Returns a boolean indicating whether an offset exists for the
current Collection.
public offsetExists ( string $offset ) : boolean | ||
$offset | string | String or integer indicating the offset or index of an entity in the set. |
Результат | boolean | Result. |
/** * Checks to see if a record with the given index key is in the record set. If the record * cannot be found, and not all records have been loaded into the set, it will continue loading * records until either all available records have been loaded, or a matching key has been * found. * * @see lithium\data\collection\RecordSet::offsetGet() * @param mixed $offset The ID of the record to check for. * @return boolean Returns true if the record's ID is found in the set, otherwise false. */ public function offsetExists($offset) { if (in_array($offset, $this->_index)) { return true; } return parent::offsetExists($offset); }