Disable Nags - WordPress plugin

disable-nags.php

<?php
/**
 * Plugin Name: Disable Nags
 * Description: Disables the WP core update nags in the backend on production
 * Version:     1.1
 * Author:      Zachary Scott
 */

namespace zacscott;

/**
 *
 * NOTE:
 * Originally adapted from the following tutorial:
 * http://www.wpoptimus.com/626/7-ways-disable-update-wordpress-notifications/
 *
 * @author Zachary Scott <[email protected]>
 */
class DisableNags {

	public function __construct() {

		if ( ! ( defined( 'WP_LOCAL_DEV' ) && WP_LOCAL_DEV ) && ! ( defined( 'WP_DEBUG' ) && WP_DEBUG ) ) {

			// WP core notices
			add_filter( 'pre_site_transient_update_core', array( $this, 'remove_core_updates' ) );
			add_filter( 'pre_site_transient_update_plugins', array( $this, 'remove_core_updates' ) );
			add_filter( 'pre_site_transient_update_themes', array( $this, 'remove_core_updates' ) );

		}

	}

	// Disables the WP core updates
	public function remove_core_updates() {
		global $wp_version;

		return (object) array(
			'last_checked'    => time(),
			'version_checked' => $wp_version,
		);

	}

	// Filters the admin notices
	public function filter_admin_notices() {
		global $wp_filter;

		$admin_notices = $wp_filter[ 'admin_notices' ];
		if ( is_array( $admin_notices ) ) {
			foreach ( $admin_notices as $id => $hooks ) {
				foreach ( $hooks as $hook ) {
					if ( ! isset( $hook['function'] ) ) {
						continue;
					}
					$function = $hook['function'];

					$killit = $this->check_admin_notices( $function );
					if ( $killit ) {
						remove_action( 'admin_notices', $function );
					}

				}
			}
		}

	}

}

// Boot
new DisableNags();

/**
 * Copyright (C) 2014 2015,  Zachary Scott <[email protected]>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */