pfSense

        /* split the line by space */

        $data = explode(" ", $leases_content[$i]);

        /* walk the fields */

        $f = 0;

        $fcount = count($data);

        /* with less then 20 fields there is nothing useful */

        if($fcount < 20) {

                $i++;

                continue;

        }

        while($f < $fcount) {

                switch($data[$f]) {

                        case "failover":

                                $pools[$p]['name'] = $data[$f+2];

                                $pools[$p]['mystate'] = $data[$f+7];

                                $pools[$p]['peerstate'] = $data[$f+14];

                                $pools[$p]['mydate'] = $data[$f+10];

                                $pools[$p]['mydate'] .= " " . $data[$f+11];

                                $pools[$p]['peerdate'] = $data[$f+17];

                                $pools[$p]['peerdate'] .= " " . $data[$f+18];

                                $p++;

                                $i++;

                                continue 3;

                        case "lease":

                                $leases[$l]['ip'] = $data[$f+1];

                                $leases[$l]['type'] = "dynamic";

                                $f = $f+2;

                                break;

                        case "starts":

                                $leases[$l]['start'] = $data[$f+2];

                                $leases[$l]['start'] .= " " . $data[$f+3];

                                $f = $f+3;

                                break;

                        case "ends":

                                $leases[$l]['end'] = $data[$f+2];

                                $leases[$l]['end'] .= " " . $data[$f+3];

                                $f = $f+3;

                                break;

                        case "tstp":

                                $f = $f+3;

                                break;

                        case "tsfp":

                                $f = $f+3;

                                break;

                        case "atsfp":

                                $f = $f+3;

                                break;

                        case "cltt":

                                $f = $f+3;

                                break;

                        case "binding":

                                switch($data[$f+2]) {

                                        case "active":

                                                $leases[$l]['act'] = "active";

                                                break;

                                        case "free":

                                                $leases[$l]['act'] = "expired";

                                                $leases[$l]['online'] = "offline";

                                                break;

                                        case "backup":

                                                $leases[$l]['act'] = "reserved";

                                                $leases[$l]['online'] = "offline";

                                                break;

                                }

                                $f = $f+1;

                                break;

                        case "next":

                                /* skip the next binding statement */

                                $f = $f+3;

                                break;

                        case "hardware":

                                $leases[$l]['mac'] = $data[$f+2];

                                /* check if it's online and the lease is active */

                                if($leases[$l]['act'] == "active") {

                                        $online = exec("/usr/sbin/arp -an |/usr/bin/awk '/{$leases[$l]['ip']}/ {print}'|wc -l");

                                        if ($online == 1) {

                                                $leases[$l]['online'] = 'online';

                                        } else {

                                                $leases[$l]['online'] = 'offline';

                                        }

                                }

                                $f = $f+2;

                                break;

                        case "client-hostname":

                                if($data[$f+1] <> "") {

                                        $leases[$l]['hostname'] = preg_replace('/"/','',$data[$f+1]);

                                } else {

                                        $hostname = gethostbyaddr($leases[$l]['ip']);

                                        if($hostname <> "") {

                                                $leases[$l]['hostname'] = $hostname;

                                        }

                                }

                                $f = $f+1;

                                break;

                        case "uid":

                                $f = $f+1;

                                break;

                }

                $f++;

        }

        $l++;

        $i++;

        $leases = remove_duplicate($leases,"ip");

        $pools = remove_duplicate($pools,"name");

        asort($pools);

function _getHostName($mac,$ip)

{