php計算頁面執行時間代碼

class c_Timer { var $t_start = 0; var $t_stop = 0; var $t_elapsed = 0; function start() { $this->t_start = microtime(); } function stop() { $this->t_stop = microtime(); } function elapsed() { if ($this->t_elapsed) { return $this->t_elapsed; } else { $start_u = substr($this->t_start,0,10); $start_s = substr($this->t_start,11,10); $stop_u = substr($this->t_stop,0,10); $stop_s = substr($this->t_stop,11,10); $start_total = doubleval($start_u) + $start_s; $stop_total = doubleval($stop_u) + $stop_s; $this->t_elapsed = $stop_total - $start_total; return $this->t_elapsed; } } }; /* Here's an example usage: $timer = new c_Timer; $timer->start(); echo ""; $timer->stop(); echo $timer->elapsed(); */ ?> 複製代碼

執行時間, php

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