function isUser()
	{
		$ezpo = eZPersistentObject::fetchObject( eZContentObject::definition(),
                                                null,
                                                array( 'id' => $this->attribute('contentobject_id') ),
                                                true );
		return eZUser::isUserObject( $ezpo );
	}
function isUser()
	{
		$ezpo = eZPersistentObject::fetchObject( eZContentObject::definition(),
                                                null,
                                                array( 'id' => $this->attribute('contentobject_id') ),
                                                true );
		return eZUser::isUserObject( $ezpo );
	}
function isUser ( ) { $ ezpo = eZPersistentObject :: fetchObject ( eZContentObject :: definition ( ) , null , array ( 'id' => $ this -> attribute ( 'contentobject_id' ) ) , true ) ; return eZUser :: isUserObject ( $ ezpo ) ; }
Check if the object that contains the ezpaex attribute is an user

@return bool if the contentobject is a user or not
Check if the object that contains the ezpaex attribute is an user