format_count = substr_count($format, 'x');
-	$format_count = $format_count + substr_count($format, 'R');
-	$format_count = $format_count + substr_count($format, 'r');
-
-	//format the string if it matches
-	if ($format_count == strlen($data)) {
-		for ($i = 0; $i <= strlen($format); $i++) {
-			$tmp_format = strtolower(substr($format, $i, 1));
-			if ($tmp_format == 'x') {
-				$tmp .= substr($data, $x, 1);
-				$x++;
-			}
-			elseif ($tmp_format == 'r') {
-				$x++;
-			}
-			else {
-				$tmp .= $tmp_format;
-			}
-		}
-	}
-	if (empty($tmp)) {
-		return $data;
-	}
-	else {
-		return $tmp;
-	}
-}
-
-//get the format and use it to format the phone number
-	function format_phone($phone_number) {
-		if (is_numeric(trim($phone_number ?? '', ' +'))) {
-			if (isset($_SESSION["format"]["phone"])) {
-				$phone_number = trim($phone_number, ' +');
-				foreach ($_SESSION["format"]["phone"] as &$format) {
-					$format_count = substr_count($format, 'x');
-					$format_count = $format_count + substr_count($format, 'R');
-					$format_count = $format_count + substr_count($format, 'r');
-					if ($format_count == strlen($phone_number)) {
-						//format the number
-						$phone_number = format_string($format, $phone_number);
-					}
-				}
-			}
-		}
-		return $phone_number;
-	}
-
-//format seconds into hh:mm:ss
-	function format_hours($seconds) {
-		$hours = floor($seconds / 3600);
-		$minutes = floor(floor($seconds / 60) % 60);
-		$seconds = $seconds % 60;
-		if (strlen($minutes) == 1) { $minutes = '0'.$minutes; }
-		if (strlen($seconds) == 1) { $seconds = '0'.$seconds; }
-		return "$hours:$minutes:$seconds";
-	}
-
-//browser detection without browscap.ini dependency
-	function http_user_agent($info = '') {
-
-		//set default values
-			$user_agent = $_SERVER['HTTP_USER_AGENT'];
-			$browser_name = 'Unknown';
-			$platform = 'Unknown';
-			$version = '';
-			$mobile = false;
-
-		//get the platform
-			if (preg_match('/linux/i', $user_agent)) {
-				$platform = 'Linux';
-			}
-			elseif (preg_match('/macintosh|mac os x/i', $user_agent)) {
-				$platform = 'Apple';
-			}
-			elseif (preg_match('/windows|win32/i', $user_agent)) {
-				$platform = 'Windows';
-			}
-
-		//set mobile to true or false
-			if (preg_match('/mobile/i', $user_agent)) {
-				$platform = 'Mobile';
-				$mobile = true;
-			}
-			elseif (preg_match('/android/i', $user_agent)) {
-				$platform = 'Android';
-				$mobile = true;
-			}
-
-		//get the name of the useragent
-			if (preg_match('/MSIE/i',$user_agent) || preg_match('/Trident/i',$user_agent)) {
-				$browser_name = 'Internet Explorer';
-				$browser_name_short = 'MSIE';
-			}
-			elseif (preg_match('/Firefox/i',$user_agent)) {
-				$browser_name = 'Mozilla Firefox';
-				$browser_name_short = 'Firefox';
-			}
-			elseif (preg_match('/Chrome/i',$user_agent)) {
-				$browser_name = 'Google Chrome';
-				$browser_name_short = 'Chrome';
-			}
-			elseif (preg_match('/Safari/i',$user_agent)) {
-				$browser_name = 'Apple Safari';
-				$browser_name_short = 'Safari';
-			}
-			elseif (preg_match('/Opera/i',$user_agent)) {
-				$browser_name = 'Opera';
-				$browser_name_short = 'Opera';
-			}
-			elseif (preg_match('/Netscape/i',$user_agent)) {
-				$browser_name = 'Netscape';
-				$browser_name_short = 'Netscape';
-			}
-			else {
-				$browser_name = 'Unknown';
-				$browser_name_short = 'Unknown';
-			}
-
-		//finally get the correct version number
-			$known = array('Version', $browser_name_short, 'other');
-			$pattern = '#(?<browser>' . join('|', $known) . ')[/ ]+(?<version>[0-9.|a-zA-Z.]*)#';
-			if (!preg_match_all($pattern, $user_agent, $matches)) {
-				//we have no matching number just continue
-			}
-
-		//see how many we have
-			$i = count($matches['browser']);
-			if ($i != 1) {
-				//we will have two since we are not using 'other' argument yet
-				//see if version is before or after the name
-				if (strripos($user_agent,"Version") < strripos($user_agent,$browser_name_short)) {
-					$version= $matches['version'][0];
-				}
-				else {
-					$version= $matches['version'][1];
-				}
-			}
-			else {
-				$version= $matches['version'][0];
-			}
-
-		//check if we have a number
-			if ($version == null || $version == "") { $version = "?"; }
-
-		//return the data
-			switch ($info) {
-				case "agent": return $user_agent; break;
-				case "name": return $browser_name; break;
-				case "name_short": return $browser_name_short; break;
-				case "version": return $version; break;
-				case "platform": return $platform; break;
-				case "mobile": return $mobile; break;
-				case "pattern": return $pattern; break;
-				default :
-					return array(
-						'user_agent' => $user_agent,
-						'name' => $browser_name,
-						'name_short' => $browser_name_short,
-						'version' => $version,
-						'platform' => $platform,
-						'mobile' => $mobile,
-						'pattern' => $pattern
-					);
-			}
-	}
-
-//tail php function for non posix systems
-	function tail($file, $num_to_get=10) {
-		$fp = fopen($file, 'r');
-		$position = filesize($file);
-		$chunklen = 4096;
-		if($position-$chunklen<=0) {
-			fseek($fp,0);
-		}
-		else {
-			fseek($fp, $position-$chunklen);
-		}
-		$data="";$ret="";$lc=0;
-		while($chunklen > 0) {
-			$data = fread($fp, $chunklen);
-			$dl=strlen($data);
-			for($i=$dl-1;$i>=0;$i--){
-				if($data[$i]=="\n"){
-					if($lc==0 && $ret!="")$lc++;
-					$lc++;
-					if($lc>$num_to_get)return $ret;
-				}
-				$ret=$data[$i].$ret;
-			}
-			if($position-$chunklen<=0){
-				fseek($fp,0);
-				$chunklen=$chunklen-abs($position-$chunklen);
-			}
-			else {
-				fseek($fp, $position-$chunklen);
-			}
-			$position = $position - $chunklen;
-		}
-		fclose($fp);
-		return $ret;
-	}
-
-//generate a random password with upper, lowercase and symbols
-	function generate_password($length = 0, $strength = 0) {
-		$password = '';
-		$chars = '';
-		if ($length === 0 && $strength === 0) { //set length and strenth if specified in default settings and strength isn't numeric-only
-			$length = (is_numeric($_SESSION["users"]["password_length"]["numeric"])) ? $_SESSION["users"]["password_length"]["numeric"] : 20;
-			$strength = (is_numeric($_SESSION["users"]["password_strength"]["numeric"])) ? $_SESSION["users"]["password_strength"]["numeric"] : 4;
-		}
-		if ($strength >= 1) { $chars .= "0123456789"; }
-		if ($strength >= 2) { $chars .= "abcdefghijkmnopqrstuvwxyz"; }
-		if ($strength >= 3) { $chars .= "ABCDEFGHIJKLMNPQRSTUVWXYZ"; }
-		if ($strength >= 4) { $chars .= "!^$%*?."; }
-		for ($i = 0; $i < $length; $i++) {
-			$password .= $chars[random_int(0, strlen($chars)-1)];
-		}
-		return $password;
-	}
-
-//check password strength against requirements (if any)
-	function check_password_strength($password, $text, $type = 'default') {
-		if ($password != '') {
-			if ($type == 'default') {
-				$req['length'] = $_SESSION['extension']['password_length']['numeric'];
-				$req['number'] = ($_SESSION['extension']['password_number']['boolean'] == 'true') ? true : false;
-				$req['lowercase'] = ($_SESSION['extension']['password_lowercase']['boolean'] == 'true') ? true : false;
-				$req['uppercase'] = ($_SESSION['extension']['password_uppercase']['boolean'] == 'true') ? true : false;
-				$req['special'] = ($_SESSION['extension']['password_special']['boolean'] == 'true') ? true : false;
-			} elseif ($type == 'user') {
-				$req['length'] = $_SESSION['user']['password_length']['numeric'];
-				$req['number'] = ($_SESSION['user']['password_number']['boolean'] == 'true') ? true : false;
-				$req['lowercase'] = ($_SESSION['user']['password_lowercase']['boolean'] == 'true') ? true : false;
-				$req['uppercase'] = ($_SESSION['user']['password_uppercase']['boolean'] == 'true') ? true : false;
-				$req['special'] = ($_SESSION['user']['password_special']['boolean'] == 'true') ? true : false;
-			}
-			if (is_numeric($req['length']) && $req['length'] != 0 && !preg_match_all('$\S*(?=\S{'.$req['length'].',})\S*$', $password)) { // length
-				$msg_errors[] = $req['length'].'+ '.$text['label-characters'];
-			}
-			if ($req['number'] && !preg_match_all('$\S*(?=\S*[\d])\S*$', $password)) { //number
-				$msg_errors[] = '1+ '.$text['label-numbers'];
-			}
-			if ($req['lowercase'] && !preg_match_all('$\S*(?=\S*[a-z])\S*$', $password)) { //lowercase
-				$msg_errors[] = '1+ '.$text['label-lowercase_letters'];
-			}
-			if ($req['uppercase'] && !preg_match_all('$\S*(?=\S*[A-Z])\S*$', $password)) { //uppercase
-				$msg_errors[] = '1+ '.$text['label-uppercase_letters'];
-			}
-			if ($req['special'] && !preg_match_all('$\S*(?=\S*[\W])\S*$', $password)) { //special
-				$msg_errors[] = '1+ '.$text['label-special_characters'];
-			}
-			if (is_array($msg_errors) && sizeof($msg_errors) > 0) {
-				message::add($_SESSION["message"] = $text['message-password_requirements'].': '.implode(', ', $msg_errors), 'negative', 6000);
-				return false;
-			}
-			else {
-				return true;
-			}
-		}
-		return true;
-	}
-
-//based on Wez Furlong do_post_request
-	if (!function_exists('send_http_request')) {
-		function send_http_request($url, $data, $method = "POST", $optional_headers = null) {
-			$params = array('http' => array(
-						'method' => $method,
-						'content' => $data
-						));
-			if ($optional_headers !== null) {
-				$params['http']['header'] = $optional_headers;
-			}
-			$ctx = stream_context_create($params);
-			$fp = @fopen($url, 'rb', false, $ctx);
-			if (!$fp) {
-				throw new Exception("Problem with $url, $php_errormsg");
-			}
-			$response = @stream_get_contents($fp);
-			if ($response === false) {
-				throw new Exception("Problem reading data from $url, $php_errormsg");
-			}
-			return $response;
-		}
-	}
-
-//convert the string to a named array
-	if(!function_exists('csv_to_named_array')) {
-		function csv_to_named_array($tmp_str, $tmp_delimiter) {
-			$tmp_array = explode ("\n", $tmp_str);
-			$result = array();
-			if (trim(strtoupper($tmp_array[0])) !== "+OK") {
-				$tmp_field_name_array = explode ($tmp_delimiter, $tmp_array[0]);
-				$x = 0;
-				foreach ($tmp_array as $row) {
-					if ($x > 0) {
-						$tmp_field_value_array = explode ($tmp_delimiter, $tmp_array[$x]);
-						$y = 0;
-						foreach ($tmp_field_value_array as $tmp_value) {
-							$tmp_name = $tmp_field_name_array[$y];
-							if (trim(strtoupper($tmp_value)) !== "+OK") {
-								$result[$x][$tmp_name] = $tmp_value;
-							}
-							$y++;
-						}
-					}
-					$x++;
-				}
-				unset($row);
-			}
-			return $result;
-		}
-	}
-
-function get_time_zone_offset($remote_tz, $origin_tz = 'UTC') {
-	$origin_dtz = new DateTimeZone($origin_tz);
-	$remote_dtz = new DateTimeZone($remote_tz);
-	$origin_dt = new DateTime("now", $origin_dtz);
-	$remote_dt = new DateTime("now", $remote_dtz);
-	$offset = $remote_dtz->getOffset($remote_dt) - $origin_dtz->getOffset($origin_dt);
-	return $offset;
-}
-
-function number_pad($number,$n) {
-	return str_pad((int) $number,$n,"0",STR_PAD_LEFT);
-}
-
-// validate email address syntax
-	if(!function_exists('valid_email')) {
-		function valid_email($email) {
-			return (filter_var($email, FILTER_VALIDATE_EMAIL)) ? true : false;
-		}
-	}
-
-//function to convert hexidecimal color value to rgb string/array value
-	if (!function_exists('hex_to_rgb')) {
-		function hex_to_rgb($hex, $delim = '') {
-			$hex = str_replace("#", "", $hex);
-
-			if (strlen($hex) == 3) {
-				$r = hexdec(substr($hex,0,1).substr($hex,0,1));
-				$g = hexdec(substr($hex,1,1).substr($hex,1,1));
-				$b = hexdec(substr($hex,2,1).substr($hex,2,1));
-			}
-			else {
-				$r = hexdec(substr($hex,0,2));
-				$g = hexdec(substr($hex,2,2));
-				$b = hexdec(substr($hex,4,2));
-			}
-			$rgb = array($r, $g, $b);
-
-			if ($delim != '') {
-				return implode($delim, $rgb); // return rgb delimited string
-			}
-			else {
-				return $rgb; // return array of rgb values
-			}
-		}
-	}
-
-//function to get a color's luminence level -- dependencies: rgb_to_hsl()
-	if (!function_exists('get_color_luminence')) {
-		function get_color_luminence($color) {
-			//convert hex to rgb
-			if (substr_count($color, ',') == 0) {
-				$color = str_replace(' ', '', $color);
-				$color = str_replace('#', '', $color);
-				if (strlen($color) == 3) {
-					$r = hexdec(substr($color,0,1).substr($color,0,1));
-					$g = hexdec(substr($color,1,1).substr($color,1,1));
-					$b = hexdec(substr($color,2,1).substr($color,2,1));
-				}
-				else {
-					$r = hexdec(substr($color,0,2));
-					$g = hexdec(substr($color,2,2));
-					$b = hexdec(substr($color,4,2));
-				}
-				$color = $r.','.$g.','.$b;
-			}
-
-			//color to array, pop alpha
-			if (substr_count($color, ',') > 0) {
-				$color = str_replace(' ', '', $color);
-				$color = str_replace('rgb', '', $color);
-				$color = str_replace('a(', '', $color);
-				$color = str_replace(')', '', $color);
-				$color = explode(',', $color);
-				$hsl = rgb_to_hsl($color[0], $color[1], $color[2]);
-			}
-
-			//return luminence value
-			return (is_array($hsl) && is_numeric($hsl[2])) ? $hsl[2] : null;
-		}
-	}
-
-//function to lighten or darken a hexidecimal, rgb, or rgba color value by a percentage -- dependencies: rgb_to_hsl(), hsl_to_rgb()
-	if (!function_exists('color_adjust')) {
-		function color_adjust($color, $percent) {
-			/*
-			USAGE
-				20% Lighter
-					color_adjust('#3f4265', 0.2);
-					color_adjust('234,120,6,0.3', 0.2);
-				20% Darker
-					color_adjust('#3f4265', -0.2); //
-					color_adjust('rgba(234,120,6,0.3)', -0.2);
-			RETURNS
-				Same color format provided (hex in = hex out, rgb(a) in = rgb(a) out)
-			*/
-
-			//convert hex to rgb
-			if (substr_count($color, ',') == 0) {
-				$color = str_replace(' ', '', $color);
-				if (substr_count($color, '#') > 0) {
-					$color = str_replace('#', '', $color);
-					$hash = '#';
-				}
-				if (strlen($color) == 3) {
-					$r = hexdec(substr($color,0,1).substr($color,0,1));
-					$g = hexdec(substr($color,1,1).substr($color,1,1));
-					$b = hexdec(substr($color,2,1).substr($color,2,1));
-				}
-				else {
-					$r = hexdec(substr($color,0,2));
-					$g = hexdec(substr($color,2,2));
-					$b = hexdec(substr($color,4,2));
-				}
-				$color = $r.','.$g.','.$b;
-			}
-
-			//color to array, pop alpha
-			if (substr_count($color, ',') > 0) {
-				$color = str_replace(' ', '', $color);
-				$wrapper = false;
-				if (substr_count($color, 'rgb') != 0) {
-					$color = str_replace('rgb', '', $color);
-					$color = str_replace('a(', '', $color);
-					$color = str_replace(')', '', $color);
-					$wrapper = true;
-				}
-				$colors = explode(',', $color);
-				$alpha = (sizeof($colors) == 4) ? array_pop($colors) : null;
-				$color = $colors;
-				unset($colors);
-
-				//adjust color using rgb > hsl > rgb conversion
-				$hsl = rgb_to_hsl($color[0], $color[1], $color[2]);
-				$hsl[2] = $hsl[2] + $percent;
-				$color = hsl_to_rgb($hsl[0], $hsl[1], $hsl[2]);
-
-				//return adjusted color in format received
-				if (isset($hash) && $hash == '#') { //hex
-					$hex = '';
-					for ($i = 0; $i <= 2; $i++) {
-						$hex_color = dechex($color[$i]);
-						if (strlen($hex_color) == 1) { $hex_color = '0'.$hex_color; }
-						$hex .= $hex_color;
-					}
-					return $hash.$hex;
-				}
-				else { //rgb(a)
-					$rgb = implode(',', $color);
-					if ($alpha != '') { $rgb .= ','.$alpha; $a = 'a'; }
-					if ($wrapper) { $rgb = 'rgb'.$a.'('.$rgb.')'; }
-					return $rgb;
-				}
-			}
-
-			return $color;
-		}
-	}
-
-//function to convert an rgb color array to an hsl color array
-	if (!function_exists('rgb_to_hsl')) {
-		function rgb_to_hsl($r, $g, $b) {
-			$r /= 255;
-			$g /= 255;
-			$b /= 255;
-
-			$max = max($r, $g, $b);
-			$min = min($r, $g, $b);
-
-			$h;
-			$s;
-			$l = ($max + $min) / 2;
-			$d = $max - $min;
-
-			if ($d == 0) {
-				$h = $s = 0; // achromatic
-			}
-			else {
-				$s = $d / (1 - abs((2 * $l) - 1));
-				switch($max){
-					case $r:
-						$h = 60 * fmod((($g - $b) / $d), 6);
-						if ($b > $g) { $h += 360; }
-						break;
-					case $g:
-						$h = 60 * (($b - $r) / $d + 2);
-						break;
-					case $b:
-						$h = 60 * (($r - $g) / $d + 4);
-						break;
-				}
-			}
-
-			return array(round($h, 2), round($s, 2), round($l, 2));
-		}
-	}
-
-//function to convert an hsl color array to an rgb color array
-	if (!function_exists('hsl_to_rgb')) {
-		function hsl_to_rgb($h, $s, $l){
-			$r;
-			$g;
-			$b;
-
-			$c = (1 - abs((2 * $l) - 1)) * $s;
-			$x = $c * (1 - abs(fmod(($h / 60), 2) - 1));
-			$m = $l - ($c / 2);
-
-			if ($h < 60) {
-				$r = $c;
-				$g = $x;
-				$b = 0;
-			}
-			else if ($h < 120) {
-				$r = $x;
-				$g = $c;
-				$b = 0;
-			}
-			else if ($h < 180) {
-				$r = 0;
-				$g = $c;
-				$b = $x;
-			}
-			else if ($h < 240) {
-				$r = 0;
-				$g = $x;
-				$b = $c;
-			}
-			else if ($h < 300) {
-				$r = $x;
-				$g = 0;
-				$b = $c;
-			}
-			else {
-				$r = $c;
-				$g = 0;
-				$b = $x;
-			}
-
-			$r = ($r + $m) * 255;
-			$g = ($g + $m) * 255;
-			$b = ($b + $m) * 255;
-
-			if ($r > 255) { $r = 255; }
-			if ($g > 255) { $g = 255; }
-			if ($b > 255) { $b = 255; }
-
-			if ($r < 0) { $r = 0; }
-			if ($g < 0) { $g = 0; }
-			if ($b < 0) { $b = 0; }
-
-			return array(floor($r), floor($g), floor($b));
-		}
-	}
-
-//function to send email
-	if (!function_exists('send_email')) {
-		function send_email($email_recipients, $email_subject, $email_body, &$email_error = '', $email_from_address = '', $email_from_name = '', $email_priority = 3, $email_debug_level = 0, $email_attachments = '', $email_read_confirmation = false) {
-			/*
-			RECIPIENTS NOTE:
-
-				Pass in a single email address...
-
-					[email protected]
-
-				Pass in a comma or semi-colon delimited string of e-mail addresses...
-
-					[email protected],[email protected],[email protected]
-					[email protected];[email protected];[email protected]
-
-				Pass in a simple array of email addresses...
-
-					Array (
-						[0] => [email protected]
-						[1] => [email protected]
-						[2] => [email protected]
-					)
-
-				Pass in a multi-dimentional array of addresses (delivery, address, name)...
-
-					Array (
-						[0] => Array (
-							[delivery] => to
-							[address] => [email protected]
-							[name] => user 1
-							)
-						[1] => Array (
-							[delivery] => cc
-							[address] => [email protected]
-							[name] => user 2
-							)
-						[2] => Array (
-							[delivery] => bcc
-							[address] => [email protected]
-							[name] => user 3
-							)
-					)
-
-			ATTACHMENTS NOTE:
-
-				Pass in as many files as necessary in an array in the following format...
-
-					Array (
-						[0] => Array (
-							[type] => file (or 'path')
-							[name] => filename.ext
-							[value] => /folder/filename.ext
-							)
-						[1] => Array (
-							[type] => string
-							[name] => filename.ext
-							[value] => (string of file contents - if base64, will be decoded automatically)
-							)
-					)
-
-			ERROR RESPONSE:
-
-				Error messages are stored in the variable passed into $email_error BY REFERENCE
-
-			*/
-
-			//add the email recipients
-			$address_found = false;
-			if (!is_array($email_recipients)) { // must be a single or delimited recipient address(s)
-				$email_recipients = str_replace(' ', '', $email_recipients);
-				$email_recipients = str_replace(',', ';', $email_recipients);
-				$email_recipients = explode(';', $email_recipients); // convert to array of addresses
-			}
-
-			foreach ($email_recipients as $email_recipient) {
-				if (is_array($email_recipient)) { // check if each recipient has multiple fields
-					if ($email_recipient["address"] != '' && valid_email($email_recipient["address"])) { // check if valid address
-						$recipients = $email_recipient["address"];
-						$address_found = true;
-					}
-				}
-				else if ($email_recipient != '' && valid_email($email_recipient)) { // check if recipient value is simply (only) an address
-					$email_recipients = $email_recipient;
-					$address_found = true;
-				}
-			}
-			if (is_array($recipients)) {
-				$email_recipients = implode(",", $recipients);
-			}
-			if (!$address_found) {
-				$email_error = "No valid e-mail address provided.";
-				return false;
-			}
-
-			//get the from address and name
-			$email_from_address = ($email_from_address != '') ? $email_from_address : $_SESSION['email']['smtp_from']['text'];
-			$email_from_name = ($email_from_name != '') ? $email_from_name : $_SESSION['email']['smtp_from_name']['text'];
-
-			//send email
-			$email = new email;
-			$email->recipients = $email_recipients;
-			$email->subject = $email_subject;
-			$email->body = $email_body;
-			$email->from_address = $email_from_address;
-			$email->from_name = $email_from_name;
-			$email->attachments = $email_attachments;
-			$email->debug_level = 3;
-			$sent = $email->send();
-			//$email_error = $email->email_error;
-
-		}
-	}
-
-//encrypt a string
-	if (!function_exists('encrypt')) {
-		function encrypt($key, $data) {
-			$encryption_key = base64_decode($key);
-			$iv = openssl_random_pseudo_bytes(openssl_cipher_iv_length('aes-256-cbc'));
-			$encrypted = openssl_encrypt($data, 'aes-256-cbc', $encryption_key, 0, $iv);
-			return base64_encode($encrypted.'::'.$iv);
-		}
-	}
-
-//decrypt a string
-	if (!function_exists('decrypt')) {
-		function decrypt($key, $data) {
-			$encryption_key = base64_decode($key);
-			list($encrypted_data, $iv) = explode('::', base64_decode($data), 2);
-			return openssl_decrypt($encrypted_data, 'aes-256-cbc', $encryption_key, 0, $iv);
-		}
-	}
-
-//json detection
-	if (!function_exists('is_json')) {
-		function is_json($str) {
-			return (is_string($str) && is_object(json_decode($str))) ? true : false;
-		}
-	}
-
-//mac detection
-	if (!function_exists('is_mac')) {
-		function is_mac($str) {
-			return (preg_match('/([a-fA-F0-9]{2}[:|\-]?){6}/', $str) == 1) ? true : false;
-		}
-	}
-
-//detect if php is running as command line interface
-	if (!function_exists('is_cli')) {
-		function is_cli() {
-			if (defined('STDIN')) {
-				return true;
-			}
-			if (php_sapi_name() == 'cli' && !isset($_SERVER['HTTP_USER_AGENT']) && is_numeric($_SERVER['argc'])) {
-				return true;
-			}
-			return false;
-		}
-	}
-
-//format mac address
-	if (!function_exists('format_mac')) {
-		function format_mac($str, $delim = '-', $case = 'lower') {
-			if (is_mac($str)) {
-				$str = join($delim, str_split($str, 2));
-				$str = ($case == 'upper') ? strtoupper($str) : strtolower($str);
-			}
-			return $str;
-		}
-	}
-
-//transparent gif
-	if (!function_exists('img_spacer')) {
-		function img_spacer($width = '1px', $height = '1px', $custom = null) {
-			return "<img src='data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7' style='width: ".$width."; height: ".$height."; ".$custom."'>";
-		}
-	}
-
-//lower case
-	function lower_case($string) {
-		if (function_exists('mb_strtolower')) {
-			return mb_strtolower($string, 'UTF-8');
-		}
-		else {
-			return strtolower($string);
-		}
-	}
-
-//upper case
-	function upper_case($string) {
-		if (function_exists('mb_strtoupper')) {
-			return mb_strtoupper($string, 'UTF-8');
-		}
-		else {
-			return strtoupper($string);
-		}
-	}
-
-//write javascript function that detects select key combinations to perform designated actions
-	if (!function_exists('key_press')) {
-		function key_press($key, $direction = 'up', $subject = 'document', $exceptions = array(), $prompt = null, $action = null, $script_wrapper = true) {
-			//determine key code
-				switch (strtolower($key)) {
-					case 'escape':
-						$key_code = '(e.which == 27)';
-						break;
-					case 'delete':
-						$key_code = '(e.which == 46)';
-						break;
-					case 'enter':
-						$key_code = '(e.which == 13)';
-						break;
-					case 'backspace':
-						$key_code = '(e.which == 8)';
-						break;
-					case 'space':
-						$key_code = '(e.which == 32)';
-						break;
-					case 'ctrl+s':
-						$key_code = '(((e.which == 115 || e.which == 83) && (e.ctrlKey || e.metaKey)) || (e.which == 19))';
-						break;
-					case 'ctrl+q':
-						$key_code = '(((e.which == 113 || e.which == 81) && (e.ctrlKey || e.metaKey)) || (e.which == 19))';
-						break;
-					case 'ctrl+a':
-						$key_code = '(((e.which == 97 || e.which == 65) && (e.ctrlKey || e.metaKey)) || (e.which == 19))';
-						break;
-					case 'ctrl+c':
-						$key_code = '(((e.which == 99 || e.which == 67) && (e.ctrlKey || e.metaKey)) || (e.which == 19))';
-						break;
-					case 'ctrl+enter':
-						$key_code = '(((e.which == 13 || e.which == 10) && (e.ctrlKey || e.metaKey)) || (e.which == 19))';
-						break;
-					default:
-						return;
-				}
-			//filter direction
-				switch ($direction) {
-					case 'down': $direction = 'keydown'; break;
-					case 'press': $direction = 'keypress'; break;
-					case 'up': $direction = 'keyup'; break;
-				}
-			//check for element exceptions
-				if (is_array($exceptions)) {
-					if (sizeof($exceptions) > 0) {
-						$exceptions = "!$(e.target).is('".implode(',', $exceptions)."') && ";
-					}
-				}
-			//quote if selector is id or class
-				$subject = ($subject != 'window' && $subject != 'document') ? "'".$subject."'" : $subject;
-			//output script
-				echo "\n\n\n";
-				if ($script_wrapper) {
-					echo "<script language='JavaScript' type='text/javascript'>\n";
-				}
-				echo "	$(".$subject.").on('".$direction."', function(e) {\n";
-				echo "		if (".$exceptions.$key_code.") {\n";
-				if ($prompt != '') {
-					$action = ($action != '') ? $action : "alert('".$key."');";
-					echo "			if (confirm('".$prompt."')) {\n";
-					echo "				e.preventDefault();\n";
-					echo "				".$action."\n";
-					echo "			}\n";
-				}
-				else {
-					echo "			e.preventDefault();\n";
-					echo "			".$action."\n";
-				}
-				echo "		}\n";
-				echo "	});\n";
-				if ($script_wrapper) {
-					echo "</script>\n";
-				}
-				echo "\n\n\n";
-		}
-	}
-
-//format border radius values
-	if (!function_exists('format_border_radius')) {
-		function format_border_radius($radius_value, $default = 5) {
-			$radius_value = ($radius_value != '') ? $radius_value : $default;
-			$br_a = explode(' ', $radius_value);
-			foreach ($br_a as $index => $br) {
-				if (substr_count($br, '%') > 0) {
-					$br_b[$index]['number'] = str_replace('%', '', $br);
-					$br_b[$index]['unit'] = '%';
-				}
-				else {
-					$br_b[$index]['number'] = str_replace('px', '', strtolower($br));
-					$br_b[$index]['unit'] = 'px';
-				}
-			}
-			unset($br_a, $br);
-			if (sizeof($br_b) == 4) {
-				$br['tl']['n'] = $br_b[0]['number'];
-				$br['tr']['n'] = $br_b[1]['number'];
-				$br['br']['n'] = $br_b[2]['number'];
-				$br['bl']['n'] = $br_b[3]['number'];
-				$br['tl']['u'] = $br_b[0]['unit'];
-				$br['tr']['u'] = $br_b[1]['unit'];
-				$br['br']['u'] = $br_b[2]['unit'];
-				$br['bl']['u'] = $br_b[3]['unit'];
-			}
-			else if (sizeof($br_b) == 2) {
-				$br['tl']['n'] = $br_b[0]['number'];
-				$br['tr']['n'] = $br_b[0]['number'];
-				$br['br']['n'] = $br_b[1]['number'];
-				$br['bl']['n'] = $br_b[1]['number'];
-				$br['tl']['u'] = $br_b[0]['unit'];
-				$br['tr']['u'] = $br_b[0]['unit'];
-				$br['br']['u'] = $br_b[1]['unit'];
-				$br['bl']['u'] = $br_b[1]['unit'];
-			}
-			else {
-				$br['tl']['n'] = $br_b[0]['number'];
-				$br['tr']['n'] = $br_b[0]['number'];
-				$br['br']['n'] = $br_b[0]['number'];
-				$br['bl']['n'] = $br_b[0]['number'];
-				$br['tl']['u'] = $br_b[0]['unit'];
-				$br['tr']['u'] = $br_b[0]['unit'];
-				$br['br']['u'] = $br_b[0]['unit'];
-				$br['bl']['u'] = $br_b[0]['unit'];
-			}
-			unset($br_b);
-
-			return $br; //array
-		}
-	}
-
-//converts a string to a regular expression
-	if (!function_exists('string_to_regex')) {
-		function string_to_regex($string, $prefix='') {
-			$original_string = $string;
-			//escape the plus
-				if (substr($string, 0, 1) == "+") {
-					$string = "^\\+(".substr($string, 1).")$";
-				}
-			//add prefix
-				if (!empty($prefix)) {
-					if (!empty($prefix) && strlen($prefix) < 4) {
-						$plus = (substr($string, 0, 1) == "+") ? '' : '\+?';
-						$prefix = $plus.$prefix.'?';
-					}
-					else {
-						$prefix = '(?:'.$prefix.')?';
-					}
-				}
-			//convert N,X,Z syntax to regex
-				if (preg_match('/^[NnXxZz]+$/', $original_string)) {
-					$string = str_ireplace("N", "[2-9]", $string);
-					$string = str_ireplace("X", "[0-9]", $string);
-					$string = str_ireplace("Z", "[1-9]", $string);
-				}
-			//add ^ to the start of the string if missing
-				if (substr($string, 0, 1) != "^") {
-					$string = "^".$string;
-				}
-			//add $ to the end of the string if missing
-				if (substr($string, -1) != "$") {
-					$string = $string."$";
-				}
-			//add the round brackets
-				if (!strstr($string, '(')) {
-					if (strstr($string, '^')) {
-						$string = str_replace("^", "^".$prefix."(", $string);
-					}
-					else {
-						$string = '^('.$string;
-					}
-					if (strstr($string, '$')) {
-						$string = str_replace("$", ")$", $string);
-					}
-					else {
-						$string = $string.')$';
-					}
-				}
-			//return the result
-				return $string;
-		}
-		//$string = "+12089068227"; echo $string." ".string_to_regex($string)."\n";
-		//$string = "12089068227"; echo $string." ".string_to_regex($string)."\n";
-		//$string = "2089068227"; echo $string." ".string_to_regex($string)."\n";
-		//$string = "^(20890682[0-9][0-9])$"; echo $string." ".string_to_regex($string)."\n";
-		//$string = "1208906xxxx"; echo $string." ".string_to_regex($string)."\n";
-		//$string = "nxxnxxxxxxx"; echo $string." ".string_to_regex($string)."\n";
-		//$string = "208906xxxx"; echo $string." ".string_to_regex($string)."\n";
-		//$string = "^(2089068227"; echo $string." ".string_to_regex($string)."\n";
-		//$string = "^2089068227)"; echo $string." ".string_to_regex($string)."\n";
-		//$string = "2089068227$"; echo $string." ".string_to_regex($string)."\n";
-		//$string = "2089068227)$"; echo $string." ".string_to_regex($string)."\n";
-	}
-
-//dynamically load available web fonts
-	if (!function_exists('get_available_fonts')) {
-		function get_available_fonts($sort = 'alpha') {
-			if ($_SESSION['theme']['font_source_key']['text'] != '') {
-				if (!is_array($_SESSION['fonts_available']) || sizeof($_SESSION['fonts_available']) == 0) {
-					/*
-					sort options:
-						alpha 		- alphabetically
-						date 		- by date added (most recent font added or updated first)
-						popularity 	- by popularity (most popular family first)
-						style 		- by number of styles available (family with most styles first)
-						trending 	- by families seeing growth in usage (family seeing the most growth first)
-					*/
-					$google_api_url = 'https://www.googleapis.com/webfonts/v1/webfonts?key='.$_SESSION['theme']['font_source_key']['text'].'&sort='.$sort;
-					$response = file_get_contents($google_api_url);
-					if ($response != '') {
-						$data = json_decode($response, true);
-						$items = $data['items'];
-						foreach ($items as $item) {
-							$fonts[] = $item['family'];
-						}
-						//echo "<pre>".print_r($font_list, true)."</pre>";
-					}
-					$_SESSION['fonts_available'] = $fonts;
-					unset($fonts);
-				}
-				return (is_array($_SESSION['fonts_available']) && sizeof($_SESSION['fonts_available']) > 0) ? $_SESSION['fonts_available'] : array();
-			}
-			else {
-				return false;
-			}
-		}
-	}
-
-//dynamically import web fonts (by reading static css file)
-	if (!function_exists('import_fonts')) {
-		function import_fonts($file_to_parse, $line_styles_begin = null) {
-			/*
-			This function reads the contents of $file_to_parse, beginning at $line_styles_begin (if set),
-			and attempts to parse the specified google fonts used.  The assumption is that each curly brace
-			will be on its own line, each CSS style (attribute: value;) will be on its own line, a single
-			Google Fonts name will be used per selector, and that it will be surrounded by SINGLE quotes,
-			as shown in the example below:
-
-				.class_name {
-					font-family: 'Google Font';
-					font-weight: 300;
-					font-style: italic;
-					}
-
-			If the CSS styles are formatted as described, the necessary @import string should be generated
-			correctly.
-			*/
-
-			$file = file_get_contents($_SERVER["DOCUMENT_ROOT"].$file_to_parse);
-			$lines = explode("\n", $file);
-
-			$style_counter = 0;
-			foreach ($lines as $line_number => $line) {
-				if ($line_styles_begin != '' && $line_number < $line_styles_begin - 1) { continue; }
-				if (substr_count($line, "{") > 0) {
-					$style_lines[$style_counter]['begins'] = $line_number;
-				}
-				if (substr_count($line, "}") > 0) {
-					$style_lines[$style_counter]['ends'] = $line_number;
-					$style_counter++;
-				}
-			}
-			//echo "\n\n".print_r($style_lines, true)."\n\n";
-
-			if (is_array($style_lines) && sizeof($style_lines) > 0) {
-
-				foreach ($style_lines as $index => $style_line) {
-					for ($l = $style_line['begins']+1; $l < $style_line['ends']; $l++) {
-						$tmp[] = $lines[$l];
-					}
-					$style_groups[] = $tmp;
-					unset($tmp);
-				}
-				//echo "\n\n".print_r($style_groups, true)."\n\n";
-
-				if (is_array($style_groups) && sizeof($style_groups) > 0) {
-
-					foreach ($style_groups as $style_group_index => $style_group) {
-						foreach ($style_group as $style_index => $style) {
-							$tmp = explode(':', $style);
-							$attribute = trim($tmp[0]);
-							$value = trim(trim($tmp[1]),';');
-							$style_array[$attribute] = $value;
-						}
-						$style_groups[$style_group_index] = $style_array;
-						unset($style_array);
-					}
-					//echo "\n\n".print_r($style_groups, true)."\n\n";
-
-					foreach ($style_groups as $style_group_index => $style_group) {
-						$style_value = $style_group['font-family'];
-						if (substr_count($style_value, "'") > 0) {
-							//determine font
-								$font_begin = strpos($style_value, "'")+1;
-								$font_end = strpos($style_value, "'", $font_begin);
-								$font_name = substr($style_value, $font_begin, $font_end - $font_begin);
-							//determine modifiers
-								$weight = (is_numeric($style_group['font-weight']) || strtolower($style_group['font-weight']) == 'bold') ? strtolower($style_group['font-weight']) : null;
-								$italic = (strtolower($style_group['font-style']) == 'italic') ? 'italic' : null;
-							//add font to array
-								$fonts[$font_name][] = $weight.$italic;
-						}
-					}
-					//echo "\n\n/*".print_r($fonts, true)."*/\n\n";
-
-					if (is_array($fonts)) {
-						foreach ($fonts as $font_name => $modifiers) {
-							$modifiers = array_unique($modifiers);
-							$import_font_string = str_replace(' ', '+', $font_name);
-							if (is_array($modifiers) && sizeof($modifiers) > 0) {
-								$import_font_string .= ':'.implode(',', $modifiers);
-							}
-							$import_fonts[] = $import_font_string;
-						}
-						//echo "\n\n/*".print_r($import_fonts, true)."*/\n\n";
-						$import_string = "@import url(//fonts.googleapis.com/css?family=".implode('|', $import_fonts).");";
-						echo $import_string."\n";
-					}
-
-				}
-
-			}
-
-		}
-	}
-
-//retrieve array of countries
-	if (!function_exists('get_countries')) {
-		function get_countries() {
-			$sql = "select * from v_countries order by country asc";
-			$database = new database;
-			$result = $database->select($sql, null, 'all');
-			unset($sql);
-
-			return is_array($result) && @sizeof($result) != 0 ? $result : false;
-		}
-	}
-
-//make directory with event socket
-	function event_socket_mkdir($dir) {
-		//connect to fs
-			$fp = event_socket_create($_SESSION['event_socket_ip_address'], $_SESSION['event_socket_port'], $_SESSION['event_socket_password']);
-			if (!$fp) {
-				return false;
-			}
-		//send the mkdir command to freeswitch
-			if ($fp) {
-				//build and send the mkdir command to freeswitch
-					$switch_cmd = "lua mkdir.lua ".escapeshellarg($dir);
-					$switch_result = event_socket_request($fp, 'api '.$switch_cmd);
-					fclose($fp);
-				//check result
-					if (trim($switch_result) == "-ERR no reply") {
-						return true;
-					}
-			}
-		//can not create directory
-			return false;
-	}
-
-//escape user data
-	function escape($string) {
-		if (is_string($string)) {
-			return htmlentities($string, ENT_QUOTES | ENT_HTML5, 'UTF-8');
-		}
-		elseif (is_numeric($string)) {
-			return $string;
-		}
-		else {
-			$string = (array) $string;
-			if (isset($string[0])) {
-				return htmlentities($string[0], ENT_QUOTES | ENT_HTML5, 'UTF-8');
-			}
-		}
-		return false;
-	}
-
-//output pre-formatted array keys and values
-	if (!function_exists('view_array')) {
-		function view_array($array, $exit = true, $return = false) {
-			$html = "<br><pre style='text-align: left;'>".print_r($array, true).'</pre><br>';
-			if ($return) {
-				return $html;
-			}
-			else {
-				echo $html;
-			}
-			$exit and exit();
-		}
-	}
-
-//format db date and/or time to local date and/or time
-	if (!function_exists('format_when_local')) {
-		function format_when_local($when, $format = 'dt', $include_seconds = false) {
-			if ($when != '') {
-				// determine when format
-				if (substr_count($when, ' ') > 0) { // date and time
-					$tmp = explode(' ', $when);
-					$date = $tmp[0];
-					$time = $tmp[1];
-				}
-				else if (substr_count($when, '-') > 0) { // date only
-					$date = $when;
-				}
-				else if (substr_count($when, ':') > 0) { // time only
-					$time = $when;
-				}
-				unset($when, $tmp);
-
-				// format date
-				if ($date != '') {
-					$tmp = explode('-', $date);
-					$date = $tmp[1].'-'.$tmp[2].'-'.$tmp[0];
-				}
-
-				// format time
-				if ($time != '') {
-					$tmp = explode(':', $time);
-					if ($tmp[0] >= 0 && $tmp[0] <= 11) {
-						$meridiem = 'AM';
-						$hour = ($tmp[0] == 0) ? 12 : $tmp[0];
-					}
-					else {
-						$meridiem = 'PM';
-						$hour = ($tmp[0] > 12) ? ($tmp[0] - 12) : $tmp[0];
-					}
-					$minute = $tmp[1];
-					$second = $tmp[2];
-				}
-
-				// structure requested time format
-				$time = $hour.':'.$minute;
-				if ($include_seconds) { $time .= ':'.$second; }
-				$time .= ' '.$meridiem;
-
-				$return['d'] = $date;
-				$return['t'] = $time;
-				$return['dt'] = $date.' '.$time;
-
-				return $return[$format];
-			}
-			else {
-				return false;
-			}
-		}
-	}
-
-//define email button (src: https://buttons.cm)
-	if (!function_exists('email_button')) {
-		function email_button($text = 'Click Here!', $link = URL, $bg_color = '#dddddd', $fg_color = '#000000', $radius = '') {
-
-			// default button radius
-			$radius = $radius != '' ? $radius : '3px';
-
-			// retrieve single/first numeric radius value for ms arc
-			$tmp = $radius;
-			if (substr_count($radius, ' ') > 0) {
-				$tmp = explode(' ', $radius);
-				$tmp = $tmp[0];
-			}
-			$tmp = preg_replace("/[^0-9,.]/", '', $tmp); // remove non-numeric characters
-			$arc = floor($tmp / 35 * 100); // calculate percentage
-
-			// create button code
-			$btn = "
-				<div>
-					<!--[if mso]>
-					  <v:roundrect xmlns:v='urn:schemas-microsoft-com:vml' xmlns:w='urn:schemas-microsoft-com:office:word' href='".$link."' style='height: 35px; v-text-anchor: middle; width: 140px;' arcsize='".$arc."%' stroke='f' fillcolor='".$bg_color."'>
-							<w:anchorlock/>
-							<center>
-					<![endif]-->
-					<a href='".$link."' style='background-color: ".$bg_color."; border-radius: ".$radius."; color: ".$fg_color."; display: inline-block; font-family: sans-serif; font-size: 13px; font-weight: bold; line-height: 35px; text-align: center; text-decoration: none; width: 140px; -webkit-text-size-adjust: none;'>".$text."</a>
-					<!--[if mso]>
-							</center>
-						</v:roundrect>
-					<![endif]-->
-				</div>
-				";
-
-			return $btn;
-		}
-	}
-
-//validate and format order by clause of select statement
-	if (!function_exists('order_by')) {
-		function order_by($col, $dir, $col_default = '', $dir_default = 'asc') {
-			$order_by = ' order by ';
-			$col = preg_replace('#[^a-zA-Z0-9-_.]#', '', $col ?? '');
-			if(!empty($dir))
-				$dir = strtolower($dir) == 'desc' ? 'desc' : 'asc';
-			if ($col != '') {
-				return $order_by.$col.' '.$dir.' ';
-			}
-			else if (is_array($col_default) || $col_default != '') {
-				if (is_array($col_default) && @sizeof($col_default) != 0) {
-					foreach ($col_default as $k => $column) {
-						$direction = (is_array($dir_default) && @sizeof($dir_default) != 0 && (strtolower($dir_default[$k]) == 'asc' || strtolower($dir_default[$k]) == 'desc')) ? $dir_default[$k] : 'asc';
-						$order_bys[] = $column.' '.$direction.' ';
-					}
-					if (is_array($order_bys) && @sizeof($order_bys) != 0) {
-						return $order_by.implode(', ', $order_bys);
-					}
-				}
-				else {
-					return $order_by.$col_default.' '.$dir_default.' ';
-				}
-			}
-		}
-	}
-
-//validate and format limit and offset clause of select statement
-	if (!function_exists('limit_offset')) {
-		function limit_offset($limit = null, $offset = 0) {
-			$regex = '#[^0-9]#';
-			if (!empty($limit)) {
-				$limit = preg_replace($regex, '', $limit);
-				$offset = preg_replace($regex, '', $offset ?? '');
-				if (is_numeric($limit) && $limit > 0) {
-					$clause = ' limit '.$limit;
-					$offset = is_numeric($offset) ? $offset : 0;
-					$clause .= ' offset '.$offset;
-				}
-				return $clause.' ';
-			}
-			else {
-				return '';
-			}
-		}
-	}
-
-//add a random_bytes function when it doesn't exist for old versions of PHP
-	if (!function_exists('random_bytes')) {
-		function random_bytes($length) {
-			$chars .= "0123456789";
-			$chars .= "abcdefghijkmnopqrstuvwxyz";
-			$chars .= "ABCDEFGHIJKLMNPQRSTUVWXYZ";
-			for ($i = 0; $i < $length; $i++) {
-				$string .= $chars[random_int(0, strlen($chars)-1)];
-			}
-			return $string.' ';
-		}
-	}
-
-//add a hash_equals function when it doesn't exist for old versions of PHP
-	if (!function_exists('hash_equals')) {
-		function hash_equals($var1, $var2) {
-			if ($var1 == $var2) {
-				return true;
-			}
-			else {
-				return false;
-			}
-		}
-	}
-
-//convert bytes to readable human format
-	if (!function_exists('byte_convert')) {
-		function byte_convert($bytes, $precision = 2) {
-			static $units = array('B','KB','MB','GB','TB','PB','EB','ZB','YB');
-			$step = 1024;
-			$i = 0;
-			while (($bytes / $step) > 0.9) {
-				$bytes = $bytes / $step;
-				$i++;
-			}
-			return round($bytes, $precision).' '.$units[$i];
-		}
-	}
-
-//convert bytes to readable human format
-	if (!function_exists('random_int')) {
-		function random_int($min, $max) {
-			return rand ($min, $max);
-		}
-	}
-
-//manage submitted form values in a session array
-	if (!function_exists('persistent_form_values')) {
-		function persistent_form_values($action, $array = null) {
-			switch ($action) {
-				case 'store':
-					// $array is expected to be an array of key / value pairs to store in the session
-					if (is_array($array) && @sizeof($array) != 0) {
-						$_SESSION['persistent'][$_SERVER['PHP_SELF']] = $array;
-					}
-					break;
-				case 'exists':
-					return !empty($_SESSION['persistent']) && is_array($_SESSION['persistent'][$_SERVER['PHP_SELF']]) && @sizeof($_SESSION['persistent'][$_SERVER['PHP_SELF']]) != 0 ? true : false;
-					break;
-				case 'load':
-					// $array is expected to be the name of the array to create containing the key / value pairs
-					if ($array && !is_array($array)) {
-						global $$array;
-					}
-					if (!empty($_SESSION['persistent']) && is_array($_SESSION['persistent'][$_SERVER['PHP_SELF']]) && @sizeof($_SESSION['persistent'][$_SERVER['PHP_SELF']]) != 0) {
-						foreach ($_SESSION['persistent'][$_SERVER['PHP_SELF']] as $key => $value) {
-							if ($key != 'XID' && $key != 'ACT' && $key != 'RET') {
-								if ($array && !is_array($array)) {
-									$$array[$key] = $value;
-								}
-								else {
-									global $$key;
-									$$key = $value;
-								}
-							}
-						}
-						global $unsaved;
-						$unsaved = true;
-					}
-					break;
-				case 'view':
-					if (is_array($_SESSION['persistent'][$_SERVER['PHP_SELF']]) && @sizeof($_SESSION['persistent'][$_SERVER['PHP_SELF']]) != 0) {
-						view_array($_SESSION['persistent'][$_SERVER['PHP_SELF']], false);
-					}
-					break;
-				case 'clear':
-					unset($_SESSION['persistent'][$_SERVER['PHP_SELF']]);
-					break;
-			}
-		}
-	}
-
-//add alternative array_key_first for older verisons of PHP
-	if (!function_exists('array_key_first')) {
-	    function array_key_first(array $arr) {
-		foreach($arr as $key => $unused) {
-		    return $key;
-		}
-		return NULL;
-	    }
-	}
-
-//get accountcode
-	if (!function_exists('get_accountcode')) {
-		function get_accountcode() {
-			if (!empty($accountcode = $_SESSION['domain']['accountcode']['text'] ?? '')) {
-				if ($accountcode == "none") {
-					return;
-				}
-			}
-			else {
-				$accountcode = $_SESSION['domain_name'];
-			}
-			return $accountcode;
-		}
-	}
-
-// User exists
-	if (!function_exists('user_exists')) {
-		function user_exists($login, $domain_name = null) {
-			//connect to freeswitch
-			$fp = event_socket_create($_SESSION['event_socket_ip_address'], $_SESSION['event_socket_port'], $_SESSION['event_socket_password']);
-			if (!$fp) {
-				return false;
-			}
-
-			//send the user_exists command to freeswitch
-			if ($fp) {
-				if (is_null($domain_name)) {
-					$domain_name = $_SESSION['domain_name'];
-				}
-				$switch_cmd = "user_exists id '$login' '$domain_name'";
-				$switch_result = event_socket_request($fp, 'api '.$switch_cmd);
-				fclose($fp);
-				return ($switch_result == 'true' ? true: false);
-			}
-
-			//can not create directory
-			return null;
-		}
-	}
-
-?>
+<?php
+/*
+	FusionPBX
+	Version: MPL 1.1
+
+	The contents of this file are subject to the Mozilla Public License Version
+	1.1 (the "License"); you may not use this file except in compliance with
+	the License. You may obtain a copy of the License at
+	http://www.mozilla.org/MPL/
+
+	Software distributed under the License is distributed on an "AS IS" basis,
+	WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+	for the specific language governing rights and limitations under the
+	License.
+
+	The Original Code is FusionPBX
+
+	The Initial Developer of the Original Code is
+	Mark J Crane <[email protected]>
+	Portions created by the Initial Developer are Copyright (C) 2008-2022
+	the Initial Developer. All Rights Reserved.
+
+	Contributor(s):
+	Mark J Crane <[email protected]>
+	Luis Daniel Lucio Quiroz <[email protected]>
+*/
+
+	if (!function_exists('mb_strtoupper')) {
+		function mb_strtoupper($string) {
+			return strtoupper($string);
+		}
+	}
+
+	if (!function_exists('check_float')) {
+		function check_float($string) {
+			$string = str_replace(",",".",$string ?? '');
+			return trim($string);
+		}
+	}
+
+	if (!function_exists('check_str')) {
+		function check_str($string, $trim = true) {
+			global $db_type, $db;
+			//when code in db is urlencoded the ' does not need to be modified
+			if ($db_type == "sqlite") {
+				if (function_exists('sqlite_escape_string')) {
+					$string = sqlite_escape_string($string);
+				}
+				else {
+					$string = str_replace("'","''",$string);
+				}
+			}
+			if ($db_type == "pgsql") {
+				$string = str_replace("'","''",$string);
+			}
+			if ($db_type == "mysql") {
+				if(function_exists('mysql_real_escape_string')){
+					$tmp_str = mysql_real_escape_string($string);
+				}
+				else {
+					$tmp_str = mysqli_real_escape_string($db, $string);
+				}
+				if (!empty($tmp_str)) {
+					$string = $tmp_str;
+				}
+				else {
+					$search = array("\x00", "\n", "\r", "\\", "'", "\"", "\x1a");
+					$replace = array("\\x00", "\\n", "\\r", "\\\\" ,"\'", "\\\"", "\\\x1a");
+					$string = str_replace($search, $replace, $string);
+				}
+			}
+			$string = ($trim) ? trim($string) : $string;
+			return $string;
+		}
+	}
+
+	if (!function_exists('check_sql')) {
+		function check_sql($string) {
+			return trim($string); //remove white space
+		}
+	}
+
+	if (!function_exists('check_cidr')) {
+		function check_cidr($cidr, $ip_address) {
+			if (isset($cidr) && !empty($cidr)) {
+				list ($subnet, $mask) = explode ('/', $cidr);
+				return ( ip2long ($ip_address) & ~((1 << (32 - $mask)) - 1) ) == ip2long ($subnet);
+			}
+			else {
+				return false;
+			}
+		}
+	}
+
+	if (!function_exists('fix_postback')) {
+		function fix_postback($post_array) {
+			foreach ($post_array as $index => $value) {
+				if (is_array($value)) { fix_postback($value); }
+				else {
+					$value = str_replace('"', "&#34;", $value);
+					$value = str_replace("'", "&#39;", $value);
+					$post_array[$index] = $value;
+				}
+			}
+			return $post_array;
+		}
+	}
+
+	if (!function_exists('uuid')) {
+		function uuid() {
+			$uuid = null;
+			if (PHP_OS === 'FreeBSD') {
+				$uuid = trim(shell_exec("uuid -v 4"));
+				if (is_uuid($uuid)) {
+					return $uuid;
+				}
+				else {
+					echo "Please install the following package.\n";
+					echo "pkg install ossp-uuid\n";
+					exit;
+				}
+			}
+			if (PHP_OS === 'Linux') {
+				$uuid = trim(file_get_contents('/proc/sys/kernel/random/uuid'));
+				if (is_uuid($uuid)) {
+					return $uuid;
+				}
+				else {
+					$uuid = trim(shell_exec("uuidgen"));
+					if (is_uuid($uuid)) {
+						return $uuid;
+					}
+					else {
+						echo "Please install the uuidgen.\n";
+						exit;
+					}
+				}
+			}
+			if ((strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') && function_exists('com_create_guid')) {
+				$uuid = trim(com_create_guid(), '{}');
+				if (is_uuid($uuid)) {
+					return $uuid;
+				}
+				else {
+					echo "The com_create_guid() function failed to create a uuid.\n";
+					exit;
+				}
+			}
+		}
+	}
+
+	if (!function_exists('is_uuid')) {
+		function is_uuid($uuid) {
+			if (gettype($uuid) == 'string') {
+				$regex = '/^[0-9A-F]{8}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{12}$/i';
+				return preg_match($regex, $uuid);
+			}
+			return false;
+		}
+	}
+
+	if (!function_exists('is_xml')) {
+		function is_xml($string) {
+		    $pattern = '/^<\?xml(?:\s+[^>]+\s*)?\?>\s*<(\w+)>.*<\/\1>\s*$/s';
+		    return preg_match($pattern, $string) === 1;
+		}
+	}
+
+	if (!function_exists('recursive_copy')) {
+		if (file_exists('/bin/cp')) {
+			function recursive_copy($source, $destination, $options = '') {
+				if (strtoupper(substr(PHP_OS, 0, 3)) === 'SUN') {
+					//copy -R recursive, preserve attributes for SUN
+					$cmd = 'cp -Rp '.$source.'/* '.$destination;
+				}
+				else {
+					//copy -R recursive, -L follow symbolic links, -p preserve attributes for other Posix systemss
+					$cmd = 'cp -RLp '.$options.' '.$source.'/* '.$destination;
+				}
+				exec ($cmd);
+			}
+		}
+		elseif(strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
+			function recursive_copy($source, $destination, $options = '') {
+				$source = normalize_path_to_os($source);
+				$destination = normalize_path_to_os($destination);
+				exec("xcopy /E /Y \"$source\" \"$destination\"");
+			}
+		}
+		else {
+			function recursive_copy($source, $destination, $options = '') {
+				$dir = opendir($source);
+				if (!$dir) {
+					throw new Exception("recursive_copy() source directory '".$source."' does not exist.");
+				}
+				if (!is_dir($destination)) {
+					if (!mkdir($destination,02770,true)) {
+						throw new Exception("recursive_copy() failed to create destination directory '".$destination."'");
+					}
+				}
+				while(false !== ( $file = readdir($dir)) ) {
+					if (( $file != '.' ) && ( $file != '..' )) {
+						if ( is_dir($source . '/' . $file) ) {
+							recursive_copy($source . '/' . $file,$destination . '/' . $file);
+						}
+						else {
+							copy($source . '/' . $file,$destination . '/' . $file);
+						}
+					}
+				}
+				closedir($dir);
+			}
+		}
+	}
+
+	if (!function_exists('recursive_delete')) {
+		if (file_exists('/usr/bin/find')) {
+			function recursive_delete($directory) {
+				if (isset($directory) && strlen($directory) > 8) {
+					exec('/usr/bin/find '.$directory.'/* -name "*" -delete');
+					//exec('rm -Rf '.$directory.'/*');
+					clearstatcache();
+				}
+			}
+		}
+		elseif (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
+			function recursive_delete($directory) {
+				$directory = normalize_path_to_os($directory);
+				//$this->write_debug("del /S /F /Q \"$dir\"");
+				exec("del /S /F /Q \"$directory\"");
+				clearstatcache();
+			}
+		}
+		else {
+			function recursive_delete($directory) {
+				foreach (glob($directory) as $file) {
+					if (is_dir($file)) {
+						//$this->write_debug("rm dir: ".$file);
+						recursive_delete("$file/*");
+						rmdir($file);
+					}
+					else {
+						//$this->write_debug("delete file: ".$file);
+						unlink($file);
+					}
+				}
+				clearstatcache();
+			}
+		}
+	}
+
+	if (!function_exists('if_group')) {
+		function if_group($group) {
+			//set default false
+				$result = false;
+			//search for the permission
+				if (count($_SESSION["groups"]) > 0) {
+					foreach($_SESSION["groups"] as $row) {
+						if ($row['group_name'] == $group) {
+							$result = true;
+							break;
+						}
+					}
+				}
+			//return the result
+				return $result;
+		}
+	}
+
+	if (!function_exists('permission_exists')) {
+		function permission_exists($permission, $operator = 'or') {
+			//set default
+				$result = false;
+			//permissions exist
+				if (is_array($_SESSION["permissions"]) && @sizeof($_SESSION['permissions']) != 0) {
+					//array
+					if (is_array($permission) && @sizeof($permission) != 0) {
+						if ($operator == 'and') {
+							$exists_all = true;
+							foreach ($permission as $perm) {
+								if ($_SESSION["permissions"][$permission] != true) {
+									$exists_all = false;
+									break;
+								}
+							}
+							$result = $exists_all;
+						}
+						else {
+							$exists_one = false;
+							foreach ($permission as $perm) {
+								if (isset($_SESSION["permissions"][$perm]) && $_SESSION["permissions"][$perm] != true) {
+									$exists_one = true;
+									break;
+								}
+							}
+							$result = $exists_one;
+						}
+					}
+					//single
+					else {
+						if (isset($_SESSION["permissions"][$permission]) && $_SESSION["permissions"][$permission] == true) {
+							$result = true;
+						}
+					}
+				}
+			//return the result
+				return $result;
+		}
+	}
+
+	if (!function_exists('if_group_member')) {
+		function if_group_member($group_members, $group) {
+			if (stripos($group_members, "||".$group."||") === false) {
+				return false; //group does not exist
+			}
+			else {
+				return true; //group exists
+			}
+		}
+	}
+
+	if (!function_exists('superadmin_list')) {
+		function superadmin_list() {
+			global $domain_uuid;
+			$sql = "select * from v_user_groups ";
+			$sql .= "where group_name = 'superadmin' ";
+			$database = new database;
+			$result = $database->select($sql, null, 'all');
+			$superadmin_list = "||";
+			if (is_array($result) && @sizeof($result) != 0) {
+				foreach ($result as $field) {
+					//get the list of superadmins
+					$superadmin_list .= $field['user_uuid']."||";
+				}
+			}
+			unset($sql, $result, $field);
+			return $superadmin_list;
+		}
+	}
+
+	if (!function_exists('if_superadmin')) {
+		function if_superadmin($superadmin_list, $user_uuid) {
+			if (stripos($superadmin_list, "||".$user_uuid."||") === false) {
+				return false;
+			}
+			else {
+				return true; //user_uuid exists
+			}
+		}
+	}
+
+	if (!function_exists('html_select_other')) {
+		function html_select_other($table_name, $field_name, $sql_where_optional, $field_current_value, $sql_order_by = null, $label_other = 'Other...') {
+			//html select other: build a select box from distinct items in db with option for other
+			global $domain_uuid;
+			$table_name = preg_replace("#[^a-zA-Z0-9_]#", "", $table_name);
+			$field_name = preg_replace("#[^a-zA-Z0-9_]#", "", $field_name);
+
+			$html = "<table border='0' cellpadding='1' cellspacing='0'>\n";
+			$html .= "<tr>\n";
+			$html .= "<td id=\"cell".escape($field_name)."1\">\n";
+			$html .= "\n";
+			$html .= "<select id=\"".escape($field_name)."\" name=\"".escape($field_name)."\" class='formfld' onchange=\"if (document.getElementById('".$field_name."').value == 'Other') { /*enabled*/ document.getElementById('".$field_name."_other').style.display=''; document.getElementById('".$field_name."_other').className='formfld'; document.getElementById('".$field_name."_other').focus(); } else { /*disabled*/ document.getElementById('".$field_name."_other').value = ''; document.getElementById('".$field_name."_other').style.display='none'; } \">\n";
+			$html .= "<option value=''></option>\n";
+
+			$sql = "select distinct(".$field_name.") as ".$field_name." ";
+			$sql .= "from ".$table_name." ".$sql_where_optional." ";
+			$sql .= "order by ".(!empty($sql_order_by) ? $sql_order_by : $field_name.' asc');
+			$database = new database;
+			$result = $database->select($sql, null, 'all');
+			if (is_array($result) && @sizeof($result) != 0) {
+				foreach($result as $field) {
+					if (!empty($field[$field_name])) {
+						$html .= "<option value=\"".escape($field[$field_name])."\" ".($field_current_value == $field[$field_name] ? "selected='selected'" : null).">".escape($field[$field_name])."</option>\n";
+					}
+				}
+			}
+			unset($sql, $result, $field);
+
+			$html .= "<option value='' disabled='disabled'></option>\n";
+			$html .= "<option value='Other'>".$label_other."</option>\n";
+			$html .= "</select>\n";
+			$html .= "</td>\n";
+			$html .= "<td id=\"cell".$field_name."2\" width='5'>\n";
+			$html .= "<input id=\"".$field_name."_other\" name=\"".$field_name."_other\" value='' type='text' class='formfld' style='display: none;'>\n";
+			$html .= "</td>\n";
+			$html .= "</tr>\n";
+			$html .= "</table>";
+
+			return $html;
+		}
+	}
+
+	if (!function_exists('html_select')) {
+		function html_select($table_name, $field_name, $sql_where_optional, $field_current_value, $field_value = '', $style = '', $on_change = '') {
+			//html select: build a select box from distinct items in db
+			global $domain_uuid;
+
+			$table_name = preg_replace("#[^a-zA-Z0-9_]#", "", $table_name);
+			$field_name = preg_replace("#[^a-zA-Z0-9_]#", "", $field_name);
+			$field_value = preg_replace("#[^a-zA-Z0-9_]#", "", $field_value);
+		
+			if (!empty($field_value)) {
+				$html .= "<select id=\"".$field_value."\" name=\"".$field_value."\" class='formfld' style='".$style."' ".($on_change != '' ? "onchange=\"".$on_change."\"" : null).">\n";
+				$html .= "	<option value=\"\"></option>\n";
+
+				$sql = "select distinct(".$field_name.") as ".$field_name.", ".$field_value." from ".$table_name." ".$sql_where_optional." order by ".$field_name." asc ";
+			}
+			else {
+				$html .= "<select id=\"".$field_name."\" name=\"".$field_name."\" class='formfld' style='".$style."' ".($on_change != '' ? "onchange=\"".$on_change."\"" : null).">\n";
+				$html .= "	<option value=\"\"></option>\n";
+
+				$sql = "select distinct(".$field_name.") as ".$field_name." from ".$table_name." ".$sql_where_optional." ";
+			}
+
+			$database = new database;
+			$result = $database->select($sql, null, 'all');
+			if (is_array($result) && @sizeof($result) != 0) {
+				foreach($result as $field) {
+					if (!empty($field[$field_name])) {
+						$selected = $field_current_value == $field[$field_name] ? "selected='selected'" : null;
+						$array_key = empty($field_value) ? $field_name : $field_value;
+						$html .= "<option value=\"".urlencode($field[$array_key])."\" ".$selected.">".urlencode($field[$field_name])."</option>\n";
+					}
+				}
+			}
+			unset($sql, $result, $field);
+			$html .= "</select>\n";
+
+			return $html;
+		}
+	}
+
+	if (!function_exists('th_order_by')) {
+		//html table header order by
+		function th_order_by($field_name, $column_title, $order_by, $order, $app_uuid = '', $css = '', $http_get_params = '', $description = '') {
+			global $text;
+			if (is_uuid($app_uuid) > 0) { $app_uuid = "&app_uuid=".urlencode($app_uuid); }	// accomodate need to pass app_uuid where necessary (inbound/outbound routes lists)
+
+			$field_name = preg_replace("#[^a-zA-Z0-9_]#", "", $field_name);
+			$field_value = preg_replace("#[^a-zA-Z0-9_]#", "", $field_value ?? '');
+
+			$sanitized_parameters = '';
+			if (isset($http_get_params) && !empty($http_get_params)) {
+				$parameters = explode('&', $http_get_params);
+				if (is_array($parameters)) {
+					foreach ($parameters as $parameter) {
+						if (substr_count($parameter, '=') != 0) {
+							$array = explode('=', $parameter);
+							$key = preg_replace('#[^a-zA-Z0-9_\-]#', '', $array['0']);
+							$value = urldecode($array['1']);
+							if ($key == 'order_by' && !empty($value)) {
+								//validate order by
+								$sanitized_parameters .= "&order_by=". preg_replace('#[^a-zA-Z0-9_\-]#', '', $value);
+							}
+							else if ($key == 'order' && !empty($value)) {
+								//validate order
+								switch ($value) {
+									case 'asc':
+										$sanitized_parameters .= "&order=asc";
+										break;
+									case 'desc':
+										$sanitized_parameters .= "&order=desc";
+										break;
+								}
+							}
+							else if (!empty($value) && is_numeric($value)) {
+								$sanitized_parameters .= "&".$key."=".$value;
+							}
+							else {
+								$sanitized_parameters .= "&".$key."=".urlencode($value);
+							}
+						}
+					}
+				}
+			}
+
+			$html = "<th ".$css." nowrap='nowrap'>";
+			$description = empty($description) ? '' : $description . ', ';
+			if (empty($order_by)) {
+				$order = 'asc';
+			}
+			if ($order_by == $field_name) {
+				if ($order == "asc") {
+					$description .= $text['label-order'].' '.$text['label-descending'];
+					$html .= "<a href='?order_by=".urlencode($field_name)."&order=desc".$app_uuid.$sanitized_parameters."' title=\"".escape($description)."\">".escape($column_title)."</a>";
+				}
+				else {
+					$description .= $text['label-order'].' '.$text['label-ascending'];
+					$html .= "<a href='?order_by=".urlencode($field_name)."&order=asc".$app_uuid.$sanitized_parameters."' title=\"".escape($description)."\">".escape($column_title)."</a>";
+				}
+			}
+			else {
+				$description .= $text['label-order'].' '.$text['label-ascending'];
+				$html .= "<a href='?order_by=".urlencode($field_name)."&order=asc".$app_uuid.$sanitized_parameters."' title=\"".escape($description)."\">".escape($column_title)."</a>";
+			}
+			$html .= "</th>";
+			return $html;
+		}
+	}
+
+	if (!function_exists('get_ext')) {
+		function get_ext($filename) {
+			preg_match('/[^?]*/', $filename, $matches);
+			$string = $matches[0];
+
+			$pattern = preg_split('/\./', $string, -1, PREG_SPLIT_OFFSET_CAPTURE);
+
+			// check if there is any extension
+			if(count($pattern) == 1){
+				//echo 'No File Extension Present';
+				return '';
+			}
+
+			if(count($pattern) > 1) {
+				$filenamepart = $pattern[count($pattern)-1][0];
+				preg_match('/[^?]*/', $filenamepart, $matches);
+				return $matches[0];
+			}
+		}
+		//echo "ext: ".get_ext('test.txt');
+	}
+
+	if (!function_exists('file_upload')) {
+		function file_upload($field = '', $file_type = '', $dest_dir = '') {
+
+			$uploadtempdir = $_ENV["TEMP"]."\\";
+			ini_set('upload_tmp_dir', $uploadtempdir);
+
+			$tmp_name = $_FILES[$field]["tmp_name"];
+			$file_name = $_FILES[$field]["name"];
+			$file_type = $_FILES[$field]["type"];
+			$file_size = $_FILES[$field]["size"];
+			$file_ext = get_ext($file_name);
+			$file_name_orig = $file_name;
+			$file_name_base = substr($file_name, 0, (strlen($file_name) - (strlen($file_ext)+1)));
+			//$dest_dir = '/tmp';
+
+			if ($file_size == 0) {
+				return;
+			}
+
+			if (!is_dir($dest_dir)) {
+				echo "dest_dir not found<br />\n";
+				return;
+			}
+
+			//check if allowed file type
+			if ($file_type == "img") {
+				switch (strtolower($file_ext)) {
+					case "jpg":
+					case "png":
+					case "gif":
+					case "bmp":
+					case "psd":
+					case "tif": break;
+					default: return false;
+				}
+			}
+			if ($file_type == "file") {
+				switch (strtolower($file_ext)) {
+					case "doc":
+					case "pdf":
+					case "ppt":
+					case "xls":
+					case "zip":
+					case "exe": break;
+					default: return false;
+				}
+			}
+
+			//find unique filename: check if file exists if it does then increment the filename
+				$i = 1;
+				while( file_exists($dest_dir.'/'.$file_name)) {
+					if (!empty($file_ext)) {
+						$file_name = $file_name_base . $i .'.'. $file_ext;
+					}
+					else {
+						$file_name = $file_name_orig . $i;
+					}
+					$i++;
+				}
+
+			//echo "file_type: ".$file_type."<br />\n";
+			//echo "tmp_name: ".$tmp_name."<br />\n";
+			//echo "file_name: ".$file_name."<br />\n";
+			//echo "file_ext: ".$file_ext."<br />\n";
+			//echo "file_name_orig: ".$file_name_orig."<br />\n";
+			//echo "file_name_base: ".$file_name_base."<br />\n";
+			//echo "dest_dir: ".$dest_dir."<br />\n";
+
+			//move the file to upload directory
+			//bool move_uploaded_file  ( string $filename, string $destination  )
+
+				if (move_uploaded_file($tmp_name, $dest_dir.'/'.$file_name)) {
+						return $file_name;
+				}
+				else {
+					echo "File upload failed!  Here's some debugging info:\n";
+					return false;
+				}
+				exit;
+
+		}
+	}
+
+	if (!function_exists('sys_get_temp_dir')) {
+		function sys_get_temp_dir() {
+			if ($temp = getenv('TMP')) { return $temp; }
+			if ($temp = getenv('TEMP')) { return $temp; }
+			if ($temp = getenv('TMPDIR')) { return $temp; }
+			$temp = tempnam(__FILE__,'');
+			if (file_exists($temp)) {
+				unlink($temp);
+				return dirname($temp);
+			}
+			return null;
+		}
+	}
+	//echo realpath(sys_get_temp_dir());
+
+	if (!function_exists('normalize_path')) {
+		//don't use DIRECTORY_SEPARATOR as it will change on a per platform basis and we need consistency
+		function normalize_path($path) {
+			return str_replace(array('/','\\'), '/', $path);
+		}
+	}
+
+	if (!function_exists('normalize_path_to_os')) {
+		function normalize_path_to_os($path) {
+			return str_replace(array('/','\\'), DIRECTORY_SEPARATOR, $path);
+		}
+	}
+
+	if (!function_exists('username_exists')) {
+		function username_exists($username) {
+			global $domain_uuid;
+			$sql = "select count(*) from v_users ";
+			$sql .= "where domain_uuid = :domain_uuid ";
+			$sql .= "and username = :username ";
+			$parameters['domain_uuid'] = $domain_uuid;
+			$parameters['username'] = $username;
+			$database = new database;
+			$num_rows = $database->select($sql, $parameters, 'column');
+			return $num_rows > 0 ? true : false;
+		}
+	}
+
+	if (!function_exists('add_extension_user')) {
+		function add_extension_user($extension_uuid, $username) {
+			global $domain_uuid;
+			//get the user_uuid by using the username
+				$sql = "select user_uuid from v_users ";
+				$sql .= "where domain_uuid = :domain_uuid ";
+				$sql .= "and username = :username ";
+				$parameters['domain_uuid'] = $domain_uuid;
+				$parameters['username'] = $username;
+				$database = new database;
+				$user_uuid = $database->select($sql, $parameters, 'column');
+				unset($sql, $parameters);
+
+				if (is_uuid($user_uuid)) {
+					//check if the user_uuid exists in v_extension_users
+						$sql = "select count(*) from v_extension_users ";
+						$sql .= "where domain_uuid = :domain_uuid ";
+						$sql .= "and user_uuid = :user_uuid ";
+						$parameters['domain_uuid'] = $domain_uuid;
+						$parameters['user_uuid'] = $user_uuid;
+						$database = new database;
+						$num_rows = $database->select($sql, $parameters, 'column');
+						unset($sql, $parameters);
+
+					//assign the extension to the user
+						if ($num_rows == 0) {
+							//build insert array
+								$extension_user_uuid = uuid();
+								$array['extension_users'][$x]['extension_user_uuid'] = $extension_user_uuid;
+								$array['extension_users'][$x]['domain_uuid'] = $domain_uuid;
+								$array['extension_users'][$x]['extension_uuid'] = $extension_uuid;
+								$array['extension_users'][$x]['user_uuid'] = $row["user_uuid"];
+							//grant temporary permissions
+								$p = new permissions;
+								$p->add('extension_user_add', 'temp');
+							//execute insert
+								$database = new database;
+								$database->app_name = 'function-add_extension_user';
+								$database->app_uuid = 'e68d9689-2769-e013-28fa-6214bf47fca3';
+								$database->save($array);
+								unset($array);
+							//revoke temporary permissions
+								$p->delete('extension_user_add', 'temp');
+						}
+				}
+		}
+	}
+
+	if (!function_exists('user_add')) {
+		function user_add($username, $password, $user_email = '') {
+			global $domain_uuid;
+			if (empty($username)) { return false; }
+			if (empty($password)) { return false; }
+			if (!username_exists($username)) {
+				//build user insert array
+					$user_uuid = uuid();
+					$salt = generate_password('20', '4');
+					$array['users'][0]['user_uuid'] = $user_uuid;
+					$array['users'][0]['domain_uuid'] = $domain_uuid;
+					$array['users'][0]['username'] = $username;
+					$array['users'][0]['password'] = md5($salt.$password);
+					$array['users'][0]['salt'] = $salt;
+					if (valid_email($user_email)) {
+						$array['users'][0]['user_email'] = $user_email;
+					}
+					$array['users'][0]['add_date'] = 'now()';
+					$array['users'][0]['add_user'] = $_SESSION["username"];
+
+				//build user group insert array
+					$user_group_uuid = uuid();
+					$array['user_groups'][0]['user_group_uuid'] = $user_group_uuid;
+					$array['user_groups'][0]['domain_uuid'] = $domain_uuid;
+					$array['user_groups'][0]['group_name'] = 'user';
+					$array['user_groups'][0]['user_uuid'] = $user_uuid;
+
+				//grant temporary permissions
+					$p = new permissions;
+					$p->add('user_add', 'temp');
+					$p->add('user_group_add', 'temp');
+				//execute insert
+					$database = new database;
+					$database->app_name = 'function-user_add';
+					$database->app_uuid = '15a8d74b-ac7e-4468-add4-3e6ebdcb8e22';
+					$database->save($array);
+					unset($array);
+				//revoke temporary permissions
+					$p->delete('user_add', 'temp');
+					$p->delete('user_group_add', 'temp');
+			}
+		}
+	}
+
+function switch_module_is_running($fp, $mod) {
+	if (!$fp) {
+		//if the handle does not exist create it
+			$fp = event_socket_create($_SESSION['event_socket_ip_address'], $_SESSION['event_socket_port'], $_SESSION['event_socket_password']);
+		//if the handle still does not exist show an error message
+			if (!$fp) {
+				$msg = "<div align='center'>Connection to Event Socket failed.<br /></div>";
+			}
+	}
+	if ($fp) {
+		//send the api command to check if the module exists
+		$switchcmd = "module_exists $mod";
+		$switch_result = event_socket_request($fp, 'api '.$switchcmd);
+		unset($switchcmd);
+		if (trim($switch_result) == "true") {
+			return true;
+		}
+		else {
+			return false;
+		}
+	}
+	else {
+		return false;
+	}
+}
+//switch_module_is_running('mod_spidermonkey');
+
+//format a number (n) replace with a number (r) remove the number
+function format_string($format, $data) {
+	//nothing to do so return
+	if(empty($format))
+		return $data;
+	
+	//preset values
+	$x=0;
+	$tmp = '';
+
+	//count the characters
+	$format_count = substr_count($format, 'x');
+	$format_count = $format_count + substr_count($format, 'R');
+	$format_count = $format_count + substr_count($format, 'r');
+
+	//format the string if it matches
+	if ($format_count == strlen($data)) {
+		for ($i = 0; $i <= strlen($format); $i++) {
+			$tmp_format = strtolower(substr($format, $i, 1));
+			if ($tmp_format == 'x') {
+				$tmp .= substr($data, $x, 1);
+				$x++;
+			}
+			elseif ($tmp_format == 'r') {
+				$x++;
+			}
+			else {
+				$tmp .= $tmp_format;
+			}
+		}
+	}
+	if (empty($tmp)) {
+		return $data;
+	}
+	else {
+		return $tmp;
+	}
+}
+
+//get the format and use it to format the phone number
+	function format_phone($phone_number) {
+		if (is_numeric(trim($phone_number ?? '', ' +'))) {
+			if (isset($_SESSION["format"]["phone"])) {
+				$phone_number = trim($phone_number, ' +');
+				foreach ($_SESSION["format"]["phone"] as &$format) {
+					$format_count = substr_count($format, 'x');
+					$format_count = $format_count + substr_count($format, 'R');
+					$format_count = $format_count + substr_count($format, 'r');
+					if ($format_count == strlen($phone_number)) {
+						//format the number
+						$phone_number = format_string($format, $phone_number);
+					}
+				}
+			}
+		}
+		return $phone_number;
+	}
+
+//format seconds into hh:mm:ss
+	function format_hours($seconds) {
+		$hours = floor($seconds / 3600);
+		$minutes = floor(floor($seconds / 60) % 60);
+		$seconds = $seconds % 60;
+		if (strlen($minutes) == 1) { $minutes = '0'.$minutes; }
+		if (strlen($seconds) == 1) { $seconds = '0'.$seconds; }
+		return "$hours:$minutes:$seconds";
+	}
+
+//browser detection without browscap.ini dependency
+	function http_user_agent($info = '') {
+
+		//set default values
+			$user_agent = $_SERVER['HTTP_USER_AGENT'];
+			$browser_name = 'Unknown';
+			$platform = 'Unknown';
+			$version = '';
+			$mobile = false;
+
+		//get the platform
+			if (preg_match('/linux/i', $user_agent)) {
+				$platform = 'Linux';
+			}
+			elseif (preg_match('/macintosh|mac os x/i', $user_agent)) {
+				$platform = 'Apple';
+			}
+			elseif (preg_match('/windows|win32/i', $user_agent)) {
+				$platform = 'Windows';
+			}
+
+		//set mobile to true or false
+			if (preg_match('/mobile/i', $user_agent)) {
+				$platform = 'Mobile';
+				$mobile = true;
+			}
+			elseif (preg_match('/android/i', $user_agent)) {
+				$platform = 'Android';
+				$mobile = true;
+			}
+
+		//get the name of the useragent
+			if (preg_match('/MSIE/i',$user_agent) || preg_match('/Trident/i',$user_agent)) {
+				$browser_name = 'Internet Explorer';
+				$browser_name_short = 'MSIE';
+			}
+			elseif (preg_match('/Firefox/i',$user_agent)) {
+				$browser_name = 'Mozilla Firefox';
+				$browser_name_short = 'Firefox';
+			}
+			elseif (preg_match('/Chrome/i',$user_agent)) {
+				$browser_name = 'Google Chrome';
+				$browser_name_short = 'Chrome';
+			}
+			elseif (preg_match('/Safari/i',$user_agent)) {
+				$browser_name = 'Apple Safari';
+				$browser_name_short = 'Safari';
+			}
+			elseif (preg_match('/Opera/i',$user_agent)) {
+				$browser_name = 'Opera';
+				$browser_name_short = 'Opera';
+			}
+			elseif (preg_match('/Netscape/i',$user_agent)) {
+				$browser_name = 'Netscape';
+				$browser_name_short = 'Netscape';
+			}
+			else {
+				$browser_name = 'Unknown';
+				$browser_name_short = 'Unknown';
+			}
+
+		//finally get the correct version number
+			$known = array('Version', $browser_name_short, 'other');
+			$pattern = '#(?<browser>' . join('|', $known) . ')[/ ]+(?<version>[0-9.|a-zA-Z.]*)#';
+			if (!preg_match_all($pattern, $user_agent, $matches)) {
+				//we have no matching number just continue
+			}
+
+		//see how many we have
+			$i = count($matches['browser']);
+			if ($i != 1) {
+				//we will have two since we are not using 'other' argument yet
+				//see if version is before or after the name
+				if (strripos($user_agent,"Version") < strripos($user_agent,$browser_name_short)) {
+					$version= $matches['version'][0];
+				}
+				else {
+					$version= $matches['version'][1];
+				}
+			}
+			else {
+				$version= $matches['version'][0];
+			}
+
+		//check if we have a number
+			if ($version == null || $version == "") { $version = "?"; }
+
+		//return the data
+			switch ($info) {
+				case "agent": return $user_agent; break;
+				case "name": return $browser_name; break;
+				case "name_short": return $browser_name_short; break;
+				case "version": return $version; break;
+				case "platform": return $platform; break;
+				case "mobile": return $mobile; break;
+				case "pattern": return $pattern; break;
+				default :
+					return array(
+						'user_agent' => $user_agent,
+						'name' => $browser_name,
+						'name_short' => $browser_name_short,
+						'version' => $version,
+						'platform' => $platform,
+						'mobile' => $mobile,
+						'pattern' => $pattern
+					);
+			}
+	}
+
+//tail php function for non posix systems
+	function tail($file, $num_to_get=10) {
+		$fp = fopen($file, 'r');
+		$position = filesize($file);
+		$chunklen = 4096;
+		if($position-$chunklen<=0) {
+			fseek($fp,0);
+		}
+		else {
+			fseek($fp, $position-$chunklen);
+		}
+		$data="";$ret="";$lc=0;
+		while($chunklen > 0) {
+			$data = fread($fp, $chunklen);
+			$dl=strlen($data);
+			for($i=$dl-1;$i>=0;$i--){
+				if($data[$i]=="\n"){
+					if($lc==0 && $ret!="")$lc++;
+					$lc++;
+					if($lc>$num_to_get)return $ret;
+				}
+				$ret=$data[$i].$ret;
+			}
+			if($position-$chunklen<=0){
+				fseek($fp,0);
+				$chunklen=$chunklen-abs($position-$chunklen);
+			}
+			else {
+				fseek($fp, $position-$chunklen);
+			}
+			$position = $position - $chunklen;
+		}
+		fclose($fp);
+		return $ret;
+	}
+
+//generate a random password with upper, lowercase and symbols
+	function generate_password($length = 0, $strength = 0) {
+		$password = '';
+		$chars = '';
+		if ($length === 0 && $strength === 0) { //set length and strenth if specified in default settings and strength isn't numeric-only
+			$length = (is_numeric($_SESSION["users"]["password_length"]["numeric"])) ? $_SESSION["users"]["password_length"]["numeric"] : 20;
+			$strength = (is_numeric($_SESSION["users"]["password_strength"]["numeric"])) ? $_SESSION["users"]["password_strength"]["numeric"] : 4;
+		}
+		if ($strength >= 1) { $chars .= "0123456789"; }
+		if ($strength >= 2) { $chars .= "abcdefghijkmnopqrstuvwxyz"; }
+		if ($strength >= 3) { $chars .= "ABCDEFGHIJKLMNPQRSTUVWXYZ"; }
+		if ($strength >= 4) { $chars .= "!^$%*?."; }
+		for ($i = 0; $i < $length; $i++) {
+			$password .= $chars[random_int(0, strlen($chars)-1)];
+		}
+		return $password;
+	}
+
+//check password strength against requirements (if any)
+	function check_password_strength($password, $text, $type = 'default') {
+		if ($password != '') {
+			if ($type == 'default') {
+				$req['length'] = $_SESSION['extension']['password_length']['numeric'];
+				$req['number'] = ($_SESSION['extension']['password_number']['boolean'] == 'true') ? true : false;
+				$req['lowercase'] = ($_SESSION['extension']['password_lowercase']['boolean'] == 'true') ? true : false;
+				$req['uppercase'] = ($_SESSION['extension']['password_uppercase']['boolean'] == 'true') ? true : false;
+				$req['special'] = ($_SESSION['extension']['password_special']['boolean'] == 'true') ? true : false;
+			} elseif ($type == 'user') {
+				$req['length'] = $_SESSION['user']['password_length']['numeric'];
+				$req['number'] = ($_SESSION['user']['password_number']['boolean'] == 'true') ? true : false;
+				$req['lowercase'] = ($_SESSION['user']['password_lowercase']['boolean'] == 'true') ? true : false;
+				$req['uppercase'] = ($_SESSION['user']['password_uppercase']['boolean'] == 'true') ? true : false;
+				$req['special'] = ($_SESSION['user']['password_special']['boolean'] == 'true') ? true : false;
+			}
+			if (is_numeric($req['length']) && $req['length'] != 0 && !preg_match_all('$\S*(?=\S{'.$req['length'].',})\S*$', $password)) { // length
+				$msg_errors[] = $req['length'].'+ '.$text['label-characters'];
+			}
+			if ($req['number'] && !preg_match_all('$\S*(?=\S*[\d])\S*$', $password)) { //number
+				$msg_errors[] = '1+ '.$text['label-numbers'];
+			}
+			if ($req['lowercase'] && !preg_match_all('$\S*(?=\S*[a-z])\S*$', $password)) { //lowercase
+				$msg_errors[] = '1+ '.$text['label-lowercase_letters'];
+			}
+			if ($req['uppercase'] && !preg_match_all('$\S*(?=\S*[A-Z])\S*$', $password)) { //uppercase
+				$msg_errors[] = '1+ '.$text['label-uppercase_letters'];
+			}
+			if ($req['special'] && !preg_match_all('$\S*(?=\S*[\W])\S*$', $password)) { //special
+				$msg_errors[] = '1+ '.$text['label-special_characters'];
+			}
+			if (is_array($msg_errors) && sizeof($msg_errors) > 0) {
+				message::add($_SESSION["message"] = $text['message-password_requirements'].': '.implode(', ', $msg_errors), 'negative', 6000);
+				return false;
+			}
+			else {
+				return true;
+			}
+		}
+		return true;
+	}
+
+//based on Wez Furlong do_post_request
+	if (!function_exists('send_http_request')) {
+		function send_http_request($url, $data, $method = "POST", $optional_headers = null) {
+			$params = array('http' => array(
+						'method' => $method,
+						'content' => $data
+						));
+			if ($optional_headers !== null) {
+				$params['http']['header'] = $optional_headers;
+			}
+			$ctx = stream_context_create($params);
+			$fp = @fopen($url, 'rb', false, $ctx);
+			if (!$fp) {
+				throw new Exception("Problem with $url, $php_errormsg");
+			}
+			$response = @stream_get_contents($fp);
+			if ($response === false) {
+				throw new Exception("Problem reading data from $url, $php_errormsg");
+			}
+			return $response;
+		}
+	}
+
+//convert the string to a named array
+	if(!function_exists('csv_to_named_array')) {
+		function csv_to_named_array($tmp_str, $tmp_delimiter) {
+			$tmp_array = explode ("\n", $tmp_str);
+			$result = array();
+			if (trim(strtoupper($tmp_array[0])) !== "+OK") {
+				$tmp_field_name_array = explode ($tmp_delimiter, $tmp_array[0]);
+				$x = 0;
+				foreach ($tmp_array as $row) {
+					if ($x > 0) {
+						$tmp_field_value_array = explode ($tmp_delimiter, $tmp_array[$x]);
+						$y = 0;
+						foreach ($tmp_field_value_array as $tmp_value) {
+							$tmp_name = $tmp_field_name_array[$y];
+							if (trim(strtoupper($tmp_value)) !== "+OK") {
+								$result[$x][$tmp_name] = $tmp_value;
+							}
+							$y++;
+						}
+					}
+					$x++;
+				}
+				unset($row);
+			}
+			return $result;
+		}
+	}
+
+function get_time_zone_offset($remote_tz, $origin_tz = 'UTC') {
+	$origin_dtz = new DateTimeZone($origin_tz);
+	$remote_dtz = new DateTimeZone($remote_tz);
+	$origin_dt = new DateTime("now", $origin_dtz);
+	$remote_dt = new DateTime("now", $remote_dtz);
+	$offset = $remote_dtz->getOffset($remote_dt) - $origin_dtz->getOffset($origin_dt);
+	return $offset;
+}
+
+function number_pad($number,$n) {
+	return str_pad((int) $number,$n,"0",STR_PAD_LEFT);
+}
+
+// validate email address syntax
+	if(!function_exists('valid_email')) {
+		function valid_email($email) {
+			return (filter_var($email, FILTER_VALIDATE_EMAIL)) ? true : false;
+		}
+	}
+
+//function to convert hexidecimal color value to rgb string/array value
+	if (!function_exists('hex_to_rgb')) {
+		function hex_to_rgb($hex, $delim = '') {
+			$hex = str_replace("#", "", $hex);
+
+			if (strlen($hex) == 3) {
+				$r = hexdec(substr($hex,0,1).substr($hex,0,1));
+				$g = hexdec(substr($hex,1,1).substr($hex,1,1));
+				$b = hexdec(substr($hex,2,1).substr($hex,2,1));
+			}
+			else {
+				$r = hexdec(substr($hex,0,2));
+				$g = hexdec(substr($hex,2,2));
+				$b = hexdec(substr($hex,4,2));
+			}
+			$rgb = array($r, $g, $b);
+
+			if ($delim != '') {
+				return implode($delim, $rgb); // return rgb delimited string
+			}
+			else {
+				return $rgb; // return array of rgb values
+			}
+		}
+	}
+
+//function to get a color's luminence level -- dependencies: rgb_to_hsl()
+	if (!function_exists('get_color_luminence')) {
+		function get_color_luminence($color) {
+			//convert hex to rgb
+			if (substr_count($color, ',') == 0) {
+				$color = str_replace(' ', '', $color);
+				$color = str_replace('#', '', $color);
+				if (strlen($color) == 3) {
+					$r = hexdec(substr($color,0,1).substr($color,0,1));
+					$g = hexdec(substr($color,1,1).substr($color,1,1));
+					$b = hexdec(substr($color,2,1).substr($color,2,1));
+				}
+				else {
+					$r = hexdec(substr($color,0,2));
+					$g = hexdec(substr($color,2,2));
+					$b = hexdec(substr($color,4,2));
+				}
+				$color = $r.','.$g.','.$b;
+			}
+
+			//color to array, pop alpha
+			if (substr_count($color, ',') > 0) {
+				$color = str_replace(' ', '', $color);
+				$color = str_replace('rgb', '', $color);
+				$color = str_replace('a(', '', $color);
+				$color = str_replace(')', '', $color);
+				$color = explode(',', $color);
+				$hsl = rgb_to_hsl($color[0], $color[1], $color[2]);
+			}
+
+			//return luminence value
+			return (is_array($hsl) && is_numeric($hsl[2])) ? $hsl[2] : null;
+		}
+	}
+
+//function to lighten or darken a hexidecimal, rgb, or rgba color value by a percentage -- dependencies: rgb_to_hsl(), hsl_to_rgb()
+	if (!function_exists('color_adjust')) {
+		function color_adjust($color, $percent) {
+			/*
+			USAGE
+				20% Lighter
+					color_adjust('#3f4265', 0.2);
+					color_adjust('234,120,6,0.3', 0.2);
+				20% Darker
+					color_adjust('#3f4265', -0.2); //
+					color_adjust('rgba(234,120,6,0.3)', -0.2);
+			RETURNS
+				Same color format provided (hex in = hex out, rgb(a) in = rgb(a) out)
+			*/
+
+			//convert hex to rgb
+			if (substr_count($color, ',') == 0) {
+				$color = str_replace(' ', '', $color);
+				if (substr_count($color, '#') > 0) {
+					$color = str_replace('#', '', $color);
+					$hash = '#';
+				}
+				if (strlen($color) == 3) {
+					$r = hexdec(substr($color,0,1).substr($color,0,1));
+					$g = hexdec(substr($color,1,1).substr($color,1,1));
+					$b = hexdec(substr($color,2,1).substr($color,2,1));
+				}
+				else {
+					$r = hexdec(substr($color,0,2));
+					$g = hexdec(substr($color,2,2));
+					$b = hexdec(substr($color,4,2));
+				}
+				$color = $r.','.$g.','.$b;
+			}
+
+			//color to array, pop alpha
+			if (substr_count($color, ',') > 0) {
+				$color = str_replace(' ', '', $color);
+				$wrapper = false;
+				if (substr_count($color, 'rgb') != 0) {
+					$color = str_replace('rgb', '', $color);
+					$color = str_replace('a(', '', $color);
+					$color = str_replace(')', '', $color);
+					$wrapper = true;
+				}
+				$colors = explode(',', $color);
+				$alpha = (sizeof($colors) == 4) ? array_pop($colors) : null;
+				$color = $colors;
+				unset($colors);
+
+				//adjust color using rgb > hsl > rgb conversion
+				$hsl = rgb_to_hsl($color[0], $color[1], $color[2]);
+				$hsl[2] = $hsl[2] + $percent;
+				$color = hsl_to_rgb($hsl[0], $hsl[1], $hsl[2]);
+
+				//return adjusted color in format received
+				if (isset($hash) && $hash == '#') { //hex
+					$hex = '';
+					for ($i = 0; $i <= 2; $i++) {
+						$hex_color = dechex($color[$i]);
+						if (strlen($hex_color) == 1) { $hex_color = '0'.$hex_color; }
+						$hex .= $hex_color;
+					}
+					return $hash.$hex;
+				}
+				else { //rgb(a)
+					$rgb = implode(',', $color);
+					if ($alpha != '') { $rgb .= ','.$alpha; $a = 'a'; }
+					if ($wrapper) { $rgb = 'rgb'.$a.'('.$rgb.')'; }
+					return $rgb;
+				}
+			}
+
+			return $color;
+		}
+	}
+
+//function to convert an rgb color array to an hsl color array
+	if (!function_exists('rgb_to_hsl')) {
+		function rgb_to_hsl($r, $g, $b) {
+			$r /= 255;
+			$g /= 255;
+			$b /= 255;
+
+			$max = max($r, $g, $b);
+			$min = min($r, $g, $b);
+
+			$h;
+			$s;
+			$l = ($max + $min) / 2;
+			$d = $max - $min;
+
+			if ($d == 0) {
+				$h = $s = 0; // achromatic
+			}
+			else {
+				$s = $d / (1 - abs((2 * $l) - 1));
+				switch($max){
+					case $r:
+						$h = 60 * fmod((($g - $b) / $d), 6);
+						if ($b > $g) { $h += 360; }
+						break;
+					case $g:
+						$h = 60 * (($b - $r) / $d + 2);
+						break;
+					case $b:
+						$h = 60 * (($r - $g) / $d + 4);
+						break;
+				}
+			}
+
+			return array(round($h, 2), round($s, 2), round($l, 2));
+		}
+	}
+
+//function to convert an hsl color array to an rgb color array
+	if (!function_exists('hsl_to_rgb')) {
+		function hsl_to_rgb($h, $s, $l){
+			$r;
+			$g;
+			$b;
+
+			$c = (1 - abs((2 * $l) - 1)) * $s;
+			$x = $c * (1 - abs(fmod(($h / 60), 2) - 1));
+			$m = $l - ($c / 2);
+
+			if ($h < 60) {
+				$r = $c;
+				$g = $x;
+				$b = 0;
+			}
+			else if ($h < 120) {
+				$r = $x;
+				$g = $c;
+				$b = 0;
+			}
+			else if ($h < 180) {
+				$r = 0;
+				$g = $c;
+				$b = $x;
+			}
+			else if ($h < 240) {
+				$r = 0;
+				$g = $x;
+				$b = $c;
+			}
+			else if ($h < 300) {
+				$r = $x;
+				$g = 0;
+				$b = $c;
+			}
+			else {
+				$r = $c;
+				$g = 0;
+				$b = $x;
+			}
+
+			$r = ($r + $m) * 255;
+			$g = ($g + $m) * 255;
+			$b = ($b + $m) * 255;
+
+			if ($r > 255) { $r = 255; }
+			if ($g > 255) { $g = 255; }
+			if ($b > 255) { $b = 255; }
+
+			if ($r < 0) { $r = 0; }
+			if ($g < 0) { $g = 0; }
+			if ($b < 0) { $b = 0; }
+
+			return array(floor($r), floor($g), floor($b));
+		}
+	}
+
+//function to send email
+	if (!function_exists('send_email')) {
+		function send_email($email_recipients, $email_subject, $email_body, &$email_error = '', $email_from_address = '', $email_from_name = '', $email_priority = 3, $email_debug_level = 0, $email_attachments = '', $email_read_confirmation = false) {
+			/*
+			RECIPIENTS NOTE:
+
+				Pass in a single email address...
+
+					[email protected]
+
+				Pass in a comma or semi-colon delimited string of e-mail addresses...
+
+					[email protected],[email protected],[email protected]
+					[email protected];[email protected];[email protected]
+
+				Pass in a simple array of email addresses...
+
+					Array (
+						[0] => [email protected]
+						[1] => [email protected]
+						[2] => [email protected]
+					)
+
+				Pass in a multi-dimentional array of addresses (delivery, address, name)...
+
+					Array (
+						[0] => Array (
+							[delivery] => to
+							[address] => [email protected]
+							[name] => user 1
+							)
+						[1] => Array (
+							[delivery] => cc
+							[address] => [email protected]
+							[name] => user 2
+							)
+						[2] => Array (
+							[delivery] => bcc
+							[address] => [email protected]
+							[name] => user 3
+							)
+					)
+
+			ATTACHMENTS NOTE:
+
+				Pass in as many files as necessary in an array in the following format...
+
+					Array (
+						[0] => Array (
+							[type] => file (or 'path')
+							[name] => filename.ext
+							[value] => /folder/filename.ext
+							)
+						[1] => Array (
+							[type] => string
+							[name] => filename.ext
+							[value] => (string of file contents - if base64, will be decoded automatically)
+							)
+					)
+
+			ERROR RESPONSE:
+
+				Error messages are stored in the variable passed into $email_error BY REFERENCE
+
+			*/
+
+			//add the email recipients
+			$address_found = false;
+			if (!is_array($email_recipients)) { // must be a single or delimited recipient address(s)
+				$email_recipients = str_replace(' ', '', $email_recipients);
+				$email_recipients = str_replace(',', ';', $email_recipients);
+				$email_recipients = explode(';', $email_recipients); // convert to array of addresses
+			}
+
+			foreach ($email_recipients as $email_recipient) {
+				if (is_array($email_recipient)) { // check if each recipient has multiple fields
+					if ($email_recipient["address"] != '' && valid_email($email_recipient["address"])) { // check if valid address
+						$recipients = $email_recipient["address"];
+						$address_found = true;
+					}
+				}
+				else if ($email_recipient != '' && valid_email($email_recipient)) { // check if recipient value is simply (only) an address
+					$email_recipients = $email_recipient;
+					$address_found = true;
+				}
+			}
+			if (is_array($recipients)) {
+				$email_recipients = implode(",", $recipients);
+			}
+			if (!$address_found) {
+				$email_error = "No valid e-mail address provided.";
+				return false;
+			}
+
+			//get the from address and name
+			$email_from_address = ($email_from_address != '') ? $email_from_address : $_SESSION['email']['smtp_from']['text'];
+			$email_from_name = ($email_from_name != '') ? $email_from_name : $_SESSION['email']['smtp_from_name']['text'];
+
+			//send email
+			$email = new email;
+			$email->recipients = $email_recipients;
+			$email->subject = $email_subject;
+			$email->body = $email_body;
+			$email->from_address = $email_from_address;
+			$email->from_name = $email_from_name;
+			$email->attachments = $email_attachments;
+			$email->debug_level = 3;
+			$sent = $email->send();
+			//$email_error = $email->email_error;
+
+		}
+	}
+
+//encrypt a string
+	if (!function_exists('encrypt')) {
+		function encrypt($key, $data) {
+			$encryption_key = base64_decode($key);
+			$iv = openssl_random_pseudo_bytes(openssl_cipher_iv_length('aes-256-cbc'));
+			$encrypted = openssl_encrypt($data, 'aes-256-cbc', $encryption_key, 0, $iv);
+			return base64_encode($encrypted.'::'.$iv);
+		}
+	}
+
+//decrypt a string
+	if (!function_exists('decrypt')) {
+		function decrypt($key, $data) {
+			$encryption_key = base64_decode($key);
+			list($encrypted_data, $iv) = explode('::', base64_decode($data), 2);
+			return openssl_decrypt($encrypted_data, 'aes-256-cbc', $encryption_key, 0, $iv);
+		}
+	}
+
+//json detection
+	if (!function_exists('is_json')) {
+		function is_json($str) {
+			return (is_string($str) && is_object(json_decode($str))) ? true : false;
+		}
+	}
+
+//mac detection
+	if (!function_exists('is_mac')) {
+		function is_mac($str) {
+			return (preg_match('/([a-fA-F0-9]{2}[:|\-]?){6}/', $str) == 1) ? true : false;
+		}
+	}
+
+//detect if php is running as command line interface
+	if (!function_exists('is_cli')) {
+		function is_cli() {
+			if (defined('STDIN')) {
+				return true;
+			}
+			if (php_sapi_name() == 'cli' && !isset($_SERVER['HTTP_USER_AGENT']) && is_numeric($_SERVER['argc'])) {
+				return true;
+			}
+			return false;
+		}
+	}
+
+//format device address
+	if (!function_exists('format_device_address')) {
+		function format_device_address($str, $delim = '-', $case = 'lower') {
+			if (empty($str)) { return false; }
+			if (is_mac($str)) {
+				$str = join($delim, str_split($str, 2));
+			}
+			$str = ($case == 'upper') ? strtoupper($str) : strtolower($str);
+			return $str;
+		}
+	}
+
+//transparent gif
+	if (!function_exists('img_spacer')) {
+		function img_spacer($width = '1px', $height = '1px', $custom = null) {
+			return "<img src='data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7' style='width: ".$width."; height: ".$height."; ".$custom."'>";
+		}
+	}
+
+//lower case
+	function lower_case($string) {
+		if (function_exists('mb_strtolower')) {
+			return mb_strtolower($string, 'UTF-8');
+		}
+		else {
+			return strtolower($string);
+		}
+	}
+
+//upper case
+	function upper_case($string) {
+		if (function_exists('mb_strtoupper')) {
+			return mb_strtoupper($string, 'UTF-8');
+		}
+		else {
+			return strtoupper($string);
+		}
+	}
+
+//write javascript function that detects select key combinations to perform designated actions
+	if (!function_exists('key_press')) {
+		function key_press($key, $direction = 'up', $subject = 'document', $exceptions = array(), $prompt = null, $action = null, $script_wrapper = true) {
+			//determine key code
+				switch (strtolower($key)) {
+					case 'escape':
+						$key_code = '(e.which == 27)';
+						break;
+					case 'delete':
+						$key_code = '(e.which == 46)';
+						break;
+					case 'enter':
+						$key_code = '(e.which == 13)';
+						break;
+					case 'backspace':
+						$key_code = '(e.which == 8)';
+						break;
+					case 'space':
+						$key_code = '(e.which == 32)';
+						break;
+					case 'ctrl+s':
+						$key_code = '(((e.which == 115 || e.which == 83) && (e.ctrlKey || e.metaKey)) || (e.which == 19))';
+						break;
+					case 'ctrl+q':
+						$key_code = '(((e.which == 113 || e.which == 81) && (e.ctrlKey || e.metaKey)) || (e.which == 19))';
+						break;
+					case 'ctrl+a':
+						$key_code = '(((e.which == 97 || e.which == 65) && (e.ctrlKey || e.metaKey)) || (e.which == 19))';
+						break;
+					case 'ctrl+c':
+						$key_code = '(((e.which == 99 || e.which == 67) && (e.ctrlKey || e.metaKey)) || (e.which == 19))';
+						break;
+					case 'ctrl+enter':
+						$key_code = '(((e.which == 13 || e.which == 10) && (e.ctrlKey || e.metaKey)) || (e.which == 19))';
+						break;
+					default:
+						return;
+				}
+			//filter direction
+				switch ($direction) {
+					case 'down': $direction = 'keydown'; break;
+					case 'press': $direction = 'keypress'; break;
+					case 'up': $direction = 'keyup'; break;
+				}
+			//check for element exceptions
+				if (is_array($exceptions)) {
+					if (sizeof($exceptions) > 0) {
+						$exceptions = "!$(e.target).is('".implode(',', $exceptions)."') && ";
+					}
+				}
+			//quote if selector is id or class
+				$subject = ($subject != 'window' && $subject != 'document') ? "'".$subject."'" : $subject;
+			//output script
+				echo "\n\n\n";
+				if ($script_wrapper) {
+					echo "<script language='JavaScript' type='text/javascript'>\n";
+				}
+				echo "	$(".$subject.").on('".$direction."', function(e) {\n";
+				echo "		if (".$exceptions.$key_code.") {\n";
+				if ($prompt != '') {
+					$action = ($action != '') ? $action : "alert('".$key."');";
+					echo "			if (confirm('".$prompt."')) {\n";
+					echo "				e.preventDefault();\n";
+					echo "				".$action."\n";
+					echo "			}\n";
+				}
+				else {
+					echo "			e.preventDefault();\n";
+					echo "			".$action."\n";
+				}
+				echo "		}\n";
+				echo "	});\n";
+				if ($script_wrapper) {
+					echo "</script>\n";
+				}
+				echo "\n\n\n";
+		}
+	}
+
+//format border radius values
+	if (!function_exists('format_border_radius')) {
+		function format_border_radius($radius_value, $default = 5) {
+			$radius_value = ($radius_value != '') ? $radius_value : $default;
+			$br_a = explode(' ', $radius_value);
+			foreach ($br_a as $index => $br) {
+				if (substr_count($br, '%') > 0) {
+					$br_b[$index]['number'] = str_replace('%', '', $br);
+					$br_b[$index]['unit'] = '%';
+				}
+				else {
+					$br_b[$index]['number'] = str_replace('px', '', strtolower($br));
+					$br_b[$index]['unit'] = 'px';
+				}
+			}
+			unset($br_a, $br);
+			if (sizeof($br_b) == 4) {
+				$br['tl']['n'] = $br_b[0]['number'];
+				$br['tr']['n'] = $br_b[1]['number'];
+				$br['br']['n'] = $br_b[2]['number'];
+				$br['bl']['n'] = $br_b[3]['number'];
+				$br['tl']['u'] = $br_b[0]['unit'];
+				$br['tr']['u'] = $br_b[1]['unit'];
+				$br['br']['u'] = $br_b[2]['unit'];
+				$br['bl']['u'] = $br_b[3]['unit'];
+			}
+			else if (sizeof($br_b) == 2) {
+				$br['tl']['n'] = $br_b[0]['number'];
+				$br['tr']['n'] = $br_b[0]['number'];
+				$br['br']['n'] = $br_b[1]['number'];
+				$br['bl']['n'] = $br_b[1]['number'];
+				$br['tl']['u'] = $br_b[0]['unit'];
+				$br['tr']['u'] = $br_b[0]['unit'];
+				$br['br']['u'] = $br_b[1]['unit'];
+				$br['bl']['u'] = $br_b[1]['unit'];
+			}
+			else {
+				$br['tl']['n'] = $br_b[0]['number'];
+				$br['tr']['n'] = $br_b[0]['number'];
+				$br['br']['n'] = $br_b[0]['number'];
+				$br['bl']['n'] = $br_b[0]['number'];
+				$br['tl']['u'] = $br_b[0]['unit'];
+				$br['tr']['u'] = $br_b[0]['unit'];
+				$br['br']['u'] = $br_b[0]['unit'];
+				$br['bl']['u'] = $br_b[0]['unit'];
+			}
+			unset($br_b);
+
+			return $br; //array
+		}
+	}
+
+//converts a string to a regular expression
+	if (!function_exists('string_to_regex')) {
+		function string_to_regex($string, $prefix='') {
+			$original_string = $string;
+			//escape the plus
+				if (substr($string, 0, 1) == "+") {
+					$string = "^\\+(".substr($string, 1).")$";
+				}
+			//add prefix
+				if (!empty($prefix)) {
+					if (!empty($prefix) && strlen($prefix) < 4) {
+						$plus = (substr($string, 0, 1) == "+") ? '' : '\+?';
+						$prefix = $plus.$prefix.'?';
+					}
+					else {
+						$prefix = '(?:'.$prefix.')?';
+					}
+				}
+			//convert N,X,Z syntax to regex
+				if (preg_match('/^[NnXxZz]+$/', $original_string)) {
+					$string = str_ireplace("N", "[2-9]", $string);
+					$string = str_ireplace("X", "[0-9]", $string);
+					$string = str_ireplace("Z", "[1-9]", $string);
+				}
+			//add ^ to the start of the string if missing
+				if (substr($string, 0, 1) != "^") {
+					$string = "^".$string;
+				}
+			//add $ to the end of the string if missing
+				if (substr($string, -1) != "$") {
+					$string = $string."$";
+				}
+			//add the round brackets
+				if (!strstr($string, '(')) {
+					if (strstr($string, '^')) {
+						$string = str_replace("^", "^".$prefix."(", $string);
+					}
+					else {
+						$string = '^('.$string;
+					}
+					if (strstr($string, '$')) {
+						$string = str_replace("$", ")$", $string);
+					}
+					else {
+						$string = $string.')$';
+					}
+				}
+			//return the result
+				return $string;
+		}
+		//$string = "+12089068227"; echo $string." ".string_to_regex($string)."\n";
+		//$string = "12089068227"; echo $string." ".string_to_regex($string)."\n";
+		//$string = "2089068227"; echo $string." ".string_to_regex($string)."\n";
+		//$string = "^(20890682[0-9][0-9])$"; echo $string." ".string_to_regex($string)."\n";
+		//$string = "1208906xxxx"; echo $string." ".string_to_regex($string)."\n";
+		//$string = "nxxnxxxxxxx"; echo $string." ".string_to_regex($string)."\n";
+		//$string = "208906xxxx"; echo $string." ".string_to_regex($string)."\n";
+		//$string = "^(2089068227"; echo $string." ".string_to_regex($string)."\n";
+		//$string = "^2089068227)"; echo $string." ".string_to_regex($string)."\n";
+		//$string = "2089068227$"; echo $string." ".string_to_regex($string)."\n";
+		//$string = "2089068227)$"; echo $string." ".string_to_regex($string)."\n";
+	}
+
+//dynamically load available web fonts
+	if (!function_exists('get_available_fonts')) {
+		function get_available_fonts($sort = 'alpha') {
+			if ($_SESSION['theme']['font_source_key']['text'] != '') {
+				if (!is_array($_SESSION['fonts_available']) || sizeof($_SESSION['fonts_available']) == 0) {
+					/*
+					sort options:
+						alpha 		- alphabetically
+						date 		- by date added (most recent font added or updated first)
+						popularity 	- by popularity (most popular family first)
+						style 		- by number of styles available (family with most styles first)
+						trending 	- by families seeing growth in usage (family seeing the most growth first)
+					*/
+					$google_api_url = 'https://www.googleapis.com/webfonts/v1/webfonts?key='.$_SESSION['theme']['font_source_key']['text'].'&sort='.$sort;
+					$response = file_get_contents($google_api_url);
+					if ($response != '') {
+						$data = json_decode($response, true);
+						$items = $data['items'];
+						foreach ($items as $item) {
+							$fonts[] = $item['family'];
+						}
+						//echo "<pre>".print_r($font_list, true)."</pre>";
+					}
+					$_SESSION['fonts_available'] = $fonts;
+					unset($fonts);
+				}
+				return (is_array($_SESSION['fonts_available']) && sizeof($_SESSION['fonts_available']) > 0) ? $_SESSION['fonts_available'] : array();
+			}
+			else {
+				return false;
+			}
+		}
+	}
+
+//dynamically import web fonts (by reading static css file)
+	if (!function_exists('import_fonts')) {
+		function import_fonts($file_to_parse, $line_styles_begin = null) {
+			/*
+			This function reads the contents of $file_to_parse, beginning at $line_styles_begin (if set),
+			and attempts to parse the specified google fonts used.  The assumption is that each curly brace
+			will be on its own line, each CSS style (attribute: value;) will be on its own line, a single
+			Google Fonts name will be used per selector, and that it will be surrounded by SINGLE quotes,
+			as shown in the example below:
+
+				.class_name {
+					font-family: 'Google Font';
+					font-weight: 300;
+					font-style: italic;
+					}
+
+			If the CSS styles are formatted as described, the necessary @import string should be generated
+			correctly.
+			*/
+
+			$file = file_get_contents($_SERVER["DOCUMENT_ROOT"].$file_to_parse);
+			$lines = explode("\n", $file);
+
+			$style_counter = 0;
+			foreach ($lines as $line_number => $line) {
+				if ($line_styles_begin != '' && $line_number < $line_styles_begin - 1) { continue; }
+				if (substr_count($line, "{") > 0) {
+					$style_lines[$style_counter]['begins'] = $line_number;
+				}
+				if (substr_count($line, "}") > 0) {
+					$style_lines[$style_counter]['ends'] = $line_number;
+					$style_counter++;
+				}
+			}
+			//echo "\n\n".print_r($style_lines, true)."\n\n";
+
+			if (is_array($style_lines) && sizeof($style_lines) > 0) {
+
+				foreach ($style_lines as $index => $style_line) {
+					for ($l = $style_line['begins']+1; $l < $style_line['ends']; $l++) {
+						$tmp[] = $lines[$l];
+					}
+					$style_groups[] = $tmp;
+					unset($tmp);
+				}
+				//echo "\n\n".print_r($style_groups, true)."\n\n";
+
+				if (is_array($style_groups) && sizeof($style_groups) > 0) {
+
+					foreach ($style_groups as $style_group_index => $style_group) {
+						foreach ($style_group as $style_index => $style) {
+							$tmp = explode(':', $style);
+							$attribute = trim($tmp[0]);
+							$value = trim(trim($tmp[1]),';');
+							$style_array[$attribute] = $value;
+						}
+						$style_groups[$style_group_index] = $style_array;
+						unset($style_array);
+					}
+					//echo "\n\n".print_r($style_groups, true)."\n\n";
+
+					foreach ($style_groups as $style_group_index => $style_group) {
+						$style_value = $style_group['font-family'];
+						if (substr_count($style_value, "'") > 0) {
+							//determine font
+								$font_begin = strpos($style_value, "'")+1;
+								$font_end = strpos($style_value, "'", $font_begin);
+								$font_name = substr($style_value, $font_begin, $font_end - $font_begin);
+							//determine modifiers
+								$weight = (is_numeric($style_group['font-weight']) || strtolower($style_group['font-weight']) == 'bold') ? strtolower($style_group['font-weight']) : null;
+								$italic = (strtolower($style_group['font-style']) == 'italic') ? 'italic' : null;
+							//add font to array
+								$fonts[$font_name][] = $weight.$italic;
+						}
+					}
+					//echo "\n\n/*".print_r($fonts, true)."*/\n\n";
+
+					if (is_array($fonts)) {
+						foreach ($fonts as $font_name => $modifiers) {
+							$modifiers = array_unique($modifiers);
+							$import_font_string = str_replace(' ', '+', $font_name);
+							if (is_array($modifiers) && sizeof($modifiers) > 0) {
+								$import_font_string .= ':'.implode(',', $modifiers);
+							}
+							$import_fonts[] = $import_font_string;
+						}
+						//echo "\n\n/*".print_r($import_fonts, true)."*/\n\n";
+						$import_string = "@import url(//fonts.googleapis.com/css?family=".implode('|', $import_fonts).");";
+						echo $import_string."\n";
+					}
+
+				}
+
+			}
+
+		}
+	}
+
+//retrieve array of countries
+	if (!function_exists('get_countries')) {
+		function get_countries() {
+			$sql = "select * from v_countries order by country asc";
+			$database = new database;
+			$result = $database->select($sql, null, 'all');
+			unset($sql);
+
+			return is_array($result) && @sizeof($result) != 0 ? $result : false;
+		}
+	}
+
+//make directory with event socket
+	function event_socket_mkdir($dir) {
+		//connect to fs
+			$fp = event_socket_create($_SESSION['event_socket_ip_address'], $_SESSION['event_socket_port'], $_SESSION['event_socket_password']);
+			if (!$fp) {
+				return false;
+			}
+		//send the mkdir command to freeswitch
+			if ($fp) {
+				//build and send the mkdir command to freeswitch
+					$switch_cmd = "lua mkdir.lua ".escapeshellarg($dir);
+					$switch_result = event_socket_request($fp, 'api '.$switch_cmd);
+					fclose($fp);
+				//check result
+					if (trim($switch_result) == "-ERR no reply") {
+						return true;
+					}
+			}
+		//can not create directory
+			return false;
+	}
+
+//escape user data
+	function escape($string) {
+		if (is_string($string)) {
+			return htmlentities($string, ENT_QUOTES | ENT_HTML5, 'UTF-8');
+		}
+		elseif (is_numeric($string)) {
+			return $string;
+		}
+		else {
+			$string = (array) $string;
+			if (isset($string[0])) {
+				return htmlentities($string[0], ENT_QUOTES | ENT_HTML5, 'UTF-8');
+			}
+		}
+		return false;
+	}
+
+//output pre-formatted array keys and values
+	if (!function_exists('view_array')) {
+		function view_array($array, $exit = true, $return = false) {
+			$html = "<br><pre style='text-align: left;'>".print_r($array, true).'</pre><br>';
+			if ($return) {
+				return $html;
+			}
+			else {
+				echo $html;
+			}
+			$exit and exit();
+		}
+	}
+
+//format db date and/or time to local date and/or time
+	if (!function_exists('format_when_local')) {
+		function format_when_local($when, $format = 'dt', $include_seconds = false) {
+			if ($when != '') {
+				// determine when format
+				if (substr_count($when, ' ') > 0) { // date and time
+					$tmp = explode(' ', $when);
+					$date = $tmp[0];
+					$time = $tmp[1];
+				}
+				else if (substr_count($when, '-') > 0) { // date only
+					$date = $when;
+				}
+				else if (substr_count($when, ':') > 0) { // time only
+					$time = $when;
+				}
+				unset($when, $tmp);
+
+				// format date
+				if ($date != '') {
+					$tmp = explode('-', $date);
+					$date = $tmp[1].'-'.$tmp[2].'-'.$tmp[0];
+				}
+
+				// format time
+				if ($time != '') {
+					$tmp = explode(':', $time);
+					if ($tmp[0] >= 0 && $tmp[0] <= 11) {
+						$meridiem = 'AM';
+						$hour = ($tmp[0] == 0) ? 12 : $tmp[0];
+					}
+					else {
+						$meridiem = 'PM';
+						$hour = ($tmp[0] > 12) ? ($tmp[0] - 12) : $tmp[0];
+					}
+					$minute = $tmp[1];
+					$second = $tmp[2];
+				}
+
+				// structure requested time format
+				$time = $hour.':'.$minute;
+				if ($include_seconds) { $time .= ':'.$second; }
+				$time .= ' '.$meridiem;
+
+				$return['d'] = $date;
+				$return['t'] = $time;
+				$return['dt'] = $date.' '.$time;
+
+				return $return[$format];
+			}
+			else {
+				return false;
+			}
+		}
+	}
+
+//define email button (src: https://buttons.cm)
+	if (!function_exists('email_button')) {
+		function email_button($text = 'Click Here!', $link = URL, $bg_color = '#dddddd', $fg_color = '#000000', $radius = '') {
+
+			// default button radius
+			$radius = $radius != '' ? $radius : '3px';
+
+			// retrieve single/first numeric radius value for ms arc
+			$tmp = $radius;
+			if (substr_count($radius, ' ') > 0) {
+				$tmp = explode(' ', $radius);
+				$tmp = $tmp[0];
+			}
+			$tmp = preg_replace("/[^0-9,.]/", '', $tmp); // remove non-numeric characters
+			$arc = floor($tmp / 35 * 100); // calculate percentage
+
+			// create button code
+			$btn = "
+				<div>
+					<!--[if mso]>
+					  <v:roundrect xmlns:v='urn:schemas-microsoft-com:vml' xmlns:w='urn:schemas-microsoft-com:office:word' href='".$link."' style='height: 35px; v-text-anchor: middle; width: 140px;' arcsize='".$arc."%' stroke='f' fillcolor='".$bg_color."'>
+							<w:anchorlock/>
+							<center>
+					<![endif]-->
+					<a href='".$link."' style='background-color: ".$bg_color."; border-radius: ".$radius."; color: ".$fg_color."; display: inline-block; font-family: sans-serif; font-size: 13px; font-weight: bold; line-height: 35px; text-align: center; text-decoration: none; width: 140px; -webkit-text-size-adjust: none;'>".$text."</a>
+					<!--[if mso]>
+							</center>
+						</v:roundrect>
+					<![endif]-->
+				</div>
+				";
+
+			return $btn;
+		}
+	}
+
+//validate and format order by clause of select statement
+	if (!function_exists('order_by')) {
+		function order_by($col, $dir, $col_default = '', $dir_default = 'asc') {
+			$order_by = ' order by ';
+			$col = preg_replace('#[^a-zA-Z0-9-_.]#', '', $col ?? '');
+			if(!empty($dir))
+				$dir = strtolower($dir) == 'desc' ? 'desc' : 'asc';
+			if ($col != '') {
+				return $order_by.$col.' '.$dir.' ';
+			}
+			else if (is_array($col_default) || $col_default != '') {
+				if (is_array($col_default) && @sizeof($col_default) != 0) {
+					foreach ($col_default as $k => $column) {
+						$direction = (is_array($dir_default) && @sizeof($dir_default) != 0 && (strtolower($dir_default[$k]) == 'asc' || strtolower($dir_default[$k]) == 'desc')) ? $dir_default[$k] : 'asc';
+						$order_bys[] = $column.' '.$direction.' ';
+					}
+					if (is_array($order_bys) && @sizeof($order_bys) != 0) {
+						return $order_by.implode(', ', $order_bys);
+					}
+				}
+				else {
+					return $order_by.$col_default.' '.$dir_default.' ';
+				}
+			}
+		}
+	}
+
+//validate and format limit and offset clause of select statement
+	if (!function_exists('limit_offset')) {
+		function limit_offset($limit = null, $offset = 0) {
+			$regex = '#[^0-9]#';
+			if (!empty($limit)) {
+				$limit = preg_replace($regex, '', $limit);
+				$offset = preg_replace($regex, '', $offset ?? '');
+				if (is_numeric($limit) && $limit > 0) {
+					$clause = ' limit '.$limit;
+					$offset = is_numeric($offset) ? $offset : 0;
+					$clause .= ' offset '.$offset;
+				}
+				return $clause.' ';
+			}
+			else {
+				return '';
+			}
+		}
+	}
+
+//add a random_bytes function when it doesn't exist for old versions of PHP
+	if (!function_exists('random_bytes')) {
+		function random_bytes($length) {
+			$chars .= "0123456789";
+			$chars .= "abcdefghijkmnopqrstuvwxyz";
+			$chars .= "ABCDEFGHIJKLMNPQRSTUVWXYZ";
+			for ($i = 0; $i < $length; $i++) {
+				$string .= $chars[random_int(0, strlen($chars)-1)];
+			}
+			return $string.' ';
+		}
+	}
+
+//add a hash_equals function when it doesn't exist for old versions of PHP
+	if (!function_exists('hash_equals')) {
+		function hash_equals($var1, $var2) {
+			if ($var1 == $var2) {
+				return true;
+			}
+			else {
+				return false;
+			}
+		}
+	}
+
+//convert bytes to readable human format
+	if (!function_exists('byte_convert')) {
+		function byte_convert($bytes, $precision = 2) {
+			static $units = array('B','KB','MB','GB','TB','PB','EB','ZB','YB');
+			$step = 1024;
+			$i = 0;
+			while (($bytes / $step) > 0.9) {
+				$bytes = $bytes / $step;
+				$i++;
+			}
+			return round($bytes, $precision).' '.$units[$i];
+		}
+	}
+
+//convert bytes to readable human format
+	if (!function_exists('random_int')) {
+		function random_int($min, $max) {
+			return rand ($min, $max);
+		}
+	}
+
+//manage submitted form values in a session array
+	if (!function_exists('persistent_form_values')) {
+		function persistent_form_values($action, $array = null) {
+			switch ($action) {
+				case 'store':
+					// $array is expected to be an array of key / value pairs to store in the session
+					if (is_array($array) && @sizeof($array) != 0) {
+						$_SESSION['persistent'][$_SERVER['PHP_SELF']] = $array;
+					}
+					break;
+				case 'exists':
+					return !empty($_SESSION['persistent']) && is_array($_SESSION['persistent'][$_SERVER['PHP_SELF']]) && @sizeof($_SESSION['persistent'][$_SERVER['PHP_SELF']]) != 0 ? true : false;
+					break;
+				case 'load':
+					// $array is expected to be the name of the array to create containing the key / value pairs
+					if ($array && !is_array($array)) {
+						global $$array;
+					}
+					if (!empty($_SESSION['persistent']) && is_array($_SESSION['persistent'][$_SERVER['PHP_SELF']]) && @sizeof($_SESSION['persistent'][$_SERVER['PHP_SELF']]) != 0) {
+						foreach ($_SESSION['persistent'][$_SERVER['PHP_SELF']] as $key => $value) {
+							if ($key != 'XID' && $key != 'ACT' && $key != 'RET') {
+								if ($array && !is_array($array)) {
+									$$array[$key] = $value;
+								}
+								else {
+									global $$key;
+									$$key = $value;
+								}
+							}
+						}
+						global $unsaved;
+						$unsaved = true;
+					}
+					break;
+				case 'view':
+					if (is_array($_SESSION['persistent'][$_SERVER['PHP_SELF']]) && @sizeof($_SESSION['persistent'][$_SERVER['PHP_SELF']]) != 0) {
+						view_array($_SESSION['persistent'][$_SERVER['PHP_SELF']], false);
+					}
+					break;
+				case 'clear':
+					unset($_SESSION['persistent'][$_SERVER['PHP_SELF']]);
+					break;
+			}
+		}
+	}
+
+//add alternative array_key_first for older verisons of PHP
+	if (!function_exists('array_key_first')) {
+	    function array_key_first(array $arr) {
+		foreach($arr as $key => $unused) {
+		    return $key;
+		}
+		return NULL;
+	    }
+	}
+
+//get accountcode
+	if (!function_exists('get_accountcode')) {
+		function get_accountcode() {
+			if (!empty($accountcode = $_SESSION['domain']['accountcode']['text'] ?? '')) {
+				if ($accountcode == "none") {
+					return;
+				}
+			}
+			else {
+				$accountcode = $_SESSION['domain_name'];
+			}
+			return $accountcode;
+		}
+	}
+
+// User exists
+	if (!function_exists('user_exists')) {
+		function user_exists($login, $domain_name = null) {
+			//connect to freeswitch
+			$fp = event_socket_create($_SESSION['event_socket_ip_address'], $_SESSION['event_socket_port'], $_SESSION['event_socket_password']);
+			if (!$fp) {
+				return false;
+			}
+
+			//send the user_exists command to freeswitch
+			if ($fp) {
+				if (is_null($domain_name)) {
+					$domain_name = $_SESSION['domain_name'];
+				}
+				$switch_cmd = "user_exists id '$login' '$domain_name'";
+				$switch_result = event_socket_request($fp, 'api '.$switch_cmd);
+				fclose($fp);
+				return ($switch_result == 'true' ? true: false);
+			}
+
+			//can not create directory
+			return null;
+		}
+	}
+
+?>