-
-
- 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();
-
- */
- ?>
-
|
执行时间, php
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