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Bug #53409 sleep() return NULL
Submitted: 2010-11-25 22:45 UTC Modified: 2010-11-26 19:27 UTC
From: webmaster at skarmflyg dot org Assigned: pajoye (profile)
Status: Closed Package: Unknown/Other Function
PHP Version: 5.3.3 OS: pajoye
Private report: No CVE-ID: None
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 [2010-11-25 22:45 UTC] webmaster at skarmflyg dot org 
Description:
------------
---
From manual page: http://www.php.net/function.sleep#Return Values
---
Sleep should return int or possibly boolean false but returns NULL.

Using 
PHP 5.3.3 
Apache 2.2.6
Windows XP SP3

Test script:
---------------
$x=sleep(1);
var_dump($x);  // Outputs NULL. Expected int 0.

Expected result:
----------------
According to documentation $x should be integer 0 or possibly false.

Actual result:
--------------
Variable $x becomes NULL.

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 [2010-11-25 23:57 UTC] pajoye@php.net
-Status: Open +Status: To be documented
 [2010-11-25 23:57 UTC] pajoye@php.net 
Sleep on windows returns nothing as well as some other platforms.

The result of sleep is actually platform dependent (NULL/FALSE or 0/FALSE).
 [2010-11-26 10:17 UTC] aharvey@php.net
-Status: To be documented +Status: Assigned -Type: Bug +Type: Documentation Problem -Package: Unknown/Other Function +Package: Documentation problem -Assigned To: +Assigned To: aharvey
 [2010-11-26 10:19 UTC] aharvey@php.net 
Automatic comment from SVN on behalf of aharvey
Revision: http://svn.php.net/viewvc/?view=revision&revision=305764
Log: Fix doc bug #53409 (sleep() return NULL).
 [2010-11-26 10:19 UTC] aharvey@php.net
-Status: Assigned +Status: Closed
 [2010-11-26 10:19 UTC] aharvey@php.net 
This bug has been fixed in the documentation's XML sources. Since the
online and downloadable versions of the documentation need some time
to get updated, we would like to ask you to be a bit patient.

Thank you for the report, and for helping us make our documentation better.
 [2010-11-26 12:44 UTC] bjori@php.net
-Status: Closed +Status: Re-Opened -Type: Documentation Problem +Type: Bug -Package: Documentation problem +Package: Unknown/Other Function -Operating System: Windows XP +Operating System: pajoye -Assigned To: aharvey +Assigned To: pajoye
 [2010-11-26 12:44 UTC] bjori@php.net 
After quick discussion on IRC;
Windows does actually have a way to provide the same functionality as, f.e., 
Linux by using SleepEx().

Re-classifying as php-src bug & assign to Pierre.
 [2010-11-26 19:25 UTC] pajoye@php.net 
Automatic comment from SVN on behalf of pajoye
Revision: http://svn.php.net/viewvc/?view=revision&revision=305778
Log: - Fixed #53409, sleep() return NULL on Windows
 [2010-11-26 19:27 UTC] pajoye@php.net
-Status: Re-Opened +Status: Closed
 [2010-11-26 19:27 UTC] pajoye@php.net 
Fixed in 5.3 and trunk
 
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