for ($i = 1; $i < 3; $i = $i + 1) { 
   for ($j = 1; $j < 3; $j = $j + 1) { 
      for ($k = 1; $k < 3; $k = $k + 1) { 
         switch($k) { 
            case 1: 
               print "I: $i, J: $j, K: $k\n"; 
               break 2; 
            case 2: 
               print "I: $i, J: $j, K: $k\n"; 
               break 3; 
         } 
      } 
   } 
}
