<?php

//ObjectCache Version: 1.1

/**

 * W3 Total Cache Object Cache

 */

if (!defined('ABSPATH')) {

    die();

}



if (!defined('W3TC_DIR')) {

    define('W3TC_DIR', WP_CONTENT_DIR . '/plugins/w3-total-cache');

}



if (!@is_dir(W3TC_DIR) || !file_exists(W3TC_DIR . '/inc/define.php')) {

    if (!defined('WP_ADMIN')) { // lets don't show error on front end

        require_once (ABSPATH . WPINC . '/cache.php');

    } else {

        @header('HTTP/1.1 503 Service Unavailable');

        die(sprintf('<strong>W3 Total Cache Error:</strong> some files appear to be missing or out of place. Please re-install plugin or remove <strong>%s</strong>.', __FILE__));

    }

} else {

    require_once W3TC_DIR . '/inc/define.php';



    /**

     * Init cache

     *

     * @return void

     */

    function wp_cache_init() {

        $GLOBALS['wp_object_cache'] = w3_instance('W3_ObjectCacheBridge');

    }



    /**

     * Close cache

     *

     * @return boolean

     */

    function wp_cache_close() {

        return true;

    }



    /**

     * Get cache

     *

     * @param string $id

     * @param string $group

     * @return mixed

     */

    function wp_cache_get($id, $group = 'default') {

        global $wp_object_cache;



        return $wp_object_cache->get($id, $group);

    }



    /**

     * Set cache

     *

     * @param string $id

     * @param mixed $data

     * @param string $group

     * @param integer $expire

     * @return boolean

     */

    function wp_cache_set($id, $data, $group = 'default', $expire = 0) {

        global $wp_object_cache;



        return $wp_object_cache->set($id, $data, $group, $expire);

    }



    /**

     * Delete from cache

     *

     * @param string $id

     * @param string $group

     * @return boolean

     */

    function wp_cache_delete($id, $group = 'default') {

        global $wp_object_cache;



        return $wp_object_cache->delete($id, $group);

    }



    /**

     * Add data to cache

     *

     * @param string $id

     * @param mixed $data

     * @param string $group

     * @param integer $expire

     * @return boolean

     */

    function wp_cache_add($id, $data, $group = 'default', $expire = 0) {

        global $wp_object_cache;



        return $wp_object_cache->add($id, $data, $group, $expire);

    }



    /**

     * Replace data in cache

     *

     * @param string $id

     * @param mixed $data

     * @param string $group

     * @param integer $expire

     * @return boolean

     */

    function wp_cache_replace($id, $data, $group = 'default', $expire = 0) {

        global $wp_object_cache;



        return $wp_object_cache->replace($id, $data, $group, $expire);

    }



    /**

     * Reset cache

     *

     * @return boolean

     */

    function wp_cache_reset() {

        global $wp_object_cache;



        return $wp_object_cache->reset();

    }



    /**

     * Flush cache

     *

     * @return boolean

     */

    function wp_cache_flush() {

        global $wp_object_cache;



        return $wp_object_cache->flush();

    }



    /**

     * Add global groups

     *

     * @param array $groups

     * @return void

     */

    function wp_cache_add_global_groups($groups) {

        global $wp_object_cache;



        $wp_object_cache->add_global_groups($groups);

    }



    /**

     * Add non-persistent groups

     *

     * @param array $groups

     * @return void

     */

    function wp_cache_add_non_persistent_groups($groups) {

        global $wp_object_cache;



        $wp_object_cache->add_nonpersistent_groups($groups);

    }



    /**

     * Increment numeric cache item's value

     *

     * @param int|string $key The cache key to increment

     * @param int $offset The amount by which to increment the item's value. Default is 1.

     * @param string $group The group the key is in.

     * @return bool|int False on failure, the item's new value on success.

     */

    function wp_cache_incr( $key, $offset = 1, $group = 'default' ) {

        global $wp_object_cache;



        return $wp_object_cache->incr( $key, $offset, $group );

    }



    /**

     * Decrement numeric cache item's value

     *

     * @param int|string $key The cache key to increment

     * @param int $offset The amount by which to decrement the item's value. Default is 1.

     * @param string $group The group the key is in.

     * @return bool|int False on failure, the item's new value on success.

     */

    function wp_cache_decr( $key, $offset = 1, $group = 'default' ) {

        global $wp_object_cache;



        return $wp_object_cache->decr( $key, $offset, $group );

    }



    /**

     * Switch the internal blog id.

     *

     * This changes the blog id used to create keys in blog specific groups.

     *

     * @param int $blog_id Blog ID

     */

    function wp_cache_switch_to_blog( $blog_id ) {

        global $wp_object_cache;



        return $wp_object_cache->switch_to_blog( $blog_id );

    }

}

