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

function categoryChild($id)
{
    $s = "SELECT category_id,name FROM proads_categories WHERE parent_id =".$id;    
    $r = mysql_query($s);
    $children = array();
    if(mysql_num_rows($r) > 0)
    {
        #It has children, let's get them.
        while($row = mysql_fetch_array($r))
        {          
            #Add the child to the list of children, and get its subchildren
            $children[$row['category_id']]['nam'] = $row['name'];
            $arr = categoryChild($row['category_id']);
            if(count($arr) > 0)
            {
                $children[$row['category_id']]['child'] = categoryChild($row['category_id']);
            } 
        }
    }
    return $children;
}

It's perfect. If you need please try this