recursive function to get all the child categories

Question

Here is what I\'m trying to do: - i need a function that when passed as an argument an ID (for a category of things) will provide all the subcategories and the sub-sub categ

Answer 1

";  
  categoryChild($childId);    
   }   

  function categoryChild($childId) {   

    $s = "select user_id from ajent_joining where sponser_id='".$childId."'";
    $r = mysql_query($s);
    if(mysql_num_rows($r) > 0) {

       while($row = mysql_fetch_array($r)) {

          echo $childId=$row["user_id"];
          echo "
";   
           categoryChild($childId);
    }
}

}


?>