In PHP, the content tag of the callback is replaced by a regular expression, and the regular expression callback _ PHP Tutorial

Source: Internet
Author: User
In PHP, the content tag of the callback is replaced by a regular expression, and the regular expression calls back. In PHP, the content tag of the callback is replaced by a regular expression. the regular expression callback example describes how to replace the content tag of the callback using a regular expression in PHP. We will share with you how to use a regular expression to replace the callback content tag and a regular expression for callback in PHP.

This example describes how to replace the callback content tag with a regular expression in PHP. Share it with you for your reference. The specific implementation method is as follows:

function my_wp_plugin_tag_action($content,$tag,$function,$args = FALSE) { // match all regular expressions preg_match_all($tag,$content,$matches); if (count($matches)>0) {  // filter duplicates  $matches = array_unique($matches);  // loop through  $tag_results = array();  $found_tags = array();  foreach ($matches as $idx => $match) {   //build arg array   $full_tag = array_shift($match);   //call function, adding function output and full tag text to replacement array   $tag_results[] = my_wp_plugin_buffer_func($function,$match);   $found_tags[] = $full_tag;  }  // replace all tags with corresponding text  $content = str_replace($found_tags,$tag_results,$content); } return $content;}

I hope this article will help you with php programming.

The example in this article describes how to replace the callback content tag with a regular expression in PHP. Share it with you...

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