WordPress Plugin - Print Nav Menu - API

wordpress-nav-meny-js-handler.php

<?php

/*
Plugin Name: Print Nav Menu API
Plugin URI: http://www.inboundnow.com/landing-pages/
Description: Listens for nav menu requests and returns html content
Version:  1.0.1
Author: Hudson Atwell
Author URI: http://www.hudsonatwell.co
*/

class WP_Print_Nav_Menu {

	public function __construct() {
		self::add_hooks();
	}
	
	public static function add_hooks() {
		add_action('init' , array( __CLASS__ , 'add_listener') );
	}
	
	public static function add_listener() {
		if ( !isset($_GET['print_nav_js']) ) {
			return;
		}
		
		header("Access-Control-Allow-Origin: *");
		
		$defaults = array(
		
			'menu'            => urldecode($_GET['menu']),
			'container'       => 'div',
			'container_class' => '',
			'container_id'    => '',
			'echo'            => true,
			'fallback_cb'     => 'wp_page_menu',
		);
		
		if ( isset($_GET['walker']) ) {
			$defaults['walker'] = new $_GET['walker'];
		}
		if ( isset($_GET['depth']) ) {
			$defaults['depth'] = new $_GET['depth'];
		}
		if ( isset($_GET['items_wrap']) ) {
			$defaults['items_wrap'] = new $_GET['items_wrap'];
		}
		if ( isset($_GET['link_before']) ) {
			$defaults['link_before'] = new $_GET['link_before'];
		}
		if ( isset($_GET['link_after']) ) {
			$defaults['link_after'] = new $_GET['link_after'];
		}
		if ( isset($_GET['before']) ) {
			$defaults['before'] = new $_GET['before'];
		}
		if ( isset($_GET['after']) ) {
			$defaults['after'] = new $_GET['after'];
		}
		if ( isset($_GET['menu_id']) ) {
			$defaults['menu_id'] = new $_GET['menu_id'];
		}
		if ( isset($_GET['menu_class']) ) {
			$defaults['menu_class'] = new $_GET['menu_class'];
		}
		if ( isset($_GET['container_id']) ) {
			$defaults['container_id'] = new $_GET['container_id'];
		}
		if ( isset($_GET['container_class']) ) {
			$defaults['container_class'] = new $_GET['container_class'];
		}
		

		wp_nav_menu( $defaults );
		exit;
	}
}

$GLOBALS['WP_Print_Nav_Menu'] = new WP_Print_Nav_Menu;