Výpočet termínů akcí v určitých městech - někde je chyba

<?php

       // some values for variables
        $start = "03.09.2012";
        $periode = "10";
        $differenz = "1";
        $dauer = "1,3,5";
        $anzahl = "3";
        $orte = "Horb, Stuttgart, Basel, Karlsruhe";

      
       $wochearray = explode(",","$dauer"); // get the weekdays numbers
        $ortearray = explode(",","$orte"); // get an array from "orte" input
        $ortcount = count($ortearray);  // count the towns in array
        $daycount = count($wochearray); //the course length in days
       
                          
       $s = strtotime($start); //getting the correct format of "start" input
      
      $from_now = time()-$s;   //allow only the dates in future
            if ($from_now>0) {
            do {
            $s = $s+650000;
            } while ((time()-$s)>0);
            }
           
      $star = StrFTime("%d.%m.%Y", $s); //human readable format 
      
              
       function tag($date) {       // find the weekday of "start" day
        $position = StrPos ($date,"(");
        $tag= substr($date, $position+1,2);
        return $tag;
        }
       
       function tagnom ($tag) {   // transfer the name of day to number - beginning with 1 - "0" is not ideal for counting
       
       if ($tag == "Mo") {
        $tagnr = 1;
        } elseif($tag == "Di") {
        $tagnr = 2;
        } elseif($tag == "Mi") {
        $tagnr = 3;
        } elseif($tag == "Do") {
        $tagnr = 4;
        } elseif($tag == "Fr") {
        $tagnr = 5;
        } elseif($tag == "Sa") {
        $tagnr = 6;
        } elseif($tag == "So") {
        $tagnr = 7;
        }
        return $tagnr;
        }
      
      //FUNCTION FOR EXCLUDING VACATIONS - STILL NEED TO BE TUNED       
      /*   function istfeiertag($date) {
        $id_connection = mysql_connect("****","******","*****");
        mysql_select_db ("d27523_joomla1", $id_connection); 
        $sta = strtotime("$date");
        $year = StrFTime("%Y", $sta);       
        $varfeier = mysql_query ("SELECT * FROM jos_feiertage WHERE A='$year'",$id_connection);
        while ($feier1 = mysql_fetch_array($varfeier)) {
         if (in_array($date, $feier1)) {
         do {
         $newdate1 = strtotime("$date+1 week");
         $newdate = StrFTime("%d.%m.%Y", $newdate1);
         } while (in_array($date, $feier1));
         } else {
        //do nothing
        $newdate = $date;
        }
        return $newdate;
        }
        } */
       
       function get_start_dates ($beg, $diff, $wochearray) {  //count the array of starting dates
        $sta = strtotime("$beg+$diff days");
        $star = StrFTime("%d.%m.%Y", $sta);
        SetLocale(LC_ALL, 'de_DE');
        $stat =  StrFTime("%d.%m.%Y (%a)", $sta);
        $stat2 =  StrFTime("%d.%m.%Y", $sta);
       
       $tg = tagnom(tag($stat));
        
        foreach ($wochearray as $w3) {        // counting the dates following immadiately after start (based on weekdays from input)
         $zk3 = $w3-$tg;
         $neco3 = strtotime("$stat2+$zk3 days");
         $terminyc[] = StrFTime("%d.%m.%Y", $neco3);
          }
          /*foreach ($terminyc as $term) {
          $terminyc[] = istfeiertag($term);
          } */ // INCLUDE ISTFEIERTAG() FUNCTION AFTER IT WORKS
          return $terminyc;                       // return array
        }       
             
       function plustime($term, $periode) {             //term + "periode" weeks 
        //$term = istfeiertag($term); - include after it works
        $temp = strtotime("$term+$periode weeks");
        SetLocale(LC_ALL, 'de_DE');
        $result = StrFTime("%d.%m.%Y", $temp);
        return $result;
        }       
        $barray = array(array(array()));
      
       /*WE WILL NOT PROBABLY USE THIS        
        function countanother($newa, $per, $an, $dau, $n) {  //count another dates form strart - based on plustime()     
        $z = 0;
        $plus = $per;
                  
       //$helpingstring = implode(";",$barray[$n][1]);
        //$newa = current($barray[$n][1]);
        //$newa = explode(";", "$helpingstring");
        
       foreach ($newa as $b) {
         while ($z < $an-1) {
         $counting_browsing = 0;      
         $abteil_j = "";                                                          // variable - break
         $abt_abt = "";                                                      // variable to separate (",")
         $counting_browsing = $counting_browsing +1 ;                                //counting foreach
          if ($counting_browsing < $dau) $abt_abt = ", ";                   //where to add ","
          if ($counting_browsing == $dau) $abteil_j = "<br />";                     //where to add break              
        $periode1[] = plustime($b, $plus) . $abt_abt . $abteil_j;  //all together
         $z++;
         $plus = $plus+$per;
        }        
        
       }
       
       return $periode1;
        }      
       */      
             
       $diffe = $differenz*7;  //differenz in days   
        $diff = 0; //we start with 0 - nothing to add to 1st date (start)
        $n = 0;
        $an = $anzahl;
       
       //barray - our main array
       
       while ($n < $ortcount) { //get start terms for all the cities
       
       foreach ($ortearray as $o) {
        $helpingstring = join(";",get_start_dates($star, $diff, $wochearray));
        $newa = explode(";", $helpingstring);
        $z = 0;
        $plus = $periode;
       
       while ($z < $an) {
        foreach ($newa as $b) {                   
         $periode1[$z] = plustime($b, $plus);         
         $z++;
         $plus = $plus+$periode;
        }
        }
             
       $barray[$n] = array(0=>$o, 1=>get_start_dates($star, $diff, $wochearray), 2=>$periode1);
        $diff += $diffe; // increasing the difference(from start) after every browse
        $n++;
                      
       }
        }    
       //testing printing
        echo '<pre>';
      print_r($barray);
        
      ?>