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easy-digital-downloads.php
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<?php
/**
* Plugin Name: Easy Digital Downloads
* Plugin URI: https://easydigitaldownloads.com
* Description: The easiest way to sell digital products with WordPress.
* Author: Easy Digital Downloads
* Author URI: https://easydigitaldownloads.com
* Version: 2.9.1
* Text Domain: easy-digital-downloads
* Domain Path: languages
*
* Easy Digital Downloads is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* any later version.
*
* Easy Digital Downloads is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Easy Digital Downloads. If not, see <http://www.gnu.org/licenses/>.
*
* @package EDD
* @category Core
* @author Pippin Williamson
* @version 2.9.1
*/
// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) exit;
if ( ! class_exists( 'Easy_Digital_Downloads' ) ) :
/**
* Main Easy_Digital_Downloads Class.
*
* @since 1.4
*/
final class Easy_Digital_Downloads {
/** Singleton *************************************************************/
/**
* @var Easy_Digital_Downloads The one true Easy_Digital_Downloads
* @since 1.4
*/
private static $instance;
/**
* EDD Roles Object.
*
* @var object|EDD_Roles
* @since 1.5
*/
public $roles;
/**
* EDD Cart Fees Object.
*
* @var object|EDD_Fees
* @since 1.5
*/
public $fees;
/**
* EDD API Object.
*
* @var object|EDD_API
* @since 1.5
*/
public $api;
/**
* EDD HTML Session Object.
*
* This holds cart items, purchase sessions, and anything else stored in the session.
*
* @var object|EDD_Session
* @since 1.5
*/
public $session;
/**
* EDD HTML Element Helper Object.
*
* @var object|EDD_HTML_Elements
* @since 1.5
*/
public $html;
/**
* EDD Emails Object.
*
* @var object|EDD_Emails
* @since 2.1
*/
public $emails;
/**
* EDD Email Template Tags Object.
*
* @var object|EDD_Email_Template_Tags
* @since 1.9
*/
public $email_tags;
/**
* EDD Customers DB Object.
*
* @var object|EDD_DB_Customers
* @since 2.1
*/
public $customers;
/**
* EDD Customer meta DB Object.
*
* @var object|EDD_DB_Customer_Meta
* @since 2.6
*/
public $customer_meta;
/**
* EDD Cart Object
*
* @var object|EDD_Cart
* @since 2.7
*/
public $cart;
/**
* Main Easy_Digital_Downloads Instance.
*
* Insures that only one instance of Easy_Digital_Downloads exists in memory at any one
* time. Also prevents needing to define globals all over the place.
*
* @since 1.4
* @static
* @staticvar array $instance
* @uses Easy_Digital_Downloads::setup_constants() Setup the constants needed.
* @uses Easy_Digital_Downloads::includes() Include the required files.
* @uses Easy_Digital_Downloads::load_textdomain() load the language files.
* @see EDD()
* @return object|Easy_Digital_Downloads The one true Easy_Digital_Downloads
*/
public static function instance() {
if ( ! isset( self::$instance ) && ! ( self::$instance instanceof Easy_Digital_Downloads ) ) {
self::$instance = new Easy_Digital_Downloads;
self::$instance->setup_constants();
add_action( 'plugins_loaded', array( self::$instance, 'load_textdomain' ) );
self::$instance->includes();
self::$instance->roles = new EDD_Roles();
self::$instance->fees = new EDD_Fees();
self::$instance->api = new EDD_API();
self::$instance->session = new EDD_Session();
self::$instance->html = new EDD_HTML_Elements();
self::$instance->emails = new EDD_Emails();
self::$instance->email_tags = new EDD_Email_Template_Tags();
self::$instance->customers = new EDD_DB_Customers();
self::$instance->customer_meta = new EDD_DB_Customer_Meta();
self::$instance->payment_stats = new EDD_Payment_Stats();
self::$instance->cart = new EDD_Cart();
}
return self::$instance;
}
/**
* Throw error on object clone.
*
* The whole idea of the singleton design pattern is that there is a single
* object therefore, we don't want the object to be cloned.
*
* @since 1.6
* @access protected
* @return void
*/
public function __clone() {
// Cloning instances of the class is forbidden.
_doing_it_wrong( __FUNCTION__, __( 'Cheatin’ huh?', 'easy-digital-downloads' ), '1.6' );
}
/**
* Disable unserializing of the class.
*
* @since 1.6
* @access protected
* @return void
*/
public function __wakeup() {
// Unserializing instances of the class is forbidden.
_doing_it_wrong( __FUNCTION__, __( 'Cheatin’ huh?', 'easy-digital-downloads' ), '1.6' );
}
/**
* Setup plugin constants.
*
* @access private
* @since 1.4
* @return void
*/
private function setup_constants() {
// Plugin version.
if ( ! defined( 'EDD_VERSION' ) ) {
define( 'EDD_VERSION', '2.9.1' );
}
// Plugin Folder Path.
if ( ! defined( 'EDD_PLUGIN_DIR' ) ) {
define( 'EDD_PLUGIN_DIR', plugin_dir_path( __FILE__ ) );
}
// Plugin Folder URL.
if ( ! defined( 'EDD_PLUGIN_URL' ) ) {
define( 'EDD_PLUGIN_URL', plugin_dir_url( __FILE__ ) );
}
// Plugin Root File.
if ( ! defined( 'EDD_PLUGIN_FILE' ) ) {
define( 'EDD_PLUGIN_FILE', __FILE__ );
}
// Make sure CAL_GREGORIAN is defined.
if ( ! defined( 'CAL_GREGORIAN' ) ) {
define( 'CAL_GREGORIAN', 1 );
}
}
/**
* Include required files.
*
* @access private
* @since 1.4
* @return void
*/
private function includes() {
global $edd_options;
require_once EDD_PLUGIN_DIR . 'includes/admin/settings/register-settings.php';
$edd_options = edd_get_settings();
require_once EDD_PLUGIN_DIR . 'includes/actions.php';
if( file_exists( EDD_PLUGIN_DIR . 'includes/deprecated-functions.php' ) ) {
require_once EDD_PLUGIN_DIR . 'includes/deprecated-functions.php';
}
require_once EDD_PLUGIN_DIR . 'includes/ajax-functions.php';
require_once EDD_PLUGIN_DIR . 'includes/api/class-edd-api.php';
require_once EDD_PLUGIN_DIR . 'includes/template-functions.php';
require_once EDD_PLUGIN_DIR . 'includes/template-actions.php';
require_once EDD_PLUGIN_DIR . 'includes/checkout/template.php';
require_once EDD_PLUGIN_DIR . 'includes/checkout/functions.php';
require_once EDD_PLUGIN_DIR . 'includes/cart/class-edd-cart.php';
require_once EDD_PLUGIN_DIR . 'includes/cart/functions.php';
require_once EDD_PLUGIN_DIR . 'includes/cart/template.php';
require_once EDD_PLUGIN_DIR . 'includes/cart/actions.php';
require_once EDD_PLUGIN_DIR . 'includes/class-edd-db.php';
require_once EDD_PLUGIN_DIR . 'includes/class-edd-db-customers.php';
require_once EDD_PLUGIN_DIR . 'includes/class-edd-db-customer-meta.php';
require_once EDD_PLUGIN_DIR . 'includes/class-edd-customer-query.php';
require_once EDD_PLUGIN_DIR . 'includes/class-edd-customer.php';
require_once EDD_PLUGIN_DIR . 'includes/class-edd-discount.php';
require_once EDD_PLUGIN_DIR . 'includes/class-edd-download.php';
require_once EDD_PLUGIN_DIR . 'includes/class-edd-cache-helper.php';
if ( defined( 'WP_CLI' ) && WP_CLI ) {
require_once EDD_PLUGIN_DIR . 'includes/class-edd-cli.php';
}
require_once EDD_PLUGIN_DIR . 'includes/class-edd-cron.php';
require_once EDD_PLUGIN_DIR . 'includes/class-edd-fees.php';
require_once EDD_PLUGIN_DIR . 'includes/class-edd-html-elements.php';
require_once EDD_PLUGIN_DIR . 'includes/class-edd-license-handler.php';
require_once EDD_PLUGIN_DIR . 'includes/class-edd-logging.php';
require_once EDD_PLUGIN_DIR . 'includes/class-edd-session.php';
require_once EDD_PLUGIN_DIR . 'includes/class-edd-stats.php';
require_once EDD_PLUGIN_DIR . 'includes/class-edd-roles.php';
require_once EDD_PLUGIN_DIR . 'includes/country-functions.php';
require_once EDD_PLUGIN_DIR . 'includes/formatting.php';
require_once EDD_PLUGIN_DIR . 'includes/widgets.php';
require_once EDD_PLUGIN_DIR . 'includes/misc-functions.php';
require_once EDD_PLUGIN_DIR . 'includes/mime-types.php';
require_once EDD_PLUGIN_DIR . 'includes/gateways/actions.php';
require_once EDD_PLUGIN_DIR . 'includes/gateways/functions.php';
if ( version_compare( phpversion(), 5.3, '>' ) ) {
require_once EDD_PLUGIN_DIR . 'includes/gateways/amazon-payments.php';
}
require_once EDD_PLUGIN_DIR . 'includes/gateways/paypal-standard.php';
require_once EDD_PLUGIN_DIR . 'includes/gateways/manual.php';
require_once EDD_PLUGIN_DIR . 'includes/discount-functions.php';
require_once EDD_PLUGIN_DIR . 'includes/payments/functions.php';
require_once EDD_PLUGIN_DIR . 'includes/payments/actions.php';
require_once EDD_PLUGIN_DIR . 'includes/payments/class-payment-stats.php';
require_once EDD_PLUGIN_DIR . 'includes/payments/class-payments-query.php';
require_once EDD_PLUGIN_DIR . 'includes/payments/class-edd-payment.php';
require_once EDD_PLUGIN_DIR . 'includes/download-functions.php';
require_once EDD_PLUGIN_DIR . 'includes/scripts.php';
require_once EDD_PLUGIN_DIR . 'includes/post-types.php';
require_once EDD_PLUGIN_DIR . 'includes/plugin-compatibility.php';
require_once EDD_PLUGIN_DIR . 'includes/emails/class-edd-emails.php';
require_once EDD_PLUGIN_DIR . 'includes/emails/class-edd-email-tags.php';
require_once EDD_PLUGIN_DIR . 'includes/emails/functions.php';
require_once EDD_PLUGIN_DIR . 'includes/emails/template.php';
require_once EDD_PLUGIN_DIR . 'includes/emails/actions.php';
require_once EDD_PLUGIN_DIR . 'includes/error-tracking.php';
require_once EDD_PLUGIN_DIR . 'includes/user-functions.php';
require_once EDD_PLUGIN_DIR . 'includes/query-filters.php';
require_once EDD_PLUGIN_DIR . 'includes/tax-functions.php';
require_once EDD_PLUGIN_DIR . 'includes/process-purchase.php';
require_once EDD_PLUGIN_DIR . 'includes/login-register.php';
require_once EDD_PLUGIN_DIR . 'includes/shortcodes.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/tracking.php'; // Must be loaded on frontend to ensure cron runs
require_once EDD_PLUGIN_DIR . 'includes/privacy-functions.php';
if ( is_admin() || ( defined( 'WP_CLI' ) && WP_CLI ) ) {
require_once EDD_PLUGIN_DIR . 'includes/admin/add-ons.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/admin-footer.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/admin-actions.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/class-edd-notices.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/admin-pages.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/dashboard-widgets.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/thickbox.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/upload-functions.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/downloads/dashboard-columns.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/customers/customers.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/customers/customer-functions.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/customers/customer-actions.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/downloads/metabox.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/downloads/contextual-help.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/discounts/contextual-help.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/discounts/discount-actions.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/discounts/discount-codes.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/import/import-actions.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/import/import-functions.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/payments/actions.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/payments/payments-history.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/payments/contextual-help.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/reporting/contextual-help.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/reporting/export/export-functions.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/reporting/reports.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/reporting/class-edd-graph.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/reporting/class-edd-pie-graph.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/reporting/graphing.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/settings/display-settings.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/settings/contextual-help.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/tools.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/plugins.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/upgrades/upgrade-functions.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/upgrades/upgrades.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/class-edd-heartbeat.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/tools/tools-actions.php';
} else {
require_once EDD_PLUGIN_DIR . 'includes/process-download.php';
require_once EDD_PLUGIN_DIR . 'includes/theme-compatibility.php';
}
require_once EDD_PLUGIN_DIR . 'includes/class-edd-register-meta.php';
require_once EDD_PLUGIN_DIR . 'includes/install.php';
}
/**
* Loads the plugin language files.
*
* @since 1.4
* @return void
*/
public function load_textdomain() {
global $wp_version;
/*
* Due to the introduction of language packs through translate.wordpress.org, loading our textdomain is complex.
*
* In v2.4.6, our textdomain changed from "edd" to "easy-digital-downloads".
*
* To support existing translation files from before the change, we must look for translation files in several places and under several names.
*
* - wp-content/languages/plugins/easy-digital-downloads (introduced with language packs)
* - wp-content/languages/edd/ (custom folder we have supported since 1.4)
* - wp-content/plugins/easy-digital-downloads/languages/
*
* In wp-content/languages/edd/ we must look for "easy-digital-downloads-{lang}_{country}.mo"
* In wp-content/languages/edd/ we must look for "edd-{lang}_{country}.mo" as that was the old file naming convention
* In wp-content/languages/plugins/easy-digital-downloads/ we only need to look for "easy-digital-downloads-{lang}_{country}.mo" as that is the new structure
* In wp-content/plugins/easy-digital-downloads/languages/, we must look for both naming conventions. This is done by filtering "load_textdomain_mofile"
*
*/
add_filter( 'load_textdomain_mofile', array( $this, 'load_old_textdomain' ), 10, 2 );
// Set filter for plugin's languages directory.
$edd_lang_dir = dirname( plugin_basename( EDD_PLUGIN_FILE ) ) . '/languages/';
$edd_lang_dir = apply_filters( 'edd_languages_directory', $edd_lang_dir );
// Traditional WordPress plugin locale filter.
$get_locale = get_locale();
if ( $wp_version >= 4.7 ) {
$get_locale = get_user_locale();
}
/**
* Defines the plugin language locale used in AffiliateWP.
*
* @var $get_locale The locale to use. Uses get_user_locale()` in WordPress 4.7 or greater,
* otherwise uses `get_locale()`.
*/
$locale = apply_filters( 'plugin_locale', $get_locale, 'easy-digital-downloads' );
$mofile = sprintf( '%1$s-%2$s.mo', 'easy-digital-downloads', $locale );
// Look for wp-content/languages/edd/easy-digital-downloads-{lang}_{country}.mo
$mofile_global1 = WP_LANG_DIR . '/edd/easy-digital-downloads-' . $locale . '.mo';
// Look for wp-content/languages/edd/edd-{lang}_{country}.mo
$mofile_global2 = WP_LANG_DIR . '/edd/edd-' . $locale . '.mo';
// Look in wp-content/languages/plugins/easy-digital-downloads
$mofile_global3 = WP_LANG_DIR . '/plugins/easy-digital-downloads/' . $mofile;
if ( file_exists( $mofile_global1 ) ) {
load_textdomain( 'easy-digital-downloads', $mofile_global1 );
} elseif ( file_exists( $mofile_global2 ) ) {
load_textdomain( 'easy-digital-downloads', $mofile_global2 );
} elseif ( file_exists( $mofile_global3 ) ) {
load_textdomain( 'easy-digital-downloads', $mofile_global3 );
} else {
// Load the default language files.
load_plugin_textdomain( 'easy-digital-downloads', false, $edd_lang_dir );
}
}
/**
* Load a .mo file for the old textdomain if one exists.
*
* h/t: https://github.com/10up/grunt-wp-plugin/issues/21#issuecomment-62003284
*/
function load_old_textdomain( $mofile, $textdomain ) {
if ( $textdomain === 'easy-digital-downloads' && ! file_exists( $mofile ) ) {
$mofile = dirname( $mofile ) . DIRECTORY_SEPARATOR . str_replace( $textdomain, 'edd', basename( $mofile ) );
}
return $mofile;
}
}
endif; // End if class_exists check.
/**
* The main function for that returns Easy_Digital_Downloads
*
* The main function responsible for returning the one true Easy_Digital_Downloads
* Instance to functions everywhere.
*
* Use this function like you would a global variable, except without needing
* to declare the global.
*
* Example: <?php $edd = EDD(); ?>
*
* @since 1.4
* @return object|Easy_Digital_Downloads The one true Easy_Digital_Downloads Instance.
*/
function EDD() {
return Easy_Digital_Downloads::instance();
}
// Get EDD Running.
EDD();