<?php
$runtime_start = microtime(true); //程序开始处
$runtime_stop = microtime(true); //程序结尾处
echo "耗时: ".round($runtime_stop-$runtime_start,6)." second(s)";
2018-06-04 22:06:57
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<?php
$runtime_start = microtime(true); //程序开始处
$runtime_stop = microtime(true); //程序结尾处
echo "耗时: ".round($runtime_stop-$runtime_start,6)." second(s)";
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