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@@ -159,6 +159,13 @@
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}
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}
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+ if (!function_exists('is_xml')) {
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+ function is_xml($string) {
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+ $pattern = '/^<\?xml(?:\s+[^>]+\s*)?\?>\s*<(\w+)>.*<\/\1>\s*$/s';
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+ return preg_match($pattern, $string) === 1;
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+ }
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+ }
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+
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if (!function_exists('recursive_copy')) {
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if (file_exists('/bin/cp')) {
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function recursive_copy($source, $destination, $options = '') {
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