测试PHP程序运行时间
<?php$stime=microtime(true); //获取程序开始执行的时间
echo "本PHP程序的运行时间为";
$etime=microtime(true);//获取程序执行结束的时间
$total=$etime-$stime; //计算差值
$str_total = var_export($total, TRUE);
if(substr_count($str_total,"E")){
$float_total = floatval(substr($str_total,5));
$total = $float_total/100000;
echo "$total".'秒';
}
?>
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