PHP 替换字符串所有script脚本

function preg_str_replace($string){
    $pregfind = array("/<script.*>.*<//script>/siU",'/on(mousewheel|mouseover|click|load|onload|submit|focus|blur)="[^"]*"/i');
    $pregreplace = array('','');
    $string = preg_replace($pregfind, $pregreplace, $string);
    return $string;
}