php 包裹iframe或嵌入另一个元素

Posted 2021-05-04

/*
 * Wrap iframe and embed in div
 */
 function div_wrapper($content) {
     // match any iframes
     $pattern = '~<iframe.*</iframe>|<embed.*</embed>~';
     preg_match_all($pattern, $content, $matches);

     foreach ($matches[0] as $match) {
         // wrap matched iframe with div
         $wrappedframe = '<div class="embed-responsive embed-responsive-16by9">' . $match . '</div>';

         //replace original iframe with new in content
         $content = str_replace($match, $wrappedframe, $content);
     }

     return $content;
 }
 add_filter('the_content', 'div_wrapper');