/home/arranoyd/public_html/wp-content/themes/jevelin/inc/plugins/voce-cached-nav.php
<?php
/*
Plugin Name: Voce Cached Nav
Plugin URI: http://voceconnect.com
Description: Serve cached WordPress Navigation Objects.
Version: 1.3.4
Author: Mark Parolisi
License: GPL2
*/
/**
* Caching class for wp_nav_menu.
* @class Voce_Cached_Nav
*/
if ( !class_exists( 'Voce_Cached_Nav' ) ) {
class Voce_Cached_Nav {
const MENUPREFIX = 'wp_nav_menu-';
const ITEMSPREFIX = 'wp_nav_items-';
const MENUIDS = 'wp_nav_menus';
/**
* Set the action hooks to update the cache
* @method init
* @constructor
*/
public static function init() {
add_action( 'wp_create_nav_menu', array( __CLASS__, 'action_wp_update_nav_menu' ), 100 );
add_action( 'wp_update_nav_menu', array( __CLASS__, 'action_wp_update_nav_menu' ) );
add_action( 'wp_delete_nav_menu', array( __CLASS__, 'action_wp_delete_nav_menu' ), 100 );
add_action( 'save_post', array( __CLASS__, 'action_save_post' ) );
// Handle term splitting
add_action( 'split_shared_term', array( __CLASS__, 'handle_term_splitting'), 10, 4 );
}
/**
* @method action_wp_update_nav_menu
* @param Integer $menu_id
*/
public static function action_wp_update_nav_menu( $menu_id ) {
self::delete_menu_objects_cache( $menu_id );
}
/**
* @method action_wp_delete_nav_menu
* @param Integer $menu_id
*/
public static function action_wp_delete_nav_menu( $menu_id ) {
self::update_menu_ids_cache( $menu_id );
self::delete_menu_objects_cache( $menu_id );
}
/**
* Clear the menu caches because the post title/permalink/etc could change.
* @method action_save_post
*/
public static function action_save_post() {
// Passing 0 will ensure that all caches are deleted.
self::get_nav_menus();
self::delete_menu_objects_cache( 0 );
}
public static function get_nav_menus() {
$menus = get_transient( self::MENUIDS );
if ( !is_array( $menus ) ) {
$menus = wp_get_nav_menus();
foreach ( $menus as $menu ) {
self::update_menu_ids_cache( $menu->term_id );
}
}
return $menus;
}
/**
* @method delete_menu_objects_cache
* @param Integer $menu_id
*
* @return type
*/
public static function delete_menu_objects_cache( $menu_id ) {
//if given an existing menu_id delete just that menu
if ( term_exists( (int) $menu_id, 'nav_menu' ) ) {
return delete_transient( self::ITEMSPREFIX . $menu_id );
} else { //delete all cached menus recursively
$all_cached_menus = get_transient( self::MENUIDS );
if ( is_array( $all_cached_menus ) ) {
foreach ( $all_cached_menus as $menu_id ) {
self::delete_menu_objects_cache( $menu_id );
}
}
}
}
/**
* @method update_menu_ids_cache
* @param Integer $menu_id
*/
public static function update_menu_ids_cache( $menu_id ) {
$cache = get_transient( self::MENUIDS );
// If there is already a cached array
if ( is_array( $cache ) ) {
// If the menu ID is not already in cache and is a valid menu
if ( !in_array( $menu_id, $cache ) && term_exists( (int) $menu_id, 'nav_menu' ) ) {
$cache = array_merge( $cache, array( $menu_id ) );
}
foreach ( $cache as $key => $cached_id ) {
// Remove the menu ID if it's invalid
if ( !term_exists( (int) $cached_id, 'nav_menu' ) ) {
unset( $cache[ $key ] );
}
}
$data = $cache;
// If this is executing for the first time
} else {
$data = ( term_exists( (int) $menu_id, 'nav_menu' ) ) ? array( $menu_id ) : false;
}
if( $data ){
set_transient( self::MENUIDS, $data );
} else {
delete_transient( self::MENUIDS );
}
}
/**
* @method get_nav_menu_object
* @param Object $args
*
* @return type
*/
public static function get_nav_menu_object( $args ) {
$menu_lookup = $args->menu;
$menu = get_transient( self::MENUPREFIX . $menu_lookup );
if ( empty( $menu ) ) {
$menu = wp_get_nav_menu_object( $args->menu );
set_transient( self::MENUPREFIX . $menu_lookup, $menu );
}
// Get the nav menu based on the theme_location
if ( !$menu && $args->theme_location && ( $locations = get_nav_menu_locations() ) && isset( $locations[ $args->theme_location ] ) ) {
$menu_lookup = $locations[ $args->theme_location ];
$menu = get_transient( self::MENUPREFIX . $menu_lookup );
if ( empty( $menu ) ) {
$menu = wp_get_nav_menu_object( $locations[ $args->theme_location ] );
set_transient( self::MENUPREFIX . $menu_lookup, $menu );
}
}
// get the first menu that has items if we still can't find a menu
if ( !$menu && !$args->theme_location ) {
$menus = self::get_nav_menus();
foreach ( $menus as $menu_maybe ) {
if ( $menu_items = self::get_nav_menu_items( $menu_maybe->term_id, array( 'update_post_term_cache' => false ) ) ) {
$menu = $menu_maybe;
break;
}
}
}
return $menu;
}
/**
* @method get_nav_menu_items
* @param Integer $term_id
*
* @return type
*/
public static function get_nav_menu_items( $term_id, $args ) {
if ( $cache = get_transient( self::ITEMSPREFIX . $term_id ) ) {
$items = $cache;
} else {
$items = wp_get_nav_menu_items( $term_id, $args );
set_transient( self::ITEMSPREFIX . $term_id, $items );
}
return $items;
}
/**
* @method menu
* @staticvar array $menu_id_slugs
*
* @param {Array} $args
*
* @return boolean
*/
public static function menu( $args = array() ) {
static $menu_id_slugs = array();
$defaults = array(
'menu' => '',
'container' => 'div',
'container_class' => '',
'container_id' => '',
'menu_class' => 'menu',
'menu_id' => '',
'echo' => true,
'fallback_cb' => 'wp_page_menu',
'before' => '',
'after' => '',
'link_before' => '',
'link_after' => '',
'items_wrap' => '<ul id="%1$s" class="%2$s">%3$s</ul>',
'depth' => 0,
'walker' => '',
'theme_location' => ''
);
$args = wp_parse_args( $args, $defaults );
$args = apply_filters( 'wp_nav_menu_args', $args );
$args = (object) $args;
// Get the nav menu based on the requested menu
// move get menu part to self::get_nav_menu_object function
// to manage cache
$menu = self::get_nav_menu_object( $args );
// If the menu exists, get its items.
if ( $menu && !is_wp_error( $menu ) && !isset( $menu_items ) ) //replace wp_get_nav_menu_items with self::get_nav_menu_items to manage cache
{
$menu_items = self::get_nav_menu_items( $menu->term_id, array( 'update_post_term_cache' => false ) );
}
/*
* If no menu was found:
* - Fall back (if one was specified), or bail.
*
* If no menu items were found:
* - Fall back, but only if no theme location was specified.
* - Otherwise, bail.
*/
if ( ( !$menu || is_wp_error( $menu ) || ( isset( $menu_items ) && empty( $menu_items ) && !$args->theme_location ) ) && $args->fallback_cb && is_callable( $args->fallback_cb ) ) return call_user_func( $args->fallback_cb, (array) $args );
if ( !$menu || is_wp_error( $menu ) ) return false;
$nav_menu = $items = '';
$show_container = false;
if ( $args->container ) {
$allowed_tags = apply_filters( 'wp_nav_menu_container_allowedtags', array( 'div', 'nav' ) );
if ( in_array( $args->container, $allowed_tags ) ) {
$show_container = true;
$class = $args->container_class ? ' class="' . esc_attr( $args->container_class ) . '"' : ' class="menu-' . $menu->slug . '-container"';
$id = $args->container_id ? ' id="' . esc_attr( $args->container_id ) . '"' : '';
$nav_menu .= '<' . $args->container . $id . $class . '>';
}
}
// Set up the $menu_item variables
_wp_menu_item_classes_by_context( $menu_items );
$sorted_menu_items = $menu_items_with_children = array();
foreach ( (array) $menu_items as $key => $menu_item ) {
$sorted_menu_items[ $menu_item->menu_order ] = $menu_item;
if ( $menu_item->menu_item_parent )
$menu_items_with_children[ $menu_item->menu_item_parent ] = true;
}
// Add the menu-item-has-children class where applicable
if ( !empty( $menu_items_with_children ) ) {
foreach ( $sorted_menu_items as &$menu_item ) {
if ( isset( $menu_items_with_children[ $menu_item->ID ] ) )
$menu_item->classes[] = 'menu-item-has-children';
}
}
unset( $menu_items );
$sorted_menu_items = apply_filters( 'wp_nav_menu_objects', $sorted_menu_items, $args );
$items .= walk_nav_menu_tree( $sorted_menu_items, $args->depth, $args );
unset( $sorted_menu_items );
// Attributes
if ( !empty( $args->menu_id ) ) {
$wrap_id = $args->menu_id;
} else {
$wrap_id = 'menu-' . $menu->slug;
while ( in_array( $wrap_id, $menu_id_slugs ) ) {
if ( preg_match( '#-(\d+)$#', $wrap_id, $matches ) ) $wrap_id = preg_replace( '#-(\d+)$#', '-' . ++$matches[ 1 ], $wrap_id ); else
$wrap_id = $wrap_id . '-1';
}
}
$menu_id_slugs[ ] = $wrap_id;
$wrap_class = $args->menu_class ? $args->menu_class : '';
// Allow plugins to hook into the menu to add their own <li>'s
$items = apply_filters( 'wp_nav_menu_items', $items, $args );
$items = apply_filters( "wp_nav_menu_{$menu->slug}_items", $items, $args );
// Don't print any markup if there are no items at this point.
if ( empty( $items ) ) return false;
$nav_menu .= sprintf( $args->items_wrap, esc_attr( $wrap_id ), esc_attr( $wrap_class ), $items );
unset( $items );
if ( $show_container ) $nav_menu .= '</' . $args->container . '>';
$nav_menu = apply_filters( 'wp_nav_menu', $nav_menu, $args );
if ( $args->echo ) echo $nav_menu; else
return $nav_menu;
}
public static function handle_term_splitting( $old_term_id, $new_term_id, $term_taxonomy_id, $taxonomy ) {
$transient = get_transient( self::ITEMSPREFIX . $old_term_id );
if( false !== $transient) {
delete_transient( self::ITEMSPREFIX . $old_term_id );
set_transient( self::ITEMSPREFIX . $new_term_id , $transient );
}
}
}
Voce_Cached_Nav::init();
if ( !function_exists( 'wp_cached_nav_menu' ) ) {
function wp_cached_nav_menu( $args ) {
voce_cached_nav_menu( $args );
}
}
function voce_cached_nav_menu( $args ) {
return Voce_Cached_Nav::menu( $args );
}
}