Question Fatal Error Mi Avatar

function get_dirs($directory, $select_name, $selected = "")
{
	$filelist = array();
	if ($dir = @opendir($directory))
    {
        while (($file = readdir($dir)) !== false)
        {
            if ($file != ".." && $file != ".")
            {
                if (is_dir($directory . "/" . $file))
                {
                    if (!($file[0] == '.')) {
                        $filelist[] = $file;
                    }
                }
            }
        }
 
        closedir($dir);
    }
 
    if ($selected)
        $selected = str_replace("%20", " ", $selected);
 
    echo "<select name=\"$select_name\" id=\"avatar_category_select\" onchange=\"switch_avatar_category(this.options[this.selectedIndex].value)\">\n";
    echo "<option value=\"default\"";
 
    if ($selected == "") {
        echo " selected=\"selected\"";
    }
 
    echo ">"._KUNENA_DEFAULT_GALLERY."</option>\n";
 
    asort($filelist);
 
    while (list($key, $val) = each($filelist))
    {
        echo '<option value="'.$val.'"';
 
        if ($selected == $val) {
            echo " selected=\"selected\"";
        }
 
        echo ">$val</option>\n";
    }
 
    echo "</select>\n";
}