* Determine if a string is as valid IP address or network (CIDR prefix).
* SIIT IPv4-translated addresses are rejected.
* Note: canonicalize() tries to convert translated addresses to IPv4.
- * @param string $ip possible IP address
- * @return bool
+ *
+ * @param $ip String: possible IP address
+ * @return Boolean
*/
public static function isIPAddress( $ip ) {
return (bool)preg_match( '/^' . IP_ADDRESS_STRING . '$/', $ip );
/**
* Given a string, determine if it as valid IP in IPv6 only.
* Note: Unlike isValid(), this looks for networks too.
- * @param string $ip possible IP address
- * @return bool
+ *
+ * @param $ip String: possible IP address
+ * @return Boolean
*/
public static function isIPv6( $ip ) {
return (bool)preg_match( '/^' . RE_IPV6_ADD . '(\/' . RE_IPV6_PREFIX . '|)$/', $ip );
/**
* Given a string, determine if it as valid IP in IPv4 only.
* Note: Unlike isValid(), this looks for networks too.
- * @param string $ip possible IP address
- * @return bool
+ *
+ * @param $ip String: possible IP address
+ * @return Boolean
*/
public static function isIPv4( $ip ) {
return (bool)preg_match( '/^' . RE_IP_ADD . '(\/' . RE_IP_PREFIX . '|)$/', $ip );
* Validate an IP address. Ranges are NOT considered valid.
* SIIT IPv4-translated addresses are rejected.
* Note: canonicalize() tries to convert translated addresses to IPv4.
- * @param string $ip
- * @return boolean True if it is valid.
+ *
+ * @param $ip String
+ * @return Boolean: True if it is valid.
*/
public static function isValid( $ip ) {
return ( preg_match( '/^' . RE_IP_ADD . '$/', $ip )
* Validate an IP Block (valid address WITH a valid prefix).
* SIIT IPv4-translated addresses are rejected.
* Note: canonicalize() tries to convert translated addresses to IPv4.
- * @param string $ipblock
- * @return boolean True if it is valid.
+ *
+ * @param $ipblock String
+ * @return Boolean: True if it is valid.
*/
public static function isValidBlock( $ipblock ) {
return ( preg_match( '/^' . RE_IPV6_BLOCK . '$/', $ipblock )
* Convert an IP into a nice standard form.
* IPv6 addresses in octet notation are expanded to 8 words.
* IPv4 addresses are just trimmed.
- * @param string $ip IP address in quad or octet form (CIDR or not).
- * @return string
+ *
+ * @param $ip String: IP address in quad or octet form (CIDR or not).
+ * @return String
*/
public static function sanitizeIP( $ip ) {
$ip = trim( $ip );
/**
* Given an unsigned integer, returns an IPv6 address in octet notation
- * @param string $ip_int IP address.
- * @return string
+ *
+ * @param $ip_int String: IP address.
+ * @return String
*/
public static function toOctet( $ip_int ) {
return self::hexToOctet( wfBaseConvert( $ip_int, 10, 16, 32, false ) );
/**
* Convert an IPv4 or IPv6 hexadecimal representation back to readable format
- * @param string $hex number, with "v6-" prefix if it is IPv6
- * @return string quad-dotted (IPv4) or octet notation (IPv6)
+ *
+ * @param $hex String: number, with "v6-" prefix if it is IPv6
+ * @return String: quad-dotted (IPv4) or octet notation (IPv6)
*/
public static function formatHex( $hex ) {
if ( substr( $hex, 0, 3 ) == 'v6-' ) { // IPv6
/**
* Converts a hexadecimal number to an IPv6 address in octet notation
- * @param string $ip_hex pure hex (no v6- prefix)
- * @return string (of format a:b:c:d:e:f:g:h)
+ *
+ * @param $ip_hex String: pure hex (no v6- prefix)
+ * @return String (of format a:b:c:d:e:f:g:h)
*/
public static function hexToOctet( $ip_hex ) {
// Pad hex to 32 chars (128 bits)
/**
* Converts a hexadecimal number to an IPv4 address in quad-dotted notation
- * @param string $ip_hex pure hex
- * @return string (of format a.b.c.d)
+ *
+ * @param $ip_hex String: pure hex
+ * @return String (of format a.b.c.d)
*/
public static function hexToQuad( $ip_hex ) {
// Pad hex to 8 chars (32 bits)
* Determine if an IP address really is an IP address, and if it is public,
* i.e. not RFC 1918 or similar
* Comes from ProxyTools.php
- * @param string $ip
- * @return bool
+ *
+ * @param $ip String
+ * @return Boolean
*/
public static function isPublic( $ip ) {
if ( self::isIPv6( $ip ) ) {
/**
* Determine if an IPv6 address really is an IP address, and if it is public,
* i.e. not RFC 4193 or similar
- * @param string $ip
- * @return bool
+ *
+ * @param $ip String
+ * @return Boolean
*/
private static function isPublic6( $ip ) {
static $privateRanges = false;
* function for an IPv6 address will be prefixed with "v6-", a non-
* hexadecimal string which sorts after the IPv4 addresses.
*
- * @param string $ip Quad dotted/octet IP address.
- * @return string
+ * @param $ip String: quad dotted/octet IP address.
+ * @return String
*/
public static function toHex( $ip ) {
if ( self::isIPv6( $ip ) ) {
/**
* Given an IPv6 address in octet notation, returns a pure hex string.
- * @param string $ip octet ipv6 IP address.
- * @return string pure hex (uppercase)
+ *
+ * @param $ip String: octet ipv6 IP address.
+ * @return String: pure hex (uppercase)
*/
private static function IPv6ToRawHex( $ip ) {
$ip = self::sanitizeIP( $ip );
* Given an IP address in dotted-quad/octet notation, returns an unsigned integer.
* Like ip2long() except that it actually works and has a consistent error return value.
* Comes from ProxyTools.php
- * @param string $ip Quad dotted IP address.
- * @return mixed (string/int/false)
+ *
+ * @param $ip String: quad dotted IP address.
+ * @return Mixed: string/int/false
*/
public static function toUnsigned( $ip ) {
if ( self::isIPv6( $ip ) ) {
/**
* Convert a network specification in CIDR notation
* to an integer network and a number of bits
- * @param string $range IP with CIDR prefix
+ *
+ * @param $range String: IP with CIDR prefix
* @return array(int or string, int)
*/
public static function parseCIDR( $range ) {
* 2001:0db8:85a3::7344/96 CIDR
* 2001:0db8:85a3::7344 - 2001:0db8:85a3::7344 Explicit range
* 2001:0db8:85a3::7344 Single IP
- * @param string $range IP range
+ * @param $range String: IP range
* @return array(string, string)
*/
public static function parseRange( $range ) {
/**
* Convert a network specification in IPv6 CIDR notation to an
* integer network and a number of bits
+ *
* @return array(string, int)
*/
private static function parseCIDR6( $range ) {
/**
* Determine if a given IPv4/IPv6 address is in a given CIDR network
- * @param $addr The address to check against the given range.
- * @param $range The range to check the given address against.
- * @return bool Whether or not the given address is in the given range.
+ *
+ * @param $addr String: the address to check against the given range.
+ * @param $range String: the range to check the given address against.
+ * @return Boolean: whether or not the given address is in the given range.
*/
public static function isInRange( $addr, $range ) {
$hexIP = self::toHex( $addr );
* This currently only checks a few IPV4-to-IPv6 related cases. More
* unusual representations may be added later.
*
- * @param $addr something that might be an IP address
- * @return valid dotted quad IPv4 address or null
+ * @param $addr String: something that might be an IP address
+ * @return String: valid dotted quad IPv4 address or null
*/
public static function canonicalize( $addr ) {
if ( self::isValid( $addr ) ) {