<?php
// ----------------------------------------------------------------------
// Copyright (C) 2006 by Khaled Al-Shamaa.
// http://www.al-shamaa.com/
// ----------------------------------------------------------------------
// LICENSE

// This program is open source product; you can redistribute it and/or
// modify it under the terms of the GNU General Public License (GPL)
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// To read the license please visit http://www.gnu.org/copyleft/gpl.html
// ----------------------------------------------------------------------
// Class Name: Arabic Character Set Converter
// Filename:   ArCharsetC.class.php
// Original    Author(s): Khaled Al-Sham'aa <hide@address.com>
// Purpose:    Convert a given Arabic string from one Arabic character set to another, 
//             those available character sets includes the most popular three: 
//             Windows-1256, ISO 8859-6, and UTF-8
// ----------------------------------------------------------------------

class ArCharsetC {

     var $windows1256 = array();
     var $iso88596 = array();
     var $utf8 = array();

     function ArCharsetC(){
        $this->windows1256[0]  = 'Ð';
        $this->windows1256[1]  = 'Ï';
        $this->windows1256[2]  = 'Ì';
        $this->windows1256[3]  = 'Í';
        $this->windows1256[4]  = 'Î';
        $this->windows1256[5]  = 'å';
        $this->windows1256[6]  = 'Ú';
        $this->windows1256[7]  = 'Û';
        $this->windows1256[8]  = 'Ý';
        $this->windows1256[9]  = 'Þ';
        $this->windows1256[10] = 'Ë';
        $this->windows1256[11] = 'Õ';
        $this->windows1256[12] = 'Ö';
        $this->windows1256[13] = 'Ø';
        $this->windows1256[14] = 'ß';
        $this->windows1256[15] = 'ã';
        $this->windows1256[16] = 'ä';
        $this->windows1256[17] = 'Ê';
        $this->windows1256[18] = 'Ç';
        $this->windows1256[19] = 'á';
        $this->windows1256[20] = 'È';
        $this->windows1256[21] = 'í';
        $this->windows1256[22] = 'Ó';
        $this->windows1256[23] = 'Ô';
        $this->windows1256[24] = 'Ù';
        $this->windows1256[25] = 'Ò';
        $this->windows1256[26] = 'æ';
        $this->windows1256[27] = 'É';
        $this->windows1256[28] = 'ì';
        $this->windows1256[29] = 'Ñ';
        $this->windows1256[30] = 'Ä';
        $this->windows1256[31] = 'Á';
        $this->windows1256[32] = 'Æ';
        $this->windows1256[33] = 'ø';
        $this->windows1256[34] = 'ó';
        $this->windows1256[35] = 'ð';
        $this->windows1256[36] = 'ñ';
        $this->windows1256[37] = 'Å';
        $this->windows1256[38] = 'ö';
        $this->windows1256[39] = 'ò';
        $this->windows1256[40] = 'Ã';
        $this->windows1256[41] = 'Ü';
        $this->windows1256[42] = '¡';
        $this->windows1256[43] = 'ú';
        $this->windows1256[44] = 'Â';
        $this->windows1256[45] = ',';
        $this->windows1256[46] = '.';
        $this->windows1256[47] = '¿';

        $this->iso88596[0]  = 'Ð';
        $this->iso88596[1]  = 'Ï';
        $this->iso88596[2]  = 'Ì';
        $this->iso88596[3]  = 'Í';
        $this->iso88596[4]  = 'Î';
        $this->iso88596[5]  = 'ç';
        $this->iso88596[6]  = 'Ù';
        $this->iso88596[7]  = 'Ú';
        $this->iso88596[8]  = 'á';
        $this->iso88596[9]  = 'â';
        $this->iso88596[10] = 'Ë';
        $this->iso88596[11] = 'Õ';
        $this->iso88596[12] = 'Ö';
        $this->iso88596[13] = '×';
        $this->iso88596[14] = 'ã';
        $this->iso88596[15] = 'å';
        $this->iso88596[16] = 'æ';
        $this->iso88596[17] = 'Ê';
        $this->iso88596[18] = 'Ç';
        $this->iso88596[19] = 'ä';
        $this->iso88596[20] = 'È';
        $this->iso88596[21] = 'ê';
        $this->iso88596[22] = 'Ó';
        $this->iso88596[23] = 'Ô';
        $this->iso88596[24] = 'Ø';
        $this->iso88596[25] = 'Ò';
        $this->iso88596[26] = 'è';
        $this->iso88596[27] = 'É';
        $this->iso88596[28] = 'é';
        $this->iso88596[29] = 'Ñ';
        $this->iso88596[30] = 'Ä';
        $this->iso88596[31] = 'Á';
        $this->iso88596[32] = 'Æ';
        $this->iso88596[33] = 'ñ';
        $this->iso88596[34] = 'î';
        $this->iso88596[35] = 'ë';
        $this->iso88596[36] = 'ì';
        $this->iso88596[37] = 'Å';
        $this->iso88596[38] = 'ð';
        $this->iso88596[39] = 'í';
        $this->iso88596[40] = 'Ã';
        $this->iso88596[41] = 'à';
        $this->iso88596[42] = '¬';
        $this->iso88596[43] = 'ò';
        $this->iso88596[44] = 'Â';
        $this->iso88596[45] = ',';
        $this->iso88596[46] = '.';
        $this->iso88596[47] = '¿';

        $this->utf8[0]  = 'Ø°';
        $this->utf8[1]  = 'د';
        $this->utf8[2]  = 'ج';
        $this->utf8[3]  = 'Ø­';
        $this->utf8[4]  = 'Ø®';
        $this->utf8[5]  = 'ه';
        $this->utf8[6]  = 'ع';
        $this->utf8[7]  = 'غ';
        $this->utf8[8]  = 'ف';
        $this->utf8[9]  = 'ق';
        $this->utf8[10] = 'Ø«';
        $this->utf8[11] = 'ص';
        $this->utf8[12] = 'ض';
        $this->utf8[13] = 'Ø·';
        $this->utf8[14] = 'ك';
        $this->utf8[15] = 'م';
        $this->utf8[16] = 'ن';
        $this->utf8[17] = 'ت';
        $this->utf8[18] = 'ا';
        $this->utf8[19] = 'ل';
        $this->utf8[20] = 'ب';
        $this->utf8[21] = 'ي';
        $this->utf8[22] = 'س';
        $this->utf8[23] = 'Ø´';
        $this->utf8[24] = 'ظ';
        $this->utf8[25] = 'ز';
        $this->utf8[26] = 'و';
        $this->utf8[27] = 'Ø©';
        $this->utf8[28] = 'ى';
        $this->utf8[29] = 'ر';
        $this->utf8[30] = 'ؤ';
        $this->utf8[31] = 'Ø¡';
        $this->utf8[32] = 'ئ';
        $this->utf8[33] = 'ّ';
        $this->utf8[34] = 'َ';
        $this->utf8[35] = 'ً';
        $this->utf8[36] = 'ٌ';
        $this->utf8[37] = 'Ø¥';
        $this->utf8[38] = 'ِ';
        $this->utf8[39] = 'ٍ';
        $this->utf8[40] = 'Ø£';
        $this->utf8[41] = 'ـ';
        $this->utf8[42] = '،';
        $this->utf8[43] = 'ْ';
        $this->utf8[44] = 'Ø¢';
        $this->utf8[45] = ',';
        $this->utf8[46] = '.';
        $this->utf8[47] = '؟';
     }

     function win2iso($string){
          $chars = preg_split('//', $string);

          foreach($chars as $char){
               $key = array_search($char, $this->windows1256);
               if(is_int($key)){ $converted .= $this->iso88596[$key]; }else{ $converted .= $char; }
          }
          return $converted;
     }

     function win2utf($string){
          $chars = preg_split('//', $string);

          foreach($chars as $char){
               $key = array_search($char, $this->windows1256);
               if(is_int($key)){ $converted .= $this->utf8[$key]; }else{ $converted .= $char; }
          }
          return $converted;
     }

     function iso2win($string){
          $chars = preg_split('//', $string);

          foreach($chars as $char){
               $key = array_search($char, $this->iso88596);
               if(is_int($key)){ $converted .= $this->windows1256[$key]; }else{ $converted .= $char; }
          }
          return $converted;
     }

     function iso2utf($string){
          $chars = preg_split('//', $string);

          foreach($chars as $char){
               $key = array_search($char, $this->iso88596);
               if(is_int($key)){ $converted .= $this->utf8[$key]; }else{ $converted .= $char; }
          }
          return $converted;
     }

     function utf2win($string){
          $chars = preg_split('//', $string);

          $cmp = false;
          foreach($chars as $char){
               $ascii = ord($char);
               if(($ascii == 216 || $ascii == 217) && !$cmp){ $code = $char; $cmp = true; continue; }
               if($cmp){
                     $code .= $char;
                     $cmp   = false;
                     $key = array_search($code, $this->utf8);
                     if(is_int($key)){ $converted .= $this->windows1256[$key]; }
               }else{
                      $converted .= $char;
               }
          }
          return $converted;
     }

     function utf2iso($string){
          $chars = preg_split('//', $string);

          $cmp = false;
          foreach($chars as $char){
               $ascii = ord($char);
               if(($ascii == 216 || $ascii == 217) && !$cmp){ $code = $char; $cmp = true; continue; }
               if($cmp){
                     $code .= $char;
                     $cmp   = false;
                     $key = array_search($code, $this->utf8);
                     if(is_int($key)){ $converted .= $this->iso88596[$key]; }
               }else{
                      $converted .= $char;
               }
          }
          return $converted;
     }
}

?>