PHP ʖ²ἯTH
º/A
microtime
˵÷
=ד 1. microtime() =ד
function getmicrotime(){ list($usec, $sec) = explode(" ",microtime()); return ((float)$usec + (float)$sec);} $time_start = getmicrotime(); for ($i=0; $i 1000; $i++){ //do nothing, 1000 times} $time_end = getmicrotime(); $time = $time_end - $time_start; echo "Did nothing in $time seconds";
º/A
ưµ㼯A
localtime
ɏһ¼¶
mktime