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From: "M. Strobel" <sorry_no_mail_here@nowhere.dee>
Newsgroups: comp.lang.php
Subject: Re: Count how many times a value occurs in an array
Date: Thu, 27 Sep 2012 23:52:14 +0200
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Message-ID: <ack04eFe8fvU1@mid.uni-berlin.de>
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Am 27.09.2012 20:07, schrieb Christoph Becker:
> M. Strobel wrote:
>> Be careful with call-by-reference, it is not allowed in the newest PHP versions.
> 
> Only the call-time call-by-reference was deprecated in 5.3 and removed
> in 5.4.  Declaring a parameter of a function as reference is absolutely
> fine.
> 
> E.g.:
> 
> function increase(&$n)
> {
>     $n++;
> }
> 
> $i = 1; increase($i); // $i == 2
> $i = 1; increase(&$i); // fatal error in PHP 5.4
> 

Yes, but I had a problem  with callback functions: if you created them with
create_function this was a call-time call-by-reference.


/Str.