format

[PHP-P10.git] / Uplink / Numerics.class.php

diff --git a/Uplink/Numerics.class.php b/Uplink/Numerics.class.php
index 55db20977a6b0ecc3042f3def2753f4a984bb0b0..0a979e13c7b8887bb8fa2e631dd254cf7b30f246 100644 (file)
--- a/Uplink/Numerics.class.php
+++ b/Uplink/Numerics.class.php
@@ -1,12 +1,10 @@
 <?php
-/********************************* PHP-P10 ******************************
- *    P10 uplink class by pk910   (c)2011 pk910                         *
- ************************************************************************
- *                          Version 2 (OOP)                             *
+/******************************* PHP-P10 v2 *****************************
+ * Copyright (C) 2011-2012  Philipp Kreil (pk910)                       *
  *                                                                      *
- * PHP-P10 is free software; you can redistribute it and/or modify      *
+ * This program is free software: you can redistribute it and/or modify *
  * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or    *
+ * the Free Software Foundation, either version 3 of the License, or    *
  * (at your option) any later version.                                  *
  *                                                                      *
  * This program is distributed in the hope that it will be useful,      *
@@ -15,23 +13,14 @@
  * GNU General Public License for more details.                         *
  *                                                                      *
  * You should have received a copy of the GNU General Public License    *
- * along with PHP-P10; if not, write to the Free Software Foundation,   *
- * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.       *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
  *                                                                      *
  ************************************************************************
- * 
+ *
  *  Uplink/Numerics.class.php
  *
  * P10 numeric functions
  *
- ************************************************************************
- * accessable functions
- *
- * static String intToNum(int $int, int $length)
- *     returns the numeric representing $int
- *
- * static int numToInt(String $numeric)
- *     returns the integer value, the numeric represents
  */
 
 class Numerics {
@@ -40,44 +29,38 @@ class Numerics {
          'Q','R','S','T','U','V','W','X','Y','Z','a','b','c','d','e','f',
          'g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v',
          'w','x','y','z','0','1','2','3','4','5','6','7','8','9','[',']'
-       );
-       private static $base64charsLength = 64;
-       
-       public static function intToNum($int, $length) {
-               //fix a small "bug": normaly 0 = AAAAA but we need 1 = AAAAA
-               $int = $int - 1;
-               
-               $numeric = "";
-               for($pos = $length-1; $pos >= 0; $pos--) {
-                       //current position represents floor($int / ($base64charsLength ^ $pos))
-                       $base = 1;
-                       for($i = 0; $i < $pos; $i++) {
-                               $base = $base * self::$base64charsLength;
-                       }
-                       $posValue = floor($int / $base);
-                       //get the char representing $posValue
-                       $posChar = self::$base64chars[$posValue];
-                       $numeric .= $posChar;
-               }
-               
-               return $numeric;
-       }
-       
-       public static function numToInt($numeric) {
-               $base = 1;
-               $int = 0;
-               for($pos = strlen($numeric)-1; $pos >= 0; $pos--) {
-                       $posValue = array_search($numeric[$pos], self::$base64chars);
-                       $int = ($posValue * $base);
-                       $base = $base * self::$base64charsLength;
-               }
-               
-               //fix a small "bug": normaly 0 = AAAAA but we need 1 = AAAAA
-               $int = $int + 1;
-               
-               return $int;
-       }
-       
+         );
+         private static $base64charsLength = 64;
+
+         public static function intToNum($int, $length) {
+               $numeric = "";
+               for($pos = $length-1; $pos >= 0; $pos--) {
+                       //current position represents floor($int / ($base64charsLength ^ $pos))
+                       $base = 1;
+                       for($i = 0; $i < $pos; $i++) {
+                               $base = $base * self::$base64charsLength;
+                       }
+                       $posValue = floor($int / $base);
+                       $int -= $posValue * $base;
+                       //get the char representing $posValue
+                       $posChar = self::$base64chars[$posValue];
+                       $numeric .= $posChar;
+               }
+
+               return $numeric;
+         }
+
+         public static function numToInt($numeric) {
+               $base = 1;
+               $int = 0;
+               for($pos = strlen($numeric)-1; $pos >= 0; $pos--) {
+                       $posValue = array_search($numeric[$pos], self::$base64chars);
+                       $int = ($posValue * $base);
+                       $base = $base * self::$base64charsLength;
+               }
+               return $int;
+         }
+
 }
 
 ?>
\ No newline at end of file