function object_to_array($data)
{
    if(is_array($data) || is_object($data))
    {
        $result = array();
        
        foreach($data as $key => $value) {
            $result[$key] = $this->object_to_array($value);
        }

        return $result;
    }
    
    return $data;
}

http://codesnippets.joyent.com/posts/show/1641

Converts a php object to an associative array

PHP - Convert an object to an associative array

php, object, array

PHP