On Wed, Jan 14, 2009 at 9:20 AM, Edmund Hertle < edmund.hertle@xxxxxxxxxxxxxxx> wrote: > > Edmund Hertle schrieb: > > > > Hey, > >> I've just discovered the ArrayObject class, but it seems to not be well > >> documented, so here is my problem: > >> > >> You can use ArrayObject::append() to add a new value to the array, but > is > >> there also a method to add a new key and value? > >> > >> And I know that I could extend the class and write my own method but > isn't > >> this quite a base method for arrays in php? So maybe I just missed a > >> obvious > >> point? > >> > >> Quick example: > >> > >> Without ArrayObject: > >> 1. $array[] = $value > >> 2. $array[$key] = $value > >> > >> With ArrayObject: > >> 1. $arrayObject->append($value) > >> 2. ??? > >> > >> -eddy > >> > >> Hi Eddy, > > use offsetSet( key, data) to do this. You can implements the Interface or > > extend from the Class to extend the functionality (think interceptors > __SET > > and __GET) > > > > Regards > > > > Carlos Medina > > Thank you all. This is completly new to me (didn't thougt that it is > possible to use [ ] on objects). So just for clarification:If I write a > custom class (not an child of ObjectArray) and implement that array > interface then I can use $customClass[$key] = $value and changing the > functionality as I like to, for example create a nice usability? all you have to do is implement ArrayAccess, then your objects can use the array notation. there are 4 methods youll need to define, per the interface, offsetExists($offset) offsetGet($offset) offsetSet($offset, $value) offsetUnset($offset) Or with an other point of view: Can I use those braces normally on every > object? no, however some internal classes that do not explicitly implement ArrayAccess support array notation, such as SimpleXMLElement. Class [ <internal:SimpleXML> <iterateable> class SimpleXMLElement implements Traversable ] > Or is this functionality introduced with implementing the array > interface? > its ArrayAccess, and yes; however internal classes dont *need* to implement it in order to expose the array notation, afaik. -nathan
