PHP 计算页面执行时间
<?php class runtime { var $StartTime = 0; var $StopTime = 0; function get_microtime() { list($usec, $sec) = explode('' '', microtime()); return ((float)$usec + (float)$sec); } function start() { $this->StartTime = $this->get_microtime(); } function stop() { $this->StopTime = $this->get_microtime(); } function spent() { return round(($this->StopTime - $this->StartTime) * 1000, 1); } } //例子 $runtime= new runtime; $runtime->start(); //你的代码开始 $a = 0; for($i=0; $i<1000000; $i++) { $a += $i; } //你的代码结束 $runtime->stop(); echo "页面执行时间: ".$runtime->spent()." 毫秒";
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