give.php

<?php
/**
 * Plugin Name: Give - Donation Plugin
 * Plugin URI: https://givewp.com
 * Description: The most robust, flexible, and intuitive way to accept donations on WordPress.
 * Author: WordImpress
 * Author URI: https://wordimpress.com
 * Version: 1.5.2
 * Text Domain: give
 * Domain Path: /languages
 * GitHub Plugin URI: https://github.com/WordImpress/Give
 *
 * Give 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.
 *
 * Give 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 Give. If not, see <http://www.gnu.org/licenses/>.
 *
 * A Tribute to Open Source:
 *
 * "Open source software is software that can be freely used, changed, and shared (in modified or unmodified form) by anyone. Open
 * source software is made by many people, and distributed under licenses that comply with the Open Source Definition."
 *
 * -- The Open Source Initiative
 *
 * Give is a tribute to the spirit and philosophy of Open Source. We at WordImpress gladly embrace the Open Source philosophy both
 * in how Give itself was developed, and how we hope to see others build more from our code base.
 *
 * Give would not have been possible without the tireless efforts of WordPress and the surrounding Open Source projects and their talented developers. Thank you all for your contribution to WordPress.
 *
 * - The WordImpress Team
 *
 */

// Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

if ( ! class_exists( 'Give' ) ) :
	/**
	 * Main Give Class
	 *
	 * @since 1.0
	 */
	final class Give {
		/** Singleton *************************************************************/


		/**
		 * @var Give The one true Give
		 * @since 1.0
		 */
		private static $instance;

		/**
		 * Give Roles Object
		 *
		 * @var Give_Roles object
		 * @since 1.0
		 */
		public $roles;

		/**
		 * Give Settings Object
		 *
		 * @var Give_Plugin_Settings object
		 * @since 1.0
		 */
		public $give_settings;

		/**
		 * Give Session Object
		 *
		 * This holds donation data for user's session
		 *
		 * @var Give_Session object
		 * @since 1.0
		 */
		public $session;

		/**
		 * Give HTML Element Helper Object
		 *
		 * @var Give_HTML_Elements object
		 * @since 1.0
		 */
		public $html;


		/**
		 * Give Emails Object
		 *
		 * @var Give_Emails object
		 * @since 1.0
		 */
		public $emails;

		/**
		 * Give Email Template Tags Object
		 *
		 * @var Give_Email_Template_Tags object
		 * @since 1.0
		 */
		public $email_tags;

		/**
		 * Give Customers DB Object
		 *
		 * @var object|Give_DB_Customers object
		 * @since 1.0
		 */
		public $customers;

		/**
		 * Give API Object
		 *
		 * @var Give_API object
		 * @since 1.1
		 */
		public $api;

		/**
		 * Give Template Loader Object
		 *
		 * @var Give_Template_Loader object
		 * @since 1.0
		 */
		public $template_loader;

		/**
		 * Give No Login Object
		 *
		 * @var Give_Email_Access object
		 * @since 1.0
		 */
		public $email_access;

		/**
		 * Main Give Instance
		 *
		 * Insures that only one instance of Give exists in memory at any one
		 * time. Also prevents needing to define globals all over the place.
		 *
		 * @since     1.0
		 * @static
		 * @staticvar array $instance
		 * @uses      Give::setup_constants() Setup the constants needed
		 * @uses      Give::includes() Include the required files
		 * @uses      Give::load_textdomain() load the language files
		 * @see       Give()
		 * @return    Give
		 */
		public static function instance() {
			if ( ! isset( self::$instance ) && ! ( self::$instance instanceof Give ) ) {
				self::$instance = new Give;
				self::$instance->setup_constants();

				add_action( 'plugins_loaded', array( self::$instance, 'load_textdomain' ) );

				self::$instance->includes();
				self::$instance->roles           = new Give_Roles();
				self::$instance->api             = new Give_API();
				self::$instance->give_settings   = new Give_Plugin_Settings();
				self::$instance->session         = new Give_Session();
				self::$instance->html            = new Give_HTML_Elements();
				self::$instance->emails          = new Give_Emails();
				self::$instance->email_tags      = new Give_Email_Template_Tags();
				self::$instance->customers       = new Give_DB_Customers();
				self::$instance->template_loader = new Give_Template_Loader();
				self::$instance->email_access    = new Give_Email_Access();

			}


			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  1.0
		 * @access protected
		 * @return void
		 */
		public function __clone() {
			// Cloning instances of the class is forbidden
			_doing_it_wrong( __FUNCTION__, __( 'Cheatin&#8217; huh?', 'give' ), '1.0' );
		}

		/**
		 * Disable unserializing of the class
		 *
		 * @since  1.0
		 * @access protected
		 * @return void
		 */
		public function __wakeup() {
			// Unserializing instances of the class is forbidden
			_doing_it_wrong( __FUNCTION__, __( 'Cheatin&#8217; huh?', 'give' ), '1.0' );
		}

		/**
		 * Setup plugin constants
		 *
		 * @access private
		 * @since  1.0
		 * @return void
		 */
		private function setup_constants() {

			// Plugin version
			if ( ! defined( 'GIVE_VERSION' ) ) {
				define( 'GIVE_VERSION', '1.5.2' );
			}

			// Plugin Folder Path
			if ( ! defined( 'GIVE_PLUGIN_DIR' ) ) {
				define( 'GIVE_PLUGIN_DIR', plugin_dir_path( __FILE__ ) );
			}

			// Plugin Folder URL
			if ( ! defined( 'GIVE_PLUGIN_URL' ) ) {
				define( 'GIVE_PLUGIN_URL', plugin_dir_url( __FILE__ ) );
			}

			// Plugin Basename aka: "give/give.php"
			if ( ! defined( 'GIVE_PLUGIN_BASENAME' ) ) {
				define( 'GIVE_PLUGIN_BASENAME', plugin_basename( __FILE__ ) );
			}

			// Plugin Root File
			if ( ! defined( 'GIVE_PLUGIN_FILE' ) ) {
				define( 'GIVE_PLUGIN_FILE', __FILE__ );
			}

			// Make sure CAL_GREGORIAN is defined
			if ( ! defined( 'CAL_GREGORIAN' ) ) {
				define( 'CAL_GREGORIAN', 1 );
			}
		}

		/**
		 * Include required files
		 *
		 * @access private
		 * @since  1.0
		 * @return void
		 */
		private function includes() {
			global $give_options;

			require_once GIVE_PLUGIN_DIR . 'includes/admin/class-give-settings.php';
			$give_options = give_get_settings();

			require_once GIVE_PLUGIN_DIR . 'includes/post-types.php';
			require_once GIVE_PLUGIN_DIR . 'includes/scripts.php';
			require_once GIVE_PLUGIN_DIR . 'includes/ajax-functions.php';
			require_once GIVE_PLUGIN_DIR . 'includes/actions.php';
			require_once GIVE_PLUGIN_DIR . 'includes/api/class-give-api.php';

			require_once GIVE_PLUGIN_DIR . 'includes/class-give-roles.php';
			require_once GIVE_PLUGIN_DIR . 'includes/class-give-template-loader.php';
			require_once GIVE_PLUGIN_DIR . 'includes/class-give-donate-form.php';
			require_once GIVE_PLUGIN_DIR . 'includes/class-give-db.php';
			require_once GIVE_PLUGIN_DIR . 'includes/class-give-db-customers.php';
			require_once GIVE_PLUGIN_DIR . 'includes/class-give-customer.php';
			require_once GIVE_PLUGIN_DIR . 'includes/class-give-stats.php';
			require_once GIVE_PLUGIN_DIR . 'includes/class-give-session.php';
			require_once GIVE_PLUGIN_DIR . 'includes/class-give-html-elements.php';
			require_once GIVE_PLUGIN_DIR . 'includes/class-give-logging.php';
			require_once GIVE_PLUGIN_DIR . 'includes/class-give-license-handler.php';
			require_once GIVE_PLUGIN_DIR . 'includes/class-give-cron.php';
			require_once GIVE_PLUGIN_DIR . 'includes/class-give-email-access.php';

			require_once GIVE_PLUGIN_DIR . 'includes/country-functions.php';
			require_once GIVE_PLUGIN_DIR . 'includes/template-functions.php';
			require_once GIVE_PLUGIN_DIR . 'includes/misc-functions.php';
			require_once GIVE_PLUGIN_DIR . 'includes/forms/functions.php';
			require_once GIVE_PLUGIN_DIR . 'includes/forms/template.php';
			require_once GIVE_PLUGIN_DIR . 'includes/forms/widget.php';
			require_once GIVE_PLUGIN_DIR . 'includes/shortcodes.php';
			require_once GIVE_PLUGIN_DIR . 'includes/formatting.php';
			require_once GIVE_PLUGIN_DIR . 'includes/price-functions.php';
			require_once GIVE_PLUGIN_DIR . 'includes/error-tracking.php';
			require_once GIVE_PLUGIN_DIR . 'includes/process-purchase.php';
			require_once GIVE_PLUGIN_DIR . 'includes/login-register.php';
			require_once GIVE_PLUGIN_DIR . 'includes/user-functions.php';
			require_once GIVE_PLUGIN_DIR . 'includes/plugin-compatibility.php';
			require_once GIVE_PLUGIN_DIR . 'includes/deprecated-functions.php';

			require_once GIVE_PLUGIN_DIR . 'includes/payments/functions.php';
			require_once GIVE_PLUGIN_DIR . 'includes/payments/actions.php';
			require_once GIVE_PLUGIN_DIR . 'includes/payments/class-payment-stats.php';
			require_once GIVE_PLUGIN_DIR . 'includes/payments/class-payments-query.php';
			require_once GIVE_PLUGIN_DIR . 'includes/payments/class-give-payment.php';

			require_once GIVE_PLUGIN_DIR . 'includes/gateways/functions.php';
			require_once GIVE_PLUGIN_DIR . 'includes/gateways/actions.php';
			require_once GIVE_PLUGIN_DIR . 'includes/gateways/paypal-standard.php';
			require_once GIVE_PLUGIN_DIR . 'includes/gateways/offline-donations.php';
			require_once GIVE_PLUGIN_DIR . 'includes/gateways/manual.php';

			require_once GIVE_PLUGIN_DIR . 'includes/emails/class-give-emails.php';
			require_once GIVE_PLUGIN_DIR . 'includes/emails/class-give-email-tags.php';
			require_once GIVE_PLUGIN_DIR . 'includes/emails/functions.php';
			require_once GIVE_PLUGIN_DIR . 'includes/emails/template.php';
			require_once GIVE_PLUGIN_DIR . 'includes/emails/actions.php';

			if ( is_admin() || ( defined( 'WP_CLI' ) && WP_CLI ) ) {

				require_once GIVE_PLUGIN_DIR . 'includes/admin/admin-footer.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/welcome.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/admin-pages.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/class-admin-notices.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/class-api-keys-table.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/admin-actions.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/system-info.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/add-ons.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/plugins.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/dashboard-widgets.php';

				require_once GIVE_PLUGIN_DIR . 'includes/admin/payments/actions.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/payments/payments-history.php';

				require_once GIVE_PLUGIN_DIR . 'includes/admin/customers/customers.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/customers/customer-functions.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/customers/customer-actions.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/forms/metabox.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/forms/dashboard-columns.php';

				require_once GIVE_PLUGIN_DIR . 'includes/admin/reporting/export/export-functions.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/reporting/reports.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/reporting/tools.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/reporting/tools/tools-actions.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/reporting/pdf-reports.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/reporting/class-give-graph.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/reporting/graphing.php';

				require_once GIVE_PLUGIN_DIR . 'includes/admin/shortcodes/abstract-shortcode-generator.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/shortcodes/class-shortcode-button.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/shortcodes/shortcode-give-form.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/shortcodes/shortcode-give-goal.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/shortcodes/shortcode-give-login.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/shortcodes/shortcode-give-register.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/shortcodes/shortcode-give-profile-editor.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/shortcodes/shortcode-give-donation-history.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/shortcodes/shortcode-give-receipt.php';

				require_once GIVE_PLUGIN_DIR . 'includes/admin/upgrades/upgrade-functions.php';
				require_once GIVE_PLUGIN_DIR . 'includes/admin/upgrades/upgrades.php';

			}

			require_once GIVE_PLUGIN_DIR . 'includes/install.php';

		}

		/**
		 * Loads the plugin language files
		 *
		 * @access public
		 * @since  1.0
		 * @return void
		 */
		public function load_textdomain() {
			// Set filter for Give's languages directory
			$give_lang_dir = dirname( plugin_basename( GIVE_PLUGIN_FILE ) ) . '/languages/';
			$give_lang_dir = apply_filters( 'give_languages_directory', $give_lang_dir );

			// Traditional WordPress plugin locale filter
			$locale = apply_filters( 'plugin_locale', get_locale(), 'give' );
			$mofile = sprintf( '%1$s-%2$s.mo', 'give', $locale );

			// Setup paths to current locale file
			$mofile_local  = $give_lang_dir . $mofile;
			$mofile_global = WP_LANG_DIR . '/give/' . $mofile;

			if ( file_exists( $mofile_global ) ) {
				// Look in global /wp-content/languages/give folder
				load_textdomain( 'give', $mofile_global );
			} elseif ( file_exists( $mofile_local ) ) {
				// Look in local location from filter `give_languages_directory`
				load_textdomain( 'give', $mofile_local );
			} else {
				// Load the default language files packaged up w/ Give
				load_plugin_textdomain( 'give', false, $give_lang_dir );
			}
		}
	}

endif; // End if class_exists check


/**
 * Start Give 
 * 
 * The main function responsible for returning the one true Give instance to functions everywhere.
 *
 * Use this function like you would a global variable, except without needing
 * to declare the global.
 *
 * Example: <?php $give = Give(); ?>
 *
 * @since 1.0
 * @return object|Give 
 */
function Give() {
	return Give::instance();
}

// Get Give Running
Give();