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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