ip2bin()

Complexity

Conditions	5
Paths	5

Size

Total Lines	15
Code Lines	12

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

<?php
function ip2bin($ip)
{
    if(filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) !== false)
        return base_convert(ip2long($ip),10,2);
    if(filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) === false)
        return false;
    if(($ip_n = inet_pton($ip)) === false) return false;
    $bits = 15;
    $ipbin = '';
    while ($bits >= 0) {
        $bin = sprintf("%08b",(ord($ip_n[$bits])));
        $ipbin = $bin.$ipbin;
        $bits--;
    }
    return $ipbin;
}