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Bug #64129 bug in in_array
Submitted: 2013-02-01 19:05 UTC Modified: 2013-02-01 19:17 UTC
From: email dot fivemin at gmail dot com Assigned:
Status: Not a bug Package: *General Issues
PHP Version: 5.3.3 OS: All
Private report: No CVE-ID: None
View Developer Edit
 [2013-02-01 19:05 UTC] email dot fivemin at gmail dot com 
Description:
------------
this code return 1
i have null member and null isn't zero!
<?
$t="1,2,";
$v=explode(",",$t);
print_r($v);
echo in_array(0,$v);
echo "\n";
?>

Test script:
---------------
<?
$t="1,2,";
$v=explode(",",$t);
print_r($v);
echo in_array(0,$v);
echo "\n";
?>

Expected result:
----------------
in_array function return 0

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 [2013-02-01 19:10 UTC] email dot fivemin at gmail dot com
-Operating System: linux +Operating System: All -PHP Version: 5.3Git-2013-02-01 (Git) +PHP Version: 5.3.3
 [2013-02-01 19:10 UTC] email dot fivemin at gmail dot com 
edit
 [2013-02-01 19:17 UTC] rasmus@php.net
-Status: Open +Status: Not a bug
 [2013-02-01 19:17 UTC] rasmus@php.net 
You want:
in_array(0,$v,true);
then. The code is behaving correctly because you are doing a non-strict search 
and you have and empty element which will match 0 with a non-strict match.
 
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