php 页面执行时长

<?php
/**
 * 得到微妙.
 *
 * @return float
 *
 * @author yzm
 */
function microtime_float()
{
    list($usec, $sec) = explode(" ", microtime());
    return ((float)$usec + (float)$sec);
}



$startTime = microtime_float();

-----代码--------

$endTime = microtime_float();

echo "执行时长:".($endTime-$startTime)

?>

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转载自blog.csdn.net/mengzuchao/article/details/81252199
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