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Re: Count how many times a value occurs in an array [message #179273 is a reply to message #179272] Thu, 27 September 2012 18:07 Go to previous messageGo to previous message
Christoph Becker is currently offline  Christoph Becker
Messages: 91
Registered: June 2012
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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

--
Christoph M. Becker
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