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php计算脚本执行时间

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PHP中文网Original
2016-06-23 14:38:37783browse

利用PHP的microtime实现

function getCurrentTime ()  {  
    list ($msec, $sec) = explode(" ", microtime());  
    return (float)$msec + (float)$sec;  
}

如何使用

$begin = getCurrentTime();  
sleep(10);  
$end = getCurrentTime();  
$spend = $end - $begin;  
echo "脚本执行时间为:".$spend."\n";


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