Re: Invokation on __toString() for object used as array key

On 24 Sep 2014, at 13:24, Johannes Schlüter <johannes@schlueters.de> wrote: > Taking this sample code::: > > <?php > class C { > function __toString() { > return "C"; > } > } > > $a = []; > > $c1 = new C(); > $c2 = new C(); > > $a[$c1] = 23; > $a[$c2] = 42; > ?> > > There the assumption would be that this leads to an array $a with two > elements, where in fact there is only one if __toString() is being > called. The only thing "making sense" would be using using the objects > identity (i.e. via spl_object_hash()) everything else leads to issues. I’m not sure this is a fair example. Don’t classes usually implement a __toString() that is based on the data they contain? If they don’t, I’m not sure they’re useful for indexing anyway. -- Andrea Faulds http://ajf.me/