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easy-digital-downloads.php
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easy-digital-downloads.php
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<?php
/**
* Plugin Name: Easy Digital Downloads
* Plugin URI: http://easydigitaldownloads.com
* Description: Serve Digital Downloads Through WordPress
* Author: Pippin Williamson
* Author URI: http://pippinsplugins.com
* Version: 1.8.2.1
* Text Domain: edd
* 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 1.8.2.1
*/
// 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 User Roles and Capabilities Object
*
* @var object
* @since 1.4.4
*/
public $roles;
/**
* EDD Cart Fees Object
*
* @var object
* @since 1.5
*/
public $fees;
/**
* EDD API Object
*
* @var object
* @since 1.5
*/
public $api;
/**
* EDD HTML Session Object
*
* This holds cart items, purchase sessions, and anything else stored in the session
*
*
* @var object
* @since 1.5
*/
public $session;
/**
* EDD HTML Element Helper Object
*
* @var object
* @since 1.5
*/
public $html;
/**
* 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 $instance
* @uses Easy_Digital_Downloads::setup_globals() Setup the globals needed
* @uses Easy_Digital_Downloads::includes() Include the required files
* @uses Easy_Digital_Downloads::setup_actions() Setup the hooks and actions
* @see EDD()
* @return The one true Easy_Digital_Downloads
*/
public static function instance() {
if ( ! isset( self::$instance ) && ! ( self::$instance instanceof Easy_Digital_Downloads ) ) {
self::$instance = new Easy_Digital_Downloads;
self::$instance->setup_constants();
self::$instance->includes();
self::$instance->load_textdomain();
self::$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();
}
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?', 'edd' ), '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?', 'edd' ), '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', '1.8.2.1' );
// 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__ );
}
/**
* Include required files
*
* @access private
* @since 1.4
* @return void
*/
private function includes() {
global $edd_options, $wp_version;
require_once EDD_PLUGIN_DIR . 'includes/admin/settings/register-settings.php';
$edd_options = edd_get_settings();
require_once EDD_PLUGIN_DIR . 'includes/actions.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/template-functions.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/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-api.php';
require_once EDD_PLUGIN_DIR . 'includes/class-edd-cache-helper.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-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/mime-types.php';
require_once EDD_PLUGIN_DIR . 'includes/gateways/actions.php';
require_once EDD_PLUGIN_DIR . 'includes/gateways/functions.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/misc-functions.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/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';
if( is_admin() ) {
require_once EDD_PLUGIN_DIR . 'includes/admin/add-ons.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/admin-actions.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/admin-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/export-functions.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/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/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/reports.php';
require_once EDD_PLUGIN_DIR . 'includes/admin/reporting/pdf-reports.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/tracking.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/welcome.php';
if( version_compare( $wp_version, '3.6', '>=' ) ) {
require_once EDD_PLUGIN_DIR . 'includes/admin/class-edd-heartbeat.php';
}
} else {
require_once EDD_PLUGIN_DIR . 'includes/process-download.php';
require_once EDD_PLUGIN_DIR . 'includes/shortcodes.php';
require_once EDD_PLUGIN_DIR . 'includes/theme-compatibility.php';
}
require_once EDD_PLUGIN_DIR . 'includes/install.php';
}
/**
* Loads the plugin language files
*
* @access public
* @since 1.4
* @return void
*/
public function load_textdomain() {
// 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
$locale = apply_filters( 'plugin_locale', get_locale(), 'edd' );
$mofile = sprintf( '%1$s-%2$s.mo', 'edd', $locale );
// Setup paths to current locale file
$mofile_local = $edd_lang_dir . $mofile;
$mofile_global = WP_LANG_DIR . '/edd/' . $mofile;
if ( file_exists( $mofile_global ) ) {
// Look in global /wp-content/languages/edd folder
load_textdomain( 'edd', $mofile_global );
} elseif ( file_exists( $mofile_local ) ) {
// Look in local /wp-content/plugins/easy-digital-downloads/languages/ folder
load_textdomain( 'edd', $mofile_local );
} else {
// Load the default language files
load_plugin_textdomain( 'edd', false, $edd_lang_dir );
}
}
}
endif; // End if class_exists check
/**
* 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 The one true Easy_Digital_Downloads Instance
*/
function EDD() {
return Easy_Digital_Downloads::instance();
}
// Get EDD Running
EDD();