How to use php to clear script

How to use php to clear script, many novices are not very clear about this, in order to help you solve this problem, the following small series will explain in detail for everyone, there are people who need this to learn, I hope you can gain something.

php Clear script method: 1, Create a PHP sample file;2, By "function delScript($string){...} "Method removes script from html.

Operating environment: Windows 7, PHP 7.1, DELL G3

How does PHP clear scripts?

PHP removes script from html

The code is as follows:

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

The main thing is to replace the middle part with empty.

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