Aaron is lazy, but right :)

[lhc/web/wiklou.git] / includes / IP.php

diff --git a/includes/IP.php b/includes/IP.php
index 312aaca..e5973c2 100644 (file)
--- a/includes/IP.php
+++ b/includes/IP.php
@@ -152,7 +152,7 @@ class IP {
        }
        
        /**
-        * Given an unsigned integer, returns an IPv6 address in octet notation
+        * Given a hexadecimal number, returns to an IPv6 address in octet notation
         * @param $ip string hex IP
         * @return string
         */
@@ -168,6 +168,23 @@ class IP {
                $ip_oct = preg_replace( '/(^|:)0+' . RE_IPV6_WORD . '/', '$1$2', $ip_oct );
                return $ip_oct;
        }
+       
+       /**
+        * Converts a hexadecimal number to an IPv4 address in octet notation
+        * @param $ip string Hex IP
+        * @return string
+        */ 
+       public static function hexToQuad( $ip ) {
+               // Converts a hexadecimal IP to nnn.nnn.nnn.nnn format
+               $dec = wfBaseConvert( $ip, 16, 10 );
+               $parts[3] = $dec % 256;
+               $dec /= 256;
+               $parts[2] = $dec % 256;
+               $dec /= 256;
+               $parts[1] = $dec % 256;
+               $parts[0] = $dec / 256;
+               return implode( '.', array_reverse( $parts ) );
+       }
 
        /**
         * Convert a network specification in IPv6 CIDR notation to an integer network and a number of bits