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