Re: [RFC] Scalar Type Hinting With Casts (re-opening)

On 13 Jul 2014, at 13:50, Jocelyn Fournier <jocelyn.fournier@gmail.com> wrote: > Would it possible to control the implicit casting through a PHP variable ? (or perhaps modify > E_STRICT to display a warning if this kind of implicit cast is done ?) No. I mean, yes, it’s possible, but allowing the effective function signature of a function to change based on some variable or ini setting does not sound like a good idea to me. > I mean specifying explicitly a type is often useful to make sure the proper type is passed to > the function, and there's no bug in the calling func. > > e.g. safety check like > > function foo($bar) { > if (!is_int($bar)) { > throw new Exception('Invalid parameter type'); > } > } > > will not be "equivalent" to > > function foo(int $bar) { > > } > > and there will be no way to have an equivalent behaviour once "type hinting" is used > ! You just demonstrated one: > function foo($bar) { > if (!is_int($bar)) { > throw new Exception('Invalid parameter type'); > } > } If you really want to continue doing that, nothing would stop you. -- Andrea Faulds http://ajf.me/