Online PHP editor | refs for 3fQWA

<?php $vlink_url = 'https://www.youtube.com/watch?v=sTSA_sWGM44'; $query = parse_url($vlink_url, PHP_URL_QUERY); parse_str($query, $output); var_dump($output); //$videoId = $output['v'] ?? null; //$videoId = isset($output['v'])? $output['v'] : null; $videoId = null; if(isset($output['v'])){ $videoId = $output['v']; } echo 'final result: ' . $videoId;