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,计算代码运行时间

WBOY
WBOYOriginal
2016-06-13 12:32:20820browse

求助,计算代码运行时间

	$sTime=microtime();<br />
	$arr=Array(1,2,3,4);<br />
	foreach($arr as $a){<br />
		echo $a.'<br>';<br />
	}<br />
	$eTime=microtime();<br />
	echo $sTime;<br />
	echo $eTime;<br />
	$title=floatval($sTime-$eTime);<br />
	//echo $title;<br />


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