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

From: Date: Mon, 14 Jul 2014 15:20:33 +0000
Subject: Re: [RFC] Scalar Type Hinting With Casts (re-opening)
References: 1 2 3 4  Groups: php.internals 
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On 14 Jul 2014, at 15:17, Andrea Faulds <ajf@ajf.me> wrote: > > On 14 Jul 2014, at 15:03, Rowan Collins <rowan.collins@gmail.com> wrote: > >> Looking at the current table in the RFC, I'm not clear why NULL should pass as any >> value, but not array. Could it not behave the same as the existing type hints, i.e. accepted only if >> declared as a default? >> >> function foo(array $bar) { } foo(null); // ERROR >> function foo(array $bar=null) { } foo(null); // OK, $bar == NULL >> function foo(int $bar) { } foo(null); // ERROR >> function foo(int $bar=null) { } foo(null); // OK, $bar == NULL > > I’m thinking this as well. I wonder if perhaps it should be casted by default, but if you > make it explicitly nullable, it won’t cast if NULL is passed. This has been done now, as it was what I wanted to do and Anthony’s original intention. It works like this: function foo(int $a) { var_dump($a); } function bar(int $a = NULL) { var_dump($a); } foo(NULL); // int(0) bar(NULL); // NULL -- Andrea Faulds http://ajf.me/

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