WordPress Plugin Skeleton

wp-plugin-skeleton.php

<?php
/**
 * Plugin Name: Plugin Skeleton
 * Description: Static Base plugin for WordPress.
 * Version:     1.0.0
 * Author:      starise
 * Author URI:  http://stari.se
 * License:     GPL
 */

/**
 * Documentation:
 * @link http://wpkrauts.com/2013/initialize-a-plugin-with-a-configuration-object/
 * @link https://gist.github.com/toscho/3804204
 */

namespace Vendor\Plugins;

add_action( 'plugins_loaded', [ Skeleton::get_instance(), 'init' ] );

class Skeleton
{
	/**
	 * Plugin instance.
	 *
	 * @see get_instance()
	 * @type object
	 */
	protected static $instance = NULL;

	public $plugin_url = '';

	public $plugin_path = '';

	/**
	 * Access this plugin’s working instance.
	 *
	 * @wp-hook plugins_loaded
	 * @return object of this class
	 */
	public static function get_instance()
	{
		NULL === self::$instance and self::$instance = new self;

		return self::$instance;
	}

	/**
	 * Used for regular plugin work.
	 *
	 * @wp-hook plugins_loaded
	 * @return void
	 */
	public function init()
	{
		$this->plugin_url    = plugins_url( '/', __FILE__ );
		$this->plugin_path   = plugin_dir_path( __FILE__ );
		$this->load_language( 'skeleton' );
		// more stuff: register actions and filters
	}

	/**
	 * Constructor. Intentionally left empty and public.
	 *
	 * @see init()
	 */
	public function __construct() {}

	/**
	 * Loads translation file.
	 *
	 * Accessible to other classes to load different language files
	 * (admin and front-end for example).
	 *
	 * @link https://codex.wordpress.org/Function_Reference/load_plugin_textdomain
	 *
	 * @wp-hook init
	 * @param  string $domain
	 * @return void
	 */
	public function load_language( $domain )
	{
		load_plugin_textdomain( $domain, FALSE, $this->plugin_path . 'lang' );
	}
}