Plugin Extension Boilerplate

peb.php

<?php
/**
 * Plugin Name: Plugin Extension Boilerplate
 * Plugin URI: https://rezzz.com/
 * Description: Extend an existing plugin with more functionality (based: https://codeable.io/community/how-to-extend-a-wordpress-plugin-my-plugin-boilerplate/)
 * Version: 1.0.0
 * Author: Jason Resnick
 * Author URI: https://rezzz.com/
 * License: GNU General Public License v3.0
 * License URI: http://www.gnu.org/licenses/gpl-3.0.html
 *
 * @package 	PEB
 * @category 	Core
 * @author 		rezzz
 */

class PEB {
	private $textdomain = 'peb';
	private $required_plugins = array();

	function have_required_plugins() {
		if ( empty( $this->required_plugins ) ) {
			return true;
		}
		$active_plugins = (array) get_option( 'active_plugins', array() );
		if ( is_multisite() ) {
			$active_plugins = array_merge( $active_plugins, get_site_option( 'active_sitewide_plugins', array() ) );
		}
		foreach ( $this->required_plugins as $key => $required ) {
			$required = ( ! is_numeric( $key ) ) ? "{$key}/{$required}.php" : "{$required}/{$required}.php";
			if ( ! in_array( $required, $active_plugins ) && ! array_key_exists( $required, $active_plugins ) ) {
				return false;
			}
		}
		return true;
	}

	function __construct() {
		if ( ! $this->have_required_plugins() ) {
			return;
		}
		add_action( 'plugin_hook', array( $this, 'class_method' ) );

	}

	function class_method( $person ) {
	}
}

global $PEB;
$PEB = new PEB();