PHP 获取 ping 时间的实现方法

　　PHP 可以通过exec函数执行shell命令，来获取ping时间。

　　代码示例：

　　 echo PHP_INT_MAX : . PHP_INT_MAX . <br><br>; $ip = 115.29.237.28; // IP地址 if (PATH_SEPARATOR==:) // linux { echo I am linux . <br><br>; exec(ping -c 3 -w 5 $ip, $info); echo linux info : . <br>; print_r($info); $ping_time_line = end($info); echo <br><br>ping_time_line : . $ping_time_line . <br><br>; $ping_time = explode(=, $ping_time_line)[1]; $ping_time_min = explode(/, $ping_time)[0] / 1000.0; $ping_time_avg = explode(/, $ping_time)[1] / 1000.0; $ping_time_max = explode(/, $ping_time)[2] / 1000.0; echo $ping_time_min . . $ping_time_avg . . $ping_time_max . <br><br>; } else // windows { echo I am windows . <br><br>; exec(ping -c 3 -w 5 $ip, $info); echo windows info : . <br>; print_r($info); $info_time = end($info); echo <br><br>info_time : . $info_time . <br><br>; }

　　运行结果：

　　 PHP_INT_MAX : 9223372036854775807

　　I am linux

　　linux info :

　　Array ( [0] => PING 115.29.237.28 (115.29.237.28) 56(84) bytes of data. [1] => 64 bytes from 115.29.237.28: icmp_seq=1 ttl=52 time=26.1 ms [2] => 64 bytes from 115.29.237.28: icmp_seq=2 ttl=52 time=27.5 ms [3] => 64 bytes from 115.29.237.28: icmp_seq=3 ttl=52 time=25.2 ms [4] => [5] => — 115.29.237.28 ping statistics — [6] => 3 packets transmitted, 3 received, 0% packet loss, time 2002ms [7] => rtt min/avg/max/mdev = 25.280/26.339/27.590/0.970 ms )

　　ping_time_line : rtt min/avg/max/mdev = 25.280/26.339/27.590/0.970 ms

　　0.02528 0.026339 0.02759

　　获取Ping时间封装成函数

　　 function ping_time($ip) { $ping_cmd = ping -c 3 -w 5 . $ip; exec($ping_cmd, $info); $ping_time_line = end($info); $ping_time = explode(=, $ping_time_line)[1]; $ping_time_min = explode(/, $ping_time)[0] / 1000.0; $ping_time_avg = explode(/, $ping_time)[1] / 1000.0; $ping_time_max = explode(/, $ping_time)[2] / 1000.0; $result = array(); $result[ping_min] = $ping_time_min; $result[ping_avg] = $ping_time_avg; $result[ping_max] = $ping_time_max; print_r($result); } ping_time(115.29.237.28);

　　运行结果：

　　 Array ( [ping_min] => 0.025497 [ping_avg] => 0.025947 [ping_max] => 0.026753 )

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