hal

<?php# $ip   = gethostbyname('www.example.com');$ip   = '192.0.2.235';$long = ip2long($ip);$long2 = long2ip(ip2long($ip));if ($long == -1 || $long === FALSE) {    echo 'Invalid IP, please try again';} else {    echo "IP address:" . $ip   . "<br>";           // 192.0.34.166    echo $long . "<br>";           // -1073732954    printf("%u\n", ip2long($ip)). "<br>"; // 3221234342    echo $long2;}?>