laipower/wp-content/plugins/subscribe2/subscribe2.php

<?php
/*
Plugin Name: Subscribe2
Plugin URI: https://getwemail.io
Description: Notifies an email list when new entries are posted.
Version: 10.36
Author: weMail
Author URI: https://getwemail.io
Licence: GPLv3
Text Domain: subscribe2
*/

/*
Copyright (C) 2020 weDevs (info@getwemail.io)
Based on the Original Subscribe2 plugin by
Copyright (C) 2005 Scott Merrill (skippy@skippy.net)

This file is part of Subscribe2.

Subscribe2 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 3 of the License, or
(at your option) any later version.

Subscribe2 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 Subscribe2. If not, see <http://www.gnu.org/licenses/>.
*/

if ( version_compare( $GLOBALS['wp_version'], '4.4', '<' ) || ! function_exists( 'add_action' ) ) {
	if ( ! function_exists( 'add_action' ) ) {
		$exit_msg = __( "I'm just a plugin, please don't call me directly", 'subscribe2' );
	} else {
		// Translators: Subscribe2 needs WordPress 4.4 or above, exit if not on a compatible version
		$exit_msg = sprintf( __( 'This version of Subscribe2 requires WordPress 4.4 or greater. Please update %1$s or use an older version of %2$s.', 'subscribe2' ), '<a href="http://codex.wordpress.org/Updating_WordPress">WordPress</a>', '<a href="https://subscribe2.wordpress.com/subscribe2-html/">Subscribe2</a>' );
	}
	exit( esc_html( $exit_msg ) );
}

// stop Subscribe2 being activated site wide on Multisite installs
if ( ! function_exists( 'is_plugin_active_for_network' ) ) {
	require_once ABSPATH . '/wp-admin/includes/plugin.php';
}

if ( is_plugin_active_for_network( plugin_basename( __FILE__ ) ) ) {
	deactivate_plugins( plugin_basename( __FILE__ ) );
	$exit_msg = __( 'Subscribe2 HTML cannot be activated as a network plugin. Please activate it on a site level', 'subscribe2' );
	exit( esc_html( $exit_msg ) );
}

// our version number. Don't touch this or any line below
// unless you know exactly what you are doing
define( 'S2VERSION', '10.36' );
define( 'S2PLUGIN', __FILE__ );
define( 'S2PATH', trailingslashit( dirname( __FILE__ ) ) );
define( 'S2DIR', trailingslashit( dirname( plugin_basename( __FILE__ ) ) ) );
define( 'S2URL', plugin_dir_url( dirname( __FILE__ ) ) . S2DIR );

// Set maximum execution time to 5 minutes
if ( function_exists( 'set_time_limit' ) ) {
	set_time_limit( 300 );
}


global $mysubscribe2;

require_once S2PATH . 'classes/class-s2-core.php';

if ( is_admin() ) {
	require_once S2PATH . 'classes/class-s2-admin.php';
	$mysubscribe2 = new S2_Admin();
} else {
	require_once S2PATH . 'classes/class-s2-frontend.php';
	$mysubscribe2 = new S2_Frontend();
}

add_action( 'plugins_loaded', array( $mysubscribe2, 's2init' ) );

/**
 * Initialize the plugin tracker
 *
 * @return void
 */
function subscribe2_init_appsero() {

    if ( ! class_exists( 'Appsero\Client' ) ) {
    	require_once S2PATH . 'include/appsero/src/Client.php';
    }

    $client = new Appsero\Client( '6c1e710d-aab6-4d4b-b29d-aad2ff773f4c', 'Subscribe2', __FILE__ );
    $client->insights()->init();
}

subscribe2_init_appsero();