Instructions on how to use regex to delete width and height styles in HTML code in php

This article mainly introduces the method of PHP regulardeleting the width and height styles inHTML code, involving PHP regular matching, replacement and other operating skills for HTML code. Friends in need can refer to the following

The example of this article describes the method of PHP regular deletion of width and height styles in HTML code. Share it with everyone for your reference, the details are as follows:

Due to work needs, it is necessary to collect html and save the html content into the database. In order to avoid affecting usage, the width and height styles need to be deleted. For example,pictureand width,height, etc. in p.

However, in the collected HTML, the styles are written in different ways, such as upper and lower case, spaces in the middle, etc.

So I wrote the following method using PHP regular to filter these weird styles.

The code is as follows:

Demo:

 
  
 
 
  
 
 HTML; echo ''; echo '原内容：'.PHP_EOL; echo $html.PHP_EOL.PHP_EOL; echo '过滤后内容：'.PHP_EOL; echo clear_wh($html); echo ''; ?>

Output:

原内容： 
 
  
 
 
  
 
 过滤后内容： 
 
  
 
 
  
 

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