[php7] optimized some Array methods

std/php7/_std/Array.hx

@@ -90,17 +90,22 @@ class Array<T> implements ArrayAccess<Int,T> {
 		return -1;
 	}
 
-	public function map<S>(f:T->S):Array<S> {
-		return wrap(Global.array_map(f, arr));
+	public inline function map<S>(f:T->S):Array<S> {
+		var result = Syntax.arrayDecl();
+		for(i in 0...length) {
+			result[i] = f(arr[i]);
+		}
+		return wrap(result);
 	}
 
-	public function pop():Null<T> {
+	public inline function pop():Null<T> {
 		if (length > 0) length--;
 		return Global.array_pop(arr);
 	}
 
-	public function push(x:T):Int {
-		return length = Global.array_push(arr, x);
+	public inline function push(x:T):Int {
+		arr[length] = x;
+		return ++length;
 	}
 
 	public function remove(x:T):Bool {
@@ -118,7 +123,7 @@ class Array<T> implements ArrayAccess<Int,T> {
 		arr = Global.array_reverse(arr);
 	}
 
-	public function shift():Null<T> {
+	public inline function shift():Null<T> {
 		if (length > 0) length--;
 		return Global.array_shift(arr);
 	}
@@ -138,7 +143,7 @@ class Array<T> implements ArrayAccess<Int,T> {
 		}
 	}
 
-	public function sort(f:T->T->Int):Void {
+	public inline function sort(f:T->T->Int):Void {
 		arr.usort(f);
 	}
 
@@ -149,7 +154,7 @@ class Array<T> implements ArrayAccess<Int,T> {
 		return result;
 	}
 
-	public function unshift(x:T):Void {
+	public inline function unshift(x:T):Void {
 		length = Global.array_unshift(arr, x);
 	}
 
@@ -188,7 +193,7 @@ class Array<T> implements ArrayAccess<Int,T> {
 	function offsetUnset( offset:Int ) : Void {
 		if (offset >= 0 && offset < length ) {
 			Global.array_splice(arr, offset, 1);
-			length--;
+			--length;
 		}
 	}
 

std/php7/_std/Std.hx

@@ -33,8 +33,8 @@ import php.Syntax;
 		return Boot.is(v, t);
 	}
 
-	public static function instance<T:{},S:T>( value : T, c : Class<S> ) : S {
-		return Std.is(value, c) ? cast value : null;
+	public static inline function instance<T:{},S:T>( value : T, c : Class<S> ) : S {
+		return Boot.is(value, cast c) ? cast value : null;
 	}
 
 	public static function string( s : Dynamic ) : String {
@@ -83,7 +83,7 @@ import php.Syntax;
 		}
 	}
 
-	public static function random( x : Int ) : Int {
+	public static inline function random( x : Int ) : Int {
 		return x <= 1 ? 0 : Global.mt_rand(0, x - 1);
 	}