PHP multi-array do HTML table

$array['id'] = 5;
$array['text'] = "Mein Text";
$array['comments'] = array(5, 4, array(
    'Comic' => array(
        'Title'=>'Superman',
        'Author'=>'Jerry Siegel and Joe Shuster',
        'Publication Date' => '1938'),

    'Science Fiction' => array(
        'Title'=>'Dune',
        'Author'=>'Frank Herbert',
        'Publication Date'=>'1965'),

    'Fantasy' => array(
        'Title'=>'The Hobbit',
        'Author'=>'J.R.R. Tolkien',
        'Publication Date'=>'1937'),   

    'Horror' => array(
        'Title'=>'Carrie',
        'Author'=>'Stephen King',
        'Publication Date'=>'1974')
),23);
$array['author'] = "ich";

html_show_array($array);

function do_offset($level){
    $offset = "";             // offset for subarry 
    for ($i=1; $i<$level;$i++){
    $offset = $offset . "<td></td>";
    }
    return $offset;
}

function show_array($array, $level, $sub){
    if (is_array($array) == 1){          // check if input is an array
       foreach($array as $key_val => $value) {
           $offset = "";
           if (is_array($value) == 1){   // array is multidimensional
           echo "<tr>";
           $offset = do_offset($level);
           echo $offset . "<td>" . $key_val . "</td>";
           show_array($value, $level+1, 1);
           }
           else{                        // (sub)array is not multidim
           if ($sub != 1){          // first entry for subarray
               echo "<tr nosub>";
               $offset = do_offset($level);
           }
           $sub = 0;
           echo $offset . "<td main ".$sub." width=\"120\">" . $key_val . 
               "</td><td width=\"120\">" . $value . "</td>"; 
           echo "</tr>\n";
           }
       } //foreach $array
    }  
    else{ // argument $array is not an array
        return;
    }
}

function html_show_array($array){
  echo "<table cellspacing=\"0\" border=\"2\">\n";
  show_array($array, 1, 0);
  echo "</table>\n";
}