<?php
/**
* 測試php執行時間
*/
function microtime_float()
{
list($usec, $sec) = explode(" ", microtime());
return ((float)$usec + (float)$sec);
}
$time_start = microtime_float();
//休息一下或程式碼放這裡
usleep(100);
$time_end = microtime_float();
$time = $time_end - $time_start;
echo "執行時間".$time.'秒<br />';