microtime

阅读数：935 发布时间：2016-07-18 16:29:37

作者：gsh 标签： php


<?php
/**
* Simple function to replicate PHP 5 behaviour
*/
function microtime_float()
{
  list($usec, $sec) = explode(" ", microtime());
  return ((float)$usec + (float)$sec);
}
$time_start = microtime_float();
// Sleep for a while
usleep(100);
$time_end = microtime_float();
$time = $time_end - $time_start;
echo "Did nothing in $time seconds/n";
?>