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Edit File: akismet.php

<?php
/**
 * @package Akismet
 */
/*
Plugin Name: Akismet Anti-spam: Spam Protection
Plugin URI: https://akismet.com/
Description: Used by millions, Akismet is quite possibly the best way in the world to <strong>protect your blog from spam</strong>. Akismet Anti-spam keeps your site protected even while you sleep. To get started: activate the Akismet plugin and then go to your Akismet Settings page to set up your API key.
Version: 5.6
Requires at least: 5.8
Requires PHP: 7.2
Author: Automattic - Anti-spam Team
Author URI: https://automattic.com/wordpress-plugins/
License: GPLv2 or later
Text Domain: akismet
*/

/*
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 Street, Fifth Floor, Boston, MA  02110-1301, USA.

// Make sure we don't expose any info if called directly
if ( ! function_exists( 'add_action' ) ) {
	echo 'Hi there!  I\'m just a plugin, not much I can do when called directly.';
	exit;
}

define( 'AKISMET_VERSION', '5.6' );
define( 'AKISMET__MINIMUM_WP_VERSION', '5.8' );
define( 'AKISMET__PLUGIN_DIR', plugin_dir_path( __FILE__ ) );
define( 'AKISMET_DELETE_LIMIT', 10000 );

register_activation_hook( __FILE__, array( 'Akismet', 'plugin_activation' ) );
register_deactivation_hook( __FILE__, array( 'Akismet', 'plugin_deactivation' ) );

require_once AKISMET__PLUGIN_DIR . 'class.akismet.php';
require_once AKISMET__PLUGIN_DIR . 'class.akismet-widget.php';
require_once AKISMET__PLUGIN_DIR . 'class.akismet-rest-api.php';
require_once AKISMET__PLUGIN_DIR . 'class-akismet-compatible-plugins.php';

add_action( 'init', array( 'Akismet', 'init' ) );

add_action( 'rest_api_init', array( 'Akismet_REST_API', 'init' ) );

add_action( 'init', array( 'Akismet_Compatible_Plugins', 'init' ) );

if ( is_admin() || ( defined( 'WP_CLI' ) && WP_CLI ) ) {
	require_once AKISMET__PLUGIN_DIR . 'class.akismet-admin.php';
	add_action( 'init', array( 'Akismet_Admin', 'init' ) );
}

// add wrapper class around deprecated akismet functions that are referenced elsewhere
require_once AKISMET__PLUGIN_DIR . 'wrapper.php';

if ( defined( 'WP_CLI' ) && WP_CLI ) {
	require_once AKISMET__PLUGIN_DIR . 'class.akismet-cli.php';
}