[Progman]

PHP-Code:

function bigless($string)
   {
       if(strlen($string)==1)
       {
           return array(strtolower($string),strtoupper($string));
       }
       else
       {
           $tmp=array();
           $endungen=bigless(substr($string,1));
           foreach($endungen as $endung)
           {
               $tmp[]=strtolower($string{0}).$endung;
               $tmp[]=strtoupper($string{0}).$endung;
           }
           return $tmp;
       }
   }
   
   $array=bigless("mein wort");
   print_r($array); 


Geht's?