quick-plugin-switcher.php

<?php
/**
 * Plugin Name: Quick Plugin Switcher
 * Plugin URI:  https://dineshinaublog.wordpress.com/quick-plugin-switcher
 * Description: This simplifies plugin handling operations by adding a new bulk action "Switch" on this page and also adds easy "Activate Again" & "Deactivate Again" links on plugin notices. You can delete a plugin directly from deactivated notice too.
 * Version:     1.6.1
 * Author:      Dinesh Yadav
 * Author URI:  https://dineshinaublog.wordpress.com
 * Text Domain: quick-plugin-switcher
 * Domain Path: /languages
 * Requires PHP: 7.4
 * Requires at least: 5.0
 *
 * @package quick-plugin-switcher
 */

defined( 'ABSPATH' ) || exit; // Exit if accessed directly.

if ( ! class_exists( 'DKQPS_Core' ) ) {
	/**
	 * Plugin core class file.
	 *
	 * Class DKQPS_Core
	 */
	class DKQPS_Core {
		/**
		 * Instance variable.
		 *
		 * @var $instance
		 */
		public static $instance = null;

		/**
		 * Variable to hold Admin object.
		 *
		 * @var DKQPS_Admin
		 */
		public $admin;

		/**
		 * DKQPS_Core constructor.
		 */
		public function __construct() {
			/**
			 * Load important variables and constants.
			 */
			$this->define_plugin_properties();

			/**
			 * Initiates and load hooks.
			 */
			$this->load_hooks();
		}

		/**
		 * Defining constants.
		 */
		public function define_plugin_properties() {
			define( 'DKQPS_VERSION', '1.6.0' );
			define( 'DKQPS_PLUGIN_FILE', __FILE__ );
			define( 'DKQPS_PLUGIN_DIR', __DIR__ );
			define( 'DKQPS_PLUGIN_SLUG', 'quick-plugin-switcher' );
			add_action( 'plugins_loaded', array( $this, 'load_wp_dependent_properties' ), 1 );
		}

		/**
		 * Define wp dependent properties.
		 */
		public function load_wp_dependent_properties() {
			define( 'DKQPS_PLUGIN_URL', untrailingslashit( plugin_dir_url( DKQPS_PLUGIN_FILE ) ) );
			define( 'DKQPS_PLUGIN_BASENAME', plugin_basename( __FILE__ ) );
		}

		/**
		 * Adding actions.
		 */
		public function load_hooks() {
			/**
			 * Initialize Localization.
			 */
			add_action( 'init', array( $this, 'localization' ) );
			add_action( 'plugins_loaded', array( $this, 'load_classes' ), 1 );
		}

		/**
		 * Loading plugin text domain.
		 */
		public function localization() {
			load_plugin_textdomain( 'quick-plugin-switcher', false, __DIR__ . '/languages/' );
		}

		/**
		 * Loading classes.
		 */
		public function load_classes() {
			/**
			 * Loads the Admin file.
			 */
			include __DIR__ . '/admin/class-dkqps-admin.php';
			$this->admin = DKQPS_Admin::get_instance();
		}

		/**
		 * Function to create a new instance.
		 *
		 * @return DKQPS_Core
		 */
		public static function get_instance() {
			if ( null === self::$instance ) {
				self::$instance = new self();
			}

			return self::$instance;
		}
	}

	DKQPS_Core::get_instance();
}