#26381 [Bgs->Opn]: rand() without srand() doesn't work
| From: | spam at vrana dot cz | Date: | Tue, 25 Nov 2003 08:38:43 +0000 |
| Subject: | #26381 [Bgs->Opn]: rand() without srand() doesn't work | ||
| References: | 1 | Groups: | php.bugs |
| Request: | Send a blank email to php-bugs+get-50963@lists.php.net to get a copy of this message | ||
ID: 26381
User updated by: spam at vrana dot cz
Reported By: spam at vrana dot cz
-Status: Bogus
+Status: Open
Bug Type: Math related
Operating System: Windows XP
PHP Version: 4.3.3
New Comment:
So this is a documentation problem because in rand() function
documentation is written:
As of PHP 4.2.0, there is no need to seed the random number generator
with srand() or mt_srand() as this is now done automatically.
Anyway, I think it's not a documentation bug because in other
environments it works as stated.
Previous Comments:
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[2003-11-24 20:01:53] iliaa@php.net
Thank you for taking the time to write to us, but this is not
a bug. Please double-check the documentation available at
http://www.php.net/manual/ and the instructions on how to
report
a bug at http://bugs.php.net/how-to-report.php
if you want trully random numbers you MUST call srand before rand().
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[2003-11-24 08:21:33] spam at vrana dot cz
Description:
------------
Function rand() without setting random seed by srand() returns always
the same value. It doesn't work only on Windows PHP-CLI. As Windows
Apache module and also on Linux PHP-CLI it works as it should.
Reproduce code:
---------------
echo rand();
Expected result:
----------------
(random value)
Actual result:
--------------
24849
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Edit this bug report at http://bugs.php.net/?id=26381&edit=1