<?php

/* GNU knihovna pro automaticky prevod do kodovani iso, win, utf     */
/* Radek HULAN                                                       */
/* http://hulan.info/blog                                            */
  
function codeToEncoding($code)
{
  switch ($code){
    case 'iso': return 'ISO-8859-2';
    case 'win': return 'CP1250';
    case 'asc': return 'ISO-8859-1';
    case 'utf': return 'UTF-8';
  }
  return $code;
}
function AutoCzech($str, $code)
{
 $win = array ('Á','Č','Ď','É','Ě','Í','Ň','Ó','Ř','Š','Ť','Ú','Ů','Ý','Ž','á','č','ď','é','ě','í','ň','ó','ř','š','ť','ú','ů','ý','ž');
 $iso = array ('Á','Č','Ď','É','Ě','Í','Ň','Ó','Ř','©','«','Ú','Ů','Ý','®','á','č','ď','é','ě','í','ň','ó','ř','ą','»','ú','ů','ý','ľ');
 $utf = array("\xc3\x81", "\xc3\x88", "\xc3\x8f", "\xc3\x89", "\xc3\x83", "\xc3\x8d", "\xc3\x92", "\xc3\x93", "\xc3\x98", "\xc5\xa0", "\xc2\x8d", "\xc3\x9a", "\xc3\x99", "\xc3\x9d", "\xc5\xbd","\xc3\xa1", "\xc3\xa8", "\xc3\xaf", "\xc3\xa9", "\xc3\xac", "\xc3\xad", "\xc3\xb2", "\xc3\xb3", "\xc3\xb8", "\xc5\xa1", "\xc2\x9d", "\xc3\xba", "\xc3\xb9", "\xc3\xbd", "\xc5\xbe");
 // pocty	                       
 $_win=0;
 $_iso=0;
 $_utf=0;
 // spocitam pocet vyskytu v retezci
 for ($i = 0; $i < 30; $i++){
   $_win+=substr_count($str,$win[$i]);
   $_iso+=substr_count($str,$iso[$i]);
   $_utf+=substr_count($str,$utf[$i]);
 }
 // nejvyssi vyskyt
 if ($_utf>0) return iconv('UTF-8',codeToEncoding($code),$str);
 if ($_iso>=$_win && $_iso>0) return iconv('ISO-8859-2',codeToEncoding($code),$str);
 if ($_win>=$_iso && $_win>0) return iconv('CP1250',codeToEncoding($code),$str);
 return iconv('UTF-8',codeToEncoding($code),$str);
}
?>