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PHP calculation page execution time code

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Release： 2016-07-25 08:45:07

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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();
*/
?>

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执行时间, php

Related labels：

php计算页面执行时间代码

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