本文实例讲述了PHP实现通过正则表达式替换回调的内容标签。分享给大家供大家参考。具体实现方法如下:
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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 ; } |
希望本文所述对大家的php程序设计有所帮助。