Kód: Vybrať všetko

<?php
function comb($a, $len){
   if ($len > count($a))return 'error';
   $out = array();
   if ($len==1) {
      foreach ($a as $v) $out[] = array($v);
      return $out;
   }
   $len--;
   while (count($a) > $len) {
      $b = array_shift($a);
      $c = comb($a, $len);
      foreach ($c as $v){
         array_unshift($v, $b);
         $out[] = $v;
      }
   }
   return $out;
}
$test = array(1,2,3,4,5,6,7,8,9,10); // 10 lopticiek
$a = comb($test,4); // vyberame 4
print_r($a);
?>