note 59008 added to function.sleep

Sleep sometimes does not run for the EXACT amount of time specified. <?php $st = array_sum (explode (' ', microtime ())); sleep (1); echo round ((array_sum (explode (' ',microtime ())) - $st), 7); ?> On three trials, this returned 0.9998388 0.9999161 1.001672 ---- Manual Page -- http://www.php.net/manual/en/function.sleep.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+59008 Delete: added to the manual -- http://master.php.net/manage/user-notes.php?action=delete+59008&report=yes&reason=added+to+the+manual Delete: bad code -- http://master.php.net/manage/user-notes.php?action=delete+59008&report=yes&reason=bad+code Delete: spam -- http://master.php.net/manage/user-notes.php?action=delete+59008&report=yes&reason=spam Delete: useless -- http://master.php.net/manage/user-notes.php?action=delete+59008&report=yes&reason=useless Delete: non-english -- http://master.php.net/manage/user-notes.php?action=delete+59008&report=yes&reason=non-english Delete: already in docs -- http://master.php.net/manage/user-notes.php?action=delete+59008&report=yes&reason=already+in+docs Delete: other reasons -- http://master.php.net/manage/user-notes.php?action=delete+59008&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+59008&report=yes Search -- http://master.php.net/manage/user-notes.php