<?php<br /> $ip_address=”123.456.789.0″; // IP address you’d like to ping.<br /> exec(“ping -c 1 ” . $ip_address . ” | head -n 2 | tail -n 1 | awk ‘{print $7}'”, $ping_time);<br /> print $ping_time[0]; // First item in array, since exec returns an array.<br /> ?>

exec(“ping “.$ip, $output, $status);<br /> // $ip: desired ip address<br /> // $output: result messages from the ping<br /> // $status: result status code from the ping<br /> // 0: success<br /> // 1: no response<br /> // 2: other errors