properties; $videoId = ''; $showRelatedVideos = 0; if (isset($properties['videoId'])) { $videoId = htmlspecialchars($properties['videoId']); } if (isset($properties['showRelatedVideos']) && $properties['showRelatedVideos'] === 'true') { $showRelatedVideos = 1; } // If the video ID contains 'v=', it means a URL has been passed. Retrieve the video ID. $idPosition = null; if (($idPosition = stripos($videoId, 'v=')) !== false) { // The video ID, which perhaps still has some arguments behind it. $videoId = substr($videoId, $idPosition + 2); // Explode on extra arguments (&). $videoId = explode('&', $videoId); // The first element is the video ID if (is_array($videoId) && isset($videoId[0])) { $videoId = $videoId[0]; } } ?>