php检测服务器的运作
发布时间：2022-01-19 00:33:08 所属栏目：PHP教程 来源：互联网
导读：// 检测函数支持 function isfun($funName) { return (false !== function_exists($funName))?支持:font color=red不支持/font; } //整数运算能力测试 function test_int() { $timeStart = gettimeofday(); for($i = 0; $i 3000000; $i++) { $t = 1+1; } $ti
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// 检测函数支持 function isfun($funName) { return (false !== function_exists($funName))?'支持':'<font color=red>不支持</font>'; } //整数运算能力测试 function test_int() { $timeStart = gettimeofday(); for($i = 0; $i < 3000000; $i++) { $t = 1+1; } $timeEnd = gettimeofday(); $time = ($timeEnd["usec"]-$timeStart["usec"])/1000000+$timeEnd["sec"]-$timeStart["sec"]; $time = round($time, 3)."秒"; return $time; } //浮点运算能力测试 function test_float() { //得到圆周率值 $t = pi(); $timeStart = gettimeofday(); for($i = 0; $i < 3000000; $i++) { //开平方 sqrt($t); } $timeEnd = gettimeofday(); $time = ($timeEnd["usec"]-$timeStart["usec"])/1000000+$timeEnd["sec"]-$timeStart["sec"]; $time = round($time, 3)."秒"; return $time; } //IO能力测试 function test_io() { $fp = @fopen(PHPSELF, "r"); $timeStart = gettimeofday(); for($i = 0; $i < 10000; $i++) { @fread($fp, 10240); @rewind($fp); } $timeEnd = gettimeofday(); @fclose($fp); $time = ($timeEnd["usec"]-$timeStart["usec"])/1000000+$timeEnd["sec"]-$timeStart["sec"]; $time = round($time, 3)."秒"; return($time); } （编辑：武汉站长网） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |
