MW_EXT_Kernel.class.php
public static function outClear( $string ) {
		$trim = trim( $string );
		$out  = htmlspecialchars( $trim, ENT_QUOTES );

		return $out;
	}
public static function outClear( $string ) {
		$trim = trim( $string );
		$out  = htmlspecialchars( $trim, ENT_QUOTES );

		return $out;
	}
Clear DATA (escape html).

@param $string

@return string