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Bug #30496 foreach wrong assignment with multidim arrays
Submitted: 2004-10-20 15:17 UTC Modified: 2004-10-21 09:20 UTC
From: esartoni at omniaglobal dot net Assigned:
Status: Not a bug Package: Arrays related
PHP Version: 4CVS-2004-10-20 (stable) OS: Linux
Private report: No CVE-ID: None
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From: esartoni at omniaglobal dot net
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 [2004-10-20 15:17 UTC] esartoni at omniaglobal dot net 
Description:
------------
foreach doesn't work as expected when using multidimensional arrays.

Reproduce code:
---------------
<?php
	$a=array();
	$a[]=array("one", "two", "three");
	$a[]=array("five", "six", "seven");
	
	// Code 1 (THIS DON'T WORK AS EXPECTED)
	foreach ($a as $value) {
		echo join(",", $value)."\n";
	}
/*
  This code below is a workaround:

        // Code 2 (THIS WORKS!)
	foreach ($a as $key => $value) {
		echo join(",", $value)."\n";
	}
*/
?>

Expected result:
----------------
one,two,three
five,six,seven

Actual result:
--------------
Array,0
Array,1

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 [2004-10-20 15:19 UTC] esartoni at omniaglobal dot net 
With PHP v4.3.9 works ok!
 [2004-10-20 15:34 UTC] derick@php.net 
Works fine here.
 [2004-10-20 16:00 UTC] esartoni at omniaglobal dot net 
I'm sorry derick but here with v4.3.10-dev doesn't work!

I've also tried with Solaris (SPARC) with same results.
 [2004-10-20 17:58 UTC] mserra at consrav dot net 
$a=array(1,2,3,4,5);
foreach($a as $value) {
  echo $value."\n";
}

OUTPUT:
Array
Array
Array
Array
Array

EXPECTED:
1
2
3
4
5
 [2004-10-20 18:10 UTC] tony2001@php.net 
Works fine with latest snapshot (and other versions too).
 [2004-10-20 18:25 UTC] esartoni at omniaglobal dot net 
I've found the problem. The bug appears only when using Zend Optimizer v2.5.5
Disabling the optimizer makes the code working.

P.S.: This bug report is not bogus. :) Zend Optimizer is bogus!
 [2004-10-21 08:56 UTC] esartoni at omniaglobal dot net 
Try with Zend Optimizer 2.5.5 and let me know please. The bug is always there with php 4.3.10-dev.
 [2004-10-21 09:20 UTC] derick@php.net 
Report Zend optimizer related problems to the Zend people, this is not a bug in PHP so we mark it as bogus.
 
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