#19343 [Opn->Bgs]: array_rand does not return keys randomly
| From: | iliaa@php.net | Date: | Wed, 18 Sep 2002 03:08:34 +0000 |
| Subject: | #19343 [Opn->Bgs]: array_rand does not return keys randomly | ||
| References: | 1 | Groups: | php.bugs |
| Request: | Send a blank email to php-bugs+get-19593@lists.php.net to get a copy of this message | ||
ID: 19343
Updated by: iliaa@php.net
Reported By: catch@sonaware.net
-Status: Open
+Status: Bogus
Bug Type: Arrays related
Operating System: WinXP
PHP Version: 4.2.3
New Comment:
Sorry, but the bug system is not the appropriate forum for asking
support questions. Your problem does not imply a bug in PHP itself.
For a list of more appropriate places to ask for help using PHP,
please visit http://www.php.net/support.php
Thank you for your interest in PHP.
I've tried this a few dosen times and the results were quite random.
Please keep in mind that with a small array, such as the one in your
example, there are only 24 possible combinations. Which means, that on
average every 24th run you'll get an 'unsorted' array.
Previous Comments:
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[2002-09-10 14:09:42] catch@sonaware.net
I called array_rand($my_array, count($my_array)). I expected array_rand
to return the keys of $my_array in random order. I actually received
the keys in almost the same order each time. $my_array was a 4 element
array and the third element's key never changed position. I tried using
srand also, but it produced same results. On an older version of
php(4.1.2) the function worked as expected.
script on WinXP php4.2.3:
$numbers = range (1,4);
$rand_keys = array_rand ($numbers, count($numbers));
foreach ($rand_keys as $val) {
print $numbers[$val]."\n";
}
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Edit this bug report at http://bugs.php.net/?id=19343&edit=1