How to clear script in php

How to clear script in php: 1. Create a PHP sample file; 2. Use the "function delScript($string){...}" method to remove the script in html.

The operating environment of this article: Windows7 system, PHP7.1 version, DELL G3 computer

php How to clear script?

php removes script from html

The code is as follows:

//去除 script 脚 本
function delScript($string){
   $pregfind = array("/<script.*>.*<//script>/siU",&#39;/on(mousewheel|mouseover|click|load|onload|submit|focus|blur)="[^"]*"/i&#39;);
   $pregreplace = array(&#39;&#39;,&#39;&#39;);
   $string = preg_replace($pregfind, $pregreplace, $string);
   return $string;
}

Mainly replace 3f1c4e4b6b16bbbd69b2ee476dc4f83a2cacc6d41bbb37262a98f745aa00fbf0 and the middle part with empty ones.

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