public function setEditedOn($edited_on) {
        
        $this -> edited_on = $edited_on !== null ? new \DateTime($edited_on) : null;
        return $this;
    }
public function setEditedOn($edited_on) {
        
        $this -> edited_on = $edited_on !== null ? new \DateTime($edited_on) : null;
        return $this;
    }
public function setEditedOn ( $ edited_on ) { $ this -> edited_on = $ edited_on !== null ? new \ DateTime ( $ edited_on ) : null ; return $ this ; }
Sets the edited on
@param string $edited_on
@return TimestampAwareTrait
Sets the edited on