34

validateipaddress

validatehostname  |  validatelocale

validateipaddress.php
validate_ip_address
SYNOPSIS

validate_ip_address($ipaddress)

DESCRIPTION

validate_ip_address returns true if $ipaddress is a valid IPv4 address.

EXAMPLE
php > require 'library/validateipaddress.php';
php > var_dump(validate_ip_address('192.168.1.10'));
bool(true)
php > var_dump(validate_ip_address('2001:db8::1'));
bool(false)
CODE
  1. function validate_ip_address($ipaddress) {
  2.     return filter_var($ipaddress, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) !== false;
  3. }
SEE ALSO

clientipaddress

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