#39456 [NEW]: Upgrade to 5.2 causes different behaviour array_multisort
| From: | ricardo dot matters at mindbench dot nl | Date: | Fri, 10 Nov 2006 09:36:48 +0000 |
| Subject: | #39456 [NEW]: Upgrade to 5.2 causes different behaviour array_multisort | ||
| Groups: | php.bugs | ||
| Request: | Send a blank email to php-bugs+get-104737@lists.php.net to get a copy of this message | ||
From: ricardo dot matters at mindbench dot nl
Operating system: debian cur 2.6.18-1-686-bigmem
PHP version: 5.2.0
PHP Bug Type: Arrays related
Bug description: Upgrade to 5.2 causes different behaviour array_multisort
Description:
------------
To sort an multidimensional array, I'm using a wrapper for
array_multisort. Was working just fine, but as from 5.2, nothing is being
sorted. Documentation lacks any information if array_multisort has been
changed.
Reproduce code:
---------------
function multisort() {
$n = func_num_args();
$ar = func_get_arg($n-1);
if (!is_array($ar))
return false;
for ($i = 0; $i < $n-1; $i++) {
$col[$i] = func_get_arg($i);
}
foreach($ar as $key => $val) {
foreach($col as $kkey => $vval) {
if (is_string($vval)) {
${"subar$kkey"}[$key] = $val[$vval];
}
}
}
foreach($col as $key => $val) {
$arv[] = (is_string($val) ? ${"subar$key"} : $val);
}
$arv[] = $ar;
call_user_func_array("array_multisort", $arv);
return $ar;
}
$ar = array(
array('id' => 1, 'weight' => 78, 'ts' => 123456),
array('id' => 1, 'weight' => 78, 'ts' => 123457),
array('id' => 1, 'weight' => 98, 'ts' => 134526),
array('id' => 1, 'weight' => 10, 'ts' => 112456),
array('id' => 1, 'weight' => 56, 'ts' => 177776)
);
print_r(multisort('weight', SORT_DESC, SORT_NUMERIC, 'ts', SORT_DESC,
SORT_NUMERIC, $ar));
Expected result:
----------------
Array
(
[0] => Array
(
[id] => 1
[weight] => 98
[ts] => 134526
)
[1] => Array
(
[id] => 1
[weight] => 78
[ts] => 123457
)
[2] => Array
(
[id] => 1
[weight] => 78
[ts] => 123456
)
[3] => Array
(
[id] => 1
[weight] => 56
[ts] => 177776
)
[4] => Array
(
[id] => 1
[weight] => 10
[ts] => 112456
)
)
Actual result:
--------------
Array
(
[0] => Array
(
[id] => 1
[weight] => 78
[ts] => 123456
)
[1] => Array
(
[id] => 1
[weight] => 78
[ts] => 123457
)
[2] => Array
(
[id] => 1
[weight] => 98
[ts] => 134526
)
[3] => Array
(
[id] => 1
[weight] => 10
[ts] => 112456
)
[4] => Array
(
[id] => 1
[weight] => 56
[ts] => 177776
)
)
--
Edit bug report at http://bugs.php.net/?id=39456&edit=1
--
Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=39456&r=trysnapshot44
Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=39456&r=trysnapshot52
Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=39456&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=39456&r=fixedcvs
Fixed in release: http://bugs.php.net/fix.php?id=39456&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=39456&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=39456&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=39456&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=39456&r=support
Expected behavior: http://bugs.php.net/fix.php?id=39456&r=notwrong
Not enough info: http://bugs.php.net/fix.php?id=39456&r=notenoughinfo
Submitted twice: http://bugs.php.net/fix.php?id=39456&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=39456&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=39456&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=39456&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=39456&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=39456&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=39456&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=39456&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=39456&r=mysqlcfg