Something

function post_multiple_array($postname,$array,$name="",$empty="false") {
  foreach ($array as $key => $val) {
    echo $empty." > ".$name."<br>";
    if(!is_array($val)) {
      echo '<input type="hidden" name="'.$postname.'[]" value="'.$name.'|'.$key.'|'.$val.'">'."\n";
      $empty="true";
    } else {
      if($empty=="true") {
        $empty="false";	
      } elseif($empty=="false") {
        $name = $name."|".$key;
      }
      post_multiple_array($postname,$val,$name,$empty);
    }
    unset($name);
  }
  return $retvalue;
}