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Bug #46093 array pointer is different from other versions
Submitted: 2008-09-16 11:46 UTC Modified: 2008-10-08 18:13 UTC
From: home at oxwiz dot com Assigned:
Status: Not a bug Package: Arrays related
PHP Version: 5.2.6 OS: CentOS release 4.6 (Final)
Private report: No CVE-ID: None
 [2008-09-16 11:46 UTC] home at oxwiz dot com
Description:
------------
I know that the array pointer doing...
if passing arrays to functions, the pointer of the argument(within the function) is set to First.
and after the foreach, the pointer is set to First; 

But, some version of PHP (like 5.2.6 and 5.2.7-dev) array pointer is different from other version.
Also, I ever seen it within one of early version of 5.2.6.

test result... 
expected result: 5.0.4(FC 4) , 5.1.6(centos 5)  
actual result:   5.2.6(centos 4.6) , 5.2.7-dev(centos 4.6)

Reproduce code:
---------------
<?
echo "PHP VER. ".phpversion()."<br><br>";
$a = array('aa'=>'aa','bb'=>'bb','cc'=>'cc');
$aa = array('a'=>$a,'b'=>$a,'c'=>$a);
function testLoop($datas) {
    while (is_array($datas) && list($dk,$data) = each($datas)){
        echo $dk ."<br>";
    }
}

//next ($aa);
foreach ($aa as $ak=>$av) unset ($aa[$ak]['bb']);
list($k,$v) = each($aa);
echo "$k , $v <br>";
echo "testLoop : unexpected result<br>";
testLoop($aa);
echo "<br>rest & testLoop : expected result<br>";
reset($aa);
testLoop($aa);
?>

Expected result:
----------------
PHP VER. 5.0.4

a , Array 
testLoop : unexpected result
a
b
c

rest & testLoop : expected result
a
b
c


Actual result:
--------------
PHP VER. 5.2.6

b , Array 
testLoop : unexpected result
c

rest & testLoop : expected result
a
b
c


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 [2008-10-08 18:13 UTC] jani@php.net
Pre 5.2.6 result is the unexpected one.
 
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