PHP filters dangerous codes submitted by forms (preventing PHP injection)_PHP tutorial

If the security of form submission is not done well, it is easy for the website to be attacked due to this form submission. Let me share two commonly used PHP methods. For examples of filtering dangerous codes submitted through forms, friends in need can refer to them.

Example 1

The code is as follows

代码如下

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function uhtml($str)  {      $farr = array(          "/s+/", //过滤多余空白           //过滤 How to use cURL to implement Get and Post requests in PHP How to use cURL to implement Get and Post requests in PHP How to use cURL to implement Get and Post requests in PHP How to use cURL to implement Get and Post requests in PHP All expression symbols in regular expressions (summary) Public welfare online PHP training，Help PHP learners grow quickly！ About usDisclaimerSitemap © php.cn All rights reserved