| 
<?php
 use voku\helper\HtmlDomParser;
 
 require_once '../vendor/autoload.php';
 
 $templateHtml = '
 <!DOCTYPE html>
 <html>
 <head>
 <meta charset="UTF-8">
 <meta name="description" content="Free Web tutorials">
 <meta name="keywords" content="HTML,CSS,XML,JavaScript">
 <meta name="author" content="Lars Moelleken">
 </head>
 <body>
 
 <p>All meta information goes in the head section...</p>
 
 </body>
 </html>
 ';
 
 $htmlTmp = HtmlDomParser::str_get_html($templateHtml);
 foreach ($htmlTmp->find('meta') as $meta) {
 if ($meta->hasAttribute('content')) {
 $meta_data[$meta->getAttribute('name')][] = $meta->getAttribute('content');
 }
 }
 
 // dump contents
 /** @noinspection ForgottenDebugOutputInspection */
 var_export($meta_data, false);
 
 /*
 [
 'description' => [
 'Free Web tutorials',
 ],
 'keywords' => [
 'HTML,CSS,XML,JavaScript',
 ],
 'author' => [
 'Lars Moelleken',
 ],
 ]
 */
 
 |