Edit report at http://bugs.php.net/bug.php?id=47623&edit=1
ID: 47623
Comment by: whatrevolution at yahoo dot com
Reported by: Henry at huis-stijl dot nl
Summary: array_shift() fails with @ operator
Status: Verified
Type: Bug
Package: Scripting Engine problem
Operating System: *
PHP Version: 5.*, 6CVS (2009-04-30)
New Comment:
<?php
$_SESSION['villas'] = array
(
1 => array(1,2,3),
2 => array(2,3,4),
3 => array(3,4,5),
4 => array(4,5,6),
);
/*
* ONE:
*/
/*
While(@$_SESSION['villas'] != array())
{
$row = array_shift(@$_SESSION['villas']);
print_r($row);
}// einde while
*/
/*
* TWO:
*/
/*
while($foo['villas'] != array())
{
$row = array_shift(@$foo['villas']); // Removing @ makes it work..
var_dump($foo);
}
*/
/*
* THREE:
*/
//I cann bypass this failure by using:
$arr_temp = @$_SESSION['villas'];
$row = array_shift($arr_temp);
$_SESSION['villas'] = $arr_temp;
unset($arr_temp);
var_dump($_SESSION['villas']);
?>
Result:
One and Two, same as described before.
Three:
array
0 =>
array
0 => int 2
1 => int 3
2 => int 4
1 =>
array
0 => int 3
1 => int 4
2 => int 5
2 =>
array
0 => int 4
1 => int 5
2 => int 6
PHP Version 5.2.10-2ubuntu6.4
System Linux 2.6.31-20-generic x86_64
Build Date Jan 6 2010 22:36:47
Server API Apache 2.0 Handler
PHP API 20041225
PHP Extension 20060613
Zend Extension 220060519
Debug Build no
Thread Safety disabled
Zend Memory Manager enabled
Apache/2.2.12 (Ubuntu)
Previous Comments:
------------------------------------------------------------------------
[2009-04-13 18:23:01] jani@php.net
This has nothing to do with sessions. Simplified script:
<?php
$foo['villas'] = array('a','b','c');
while($foo['villas'] != array())
{
$row = array_shift(@$foo['villas']); // Removing @ makes it work..
var_dump($foo);
}
?>
------------------------------------------------------------------------
[2009-03-16 22:11:28] Henry at huis-stijl dot nl
Tried with and without the @ same output.
------------------------------------------------------------------------
[2009-03-16 16:26:07] jani@php.net
If you remove those @'s, what does it output..?
------------------------------------------------------------------------
[2009-03-11 14:07:22] Henry at huis-stijl dot nl
<?php
session_start();
ini_set('session.cache_limiter', 'private');
// © 2009 Huis-stijl, Henry Hekman
$_SESSION['villas'] = array
(
1 => array(1,2,3),
2 => array(2,3,4),
3 => array(3,4,5),
4 => array(4,5,6),
);
While(@$_SESSION['villas'] != array())
{
$row = array_shift(@$_SESSION['villas']);
print_r($row);
}// einde while
?>
on php 4 i get
Array ( [0] => 1 [1] => 2 [2] => 3 ) Array ( [0] => 2 [1] => 3 [2] => 4
) Array ( [0] => 3 [1] => 4 [2] => 5 ) Array ( [0] => 4 [1] => 5 [2] =>
6 )
on phph 5.2.9 i get a loop that doesnt end
Array ( [0] => 1 [1] => 2 [2] => 3 ) Array ( [0] => 1 [1] => 2 [2] => 3
) Array ( [0] => 1 [1] => 2 [2] => 3 ) Array ( [0] => 1 [1] => 2 [2] =>
3 ) Array ( [0] => 1 [1] => 2 [2] => 3 ) Array ( [0] => 1 [1] => 2 [2]
=> 3 ) Array ( [0] => 1 [1] => 2 [2] => 3 ) Array ( [0] => 1 [1] => 2
[2] => 3 ) Array ( [0] => 1 [1] => 2 [2] => 3 ) Array ( [0] => 1 [1] =>
2 [2] => 3 ) Array ( [0] => 1 [1] => 2 [2] => 3 ) Array ( [0] => 1 [1]
=> 2 [2] => 3 ) Array ( [0] => 1 [1] => 2 [2] => 3 )
------------------------------------------------------------------------
[2009-03-11 12:56:34] Henry at huis-stijl dot nl
Description:
------------
Script was working perfectly on PHP 4 when updated to PHP5.2.9 I found
an error. I was filling a array in the session and looped it with
array_shift until the arry was empty.
This loop kept giving me the first value but did not erased it from te
original arry.
Reproduce code:
---------------
$row = array_shift(@$_SESSION['villas']);
Expected result:
----------------
1. $row getting the first element from $_SESSION['villas']
2. $_SESSION['villas'] to get lost the first element.
Actual result:
--------------
1. $row getting the first element from $_SESSION['villas']
2. $_SESSION['villas'] did not lost the first element and was unchanged
I cann bypass this failure by using:
$arr_temp = @$_SESSION['villas'];
$row = array_shift($arr_temp);
$_SESSION['villas'] = $arr_temp;
unset($arr_temp);
------------------------------------------------------------------------
--
Edit this bug report at http://bugs.php.net/bug.php?id=47623&edit=1