Bug #64085 [Opn->Fbk]: microtime(true) undervalued

Edit report at https://bugs.php.net/bug.php?id=64085&edit=1 ID: 64085 Updated by: sixd@php.net Reported by: bugzilla77 at gmail dot com Summary: microtime(true) undervalued -Status: Open +Status: Feedback Type: Bug Package: Date/time related Operating System: Windows 7 x86/x64 PHP Version: 5.5.0alpha4 Block user comment: N Private report: N New Comment: Regardless of whether it makes sense to compare the two functions, or regardless of whatever Windows system calls the two functions expose, I'd expect time1-time2 to be negative. Please review the testcase and clarify the problem description. Previous Comments: ------------------------------------------------------------------------ [2013-01-27 19:03:58] bugzilla77 at gmail dot com Description: ------------ This bug is inaugurated in PHP 5.5: microtime(true) is undervalued up to several seconds! The difference increases in time to work the server (after a few days more than 10 seconds). I am watching now test script -5.2 seconds, after Apache restart difference is positive. I am using Apache 2.2 module on Windows 7 x86/x64. Test script: --------------- microtime(true): <?=$mt=microtime(true)?><br/> time(): <?=$t=time()?><br/><br/> microtime(true) - time(): <?=$mt-$t?><br/><br/> difference should be greater than zero and less than one Expected result: ---------------- PHP 5.4: microtime(true) >= time() microtime(true): 1359313026.5983 time(): 1359313026 microtime(true) - time(): 0.59834909439087 difference should be greater than zero and less than one Actual result: -------------- PHP 5.5: microtime(true) < time() microtime(true): 1359312493.8386 time(): 1359312499 microtime(true) - time(): -5.1614379882812 difference should be greater than zero and less than one ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=64085&edit=1