145 lines
3.4 KiB
PHP
145 lines
3.4 KiB
PHP
<?php
|
|
/**
|
|
* Cache helper
|
|
*
|
|
* @package EDD
|
|
* @subpackage Core
|
|
* @copyright Copyright (c) 2018, Easy Digital Downloads, LLC
|
|
* @license http://opensource.org/licenses/gpl-2.0.php GNU Public License
|
|
* @since 1.7
|
|
*/
|
|
|
|
// Exit if accessed directly
|
|
defined( 'ABSPATH' ) || exit;
|
|
|
|
/**
|
|
* EDD_Cache_Helper class.
|
|
*
|
|
* @since 1.7
|
|
*/
|
|
class EDD_Cache_Helper {
|
|
|
|
/**
|
|
* Constructor.
|
|
*
|
|
* @since 1.7
|
|
*/
|
|
public function __construct() {
|
|
add_action( 'init', array( $this, 'init' ), 0 );
|
|
add_action( 'admin_notices', array( $this, 'notices' ) );
|
|
}
|
|
|
|
/**
|
|
* Prevent caching on dynamic pages.
|
|
*
|
|
* @since 1.7
|
|
*/
|
|
public function init() {
|
|
$page_uris = get_transient( 'edd_cache_excluded_uris' );
|
|
|
|
if ( false === $page_uris ) {
|
|
$purchase_page = edd_get_option( 'purchase_page', '' );
|
|
$success_page = edd_get_option( 'success_page', '' );
|
|
|
|
// Bail if purchase or success page has not been set.
|
|
if ( empty( $purchase_page ) || empty( $success_page ) ) {
|
|
return;
|
|
}
|
|
|
|
$page_uris = array();
|
|
|
|
// Exclude query string when using page ID.
|
|
$page_uris[] = 'p=' . $purchase_page;
|
|
$page_uris[] = 'p=' . $success_page;
|
|
|
|
// Exclude permalinks.
|
|
$checkout_page = get_post( $purchase_page );
|
|
$success_page = get_post( $success_page );
|
|
|
|
if ( ! is_null( $checkout_page ) ) {
|
|
$page_uris[] = '/' . $checkout_page->post_name;
|
|
}
|
|
|
|
if ( ! is_null( $success_page ) ) {
|
|
$page_uris[] = '/' . $success_page->post_name;
|
|
}
|
|
|
|
set_transient( 'edd_cache_excluded_uris', $page_uris );
|
|
}
|
|
|
|
if ( is_array( $page_uris ) ) {
|
|
foreach ( $page_uris as $uri ) {
|
|
if ( strstr( $_SERVER['REQUEST_URI'], $uri ) ) {
|
|
$this->nocache();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set nocache constants and headers.
|
|
*
|
|
* @since 1.7
|
|
* @access private
|
|
*/
|
|
private function nocache() {
|
|
if ( ! defined( 'DONOTCACHEPAGE' ) ) {
|
|
define( 'DONOTCACHEPAGE', 'true' );
|
|
}
|
|
|
|
nocache_headers();
|
|
}
|
|
|
|
/**
|
|
* Admin notices.
|
|
*
|
|
* @since 1.7
|
|
*/
|
|
public function notices() {
|
|
|
|
// W3 Total Cache.
|
|
if ( function_exists( 'w3tc_pgcache_flush' ) && function_exists( 'w3_instance' ) ) {
|
|
$config = w3_instance( 'W3_Config' );
|
|
$enabled = $config->get_integer( 'dbcache.enabled' );
|
|
$settings = $config->get_array( 'dbcache.reject.sql' );
|
|
|
|
if ( $enabled && ! in_array( '_wp_session_', $settings, true ) ) {
|
|
?>
|
|
<div class="error">
|
|
<p>
|
|
<?php
|
|
printf(
|
|
__( 'In order for <strong>database caching</strong> to work with Easy Digital Downloads you must add <code>_wp_session_</code> to the "Ignored query stems" option in W3 Total Cache settings <a href="%s">here</a>.', 'easy-digital-downloads' ),
|
|
esc_url( admin_url( 'admin.php?page=w3tc_dbcache' ) )
|
|
);
|
|
?>
|
|
</p>
|
|
</div>
|
|
<?php
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Prevents W3TC from adding to the cache prior to modifying data.
|
|
*
|
|
* @since 1.7
|
|
* @since 3.0.4 Removed the cache suspend call.
|
|
*/
|
|
public function w3tc_suspend_cache_addition_pre() {
|
|
// This function does nothing as of EDD 3.0.4, it is only left here to prevent fatal errors in case it was used.
|
|
}
|
|
|
|
/**
|
|
* Prevents W3TC from adding to the cache after modifying data.
|
|
*
|
|
* @since 1.7
|
|
* @since 3.0.4 Removed the cache suspend call.
|
|
*/
|
|
public function w3tc_suspend_cache_addition_post() {
|
|
// This function does nothing as of EDD 3.0.4, it is only left here to prevent fatal errors in case it was used.
|
|
}
|
|
}
|