/** * @param string $embedUrl * @return null */ public function setEmbedUrl($embedUrl) { if (!isset($this->loadedFields['embedUrl'])) { $this->loadProperties(); } $oldValue = null; if (array_key_exists('embedUrl', $this->loadedValues)) { $oldValue = $this->loadedValues['embedUrl']; } if ($oldValue === $embedUrl) { $this->embedUrl = $embedUrl; return; } return parent::setEmbedUrl($embedUrl); }