Re: [POC - Patch] Scalar Type Hinting - A-La zend_parse_parameters
| From: | Tjerk Meesters | Date: | Sat, 10 Mar 2012 07:45:32 +0000 |
| Subject: | Re: [POC - Patch] Scalar Type Hinting - A-La zend_parse_parameters | ||
| References: | 1 2 3 4 5 6 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-58831@lists.php.net to get a copy of this message | ||
On 9 Mar, 2012, at 11:20 PM, Lazare Inepologlou <linepogl@gmail.com> wrote:
> Type casting combined with passing by reference is problematic in many
> ways. Just an example:
>
> fuction foo( string & $buffer) { ... }
> foo( $my_buffer );
>
> Here, $my_buffer has just been declared, so it is null. Should this be an
> error? I don't know! So, I think that that passing by reference should not
> be (immediately) supported.
>
Strictly speaking, if you add a type to a referenced variable in that way it's only logical
that you expect it to have a proper value when the function is called. After all, it's not an
output type declaration :)