inet_pton
Type:
function
Déclaration:
string inet_pton(string $adress)
Examples:
// ipv4, 32 bits, bigendian
$in_addr = inet_pton('127.0.0.1');
// ord($in_addr{0}) == 127
// ord($in_addr{3}) == 1
// 128 bits ipv6 + ipv4 aka IPv4-mapped
// https://tools.ietf.org/html/rfc2765#section-2.1
$in_addr = inet_pton('::ffff:127.0.0.1');