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Subject: Re: left/right order of assignment and ++ increment changed? 5.0.x
	-->5.1.x
From: mike@php.net (Michael Wallner)

D. Dante Lorenso wrote:
> Internals,
> 
> Seems the order or left vs right assignment evaluation has changed 
> somehow recently in my upgrade to PHP 5.1.4.  See the following code:
> 
> ---------- 8< -------------------- 8< ----------
> <?php
> $data = array();
> $index = 0;
> for ($x = 0; $x < 5; $x++) {
>   $data[$index] = $index++;
> }

The behaviour is undefined (tm) if you use the variable to be in/decremented more than once in a statement.

Regards,
-- 
Michael