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eth-amp-analytics-wp.php 2.79 KiB
<?php
/*
Plugin Name: Google Analytics for AMP
Plugin URI: https://ethitter.com/plugins/
Description: Enable Google Analytics support for Automattic's AMP plugin
Author: Erick Hitter
Version: 0.1
Author URI: https://ethitter.com/

This program 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
(at your option) any later version.

This program 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 this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

class ETH_AMP_Analytics_WP {
	/**
	 * Singleton
	 */
	private static $instance = null;

	/**
	 * Instantiate singleton
	 */
	public static function get_instance() {
		if ( ! is_a( self::$instance, __CLASS__ ) ) {
			self::$instance = new self;
		}

		return self::$instance;
	}

	/**
	 * Class properties
	 */
	private $plugin_option_name = 'eth_amp_analytics_wp';
	private $plugin_option_defaults = array(
		'property_id' => null,
	);

	private $options = null;

	/**
	 * Register actions and filters
	 *
	 * @return null
	 */
	private function __construct() {
		if ( ! defined( 'AMP__FILE__' ) ) {
			return;
		}

		add_action( 'wp_loaded', array( $this, 'action_wp_loaded' ) );
	}

	/**
	 *
	 */
	public function action_wp_loaded() {
		// Front-end
		$ga_options = get_option( $this->plugin_option_name );