mb-relationships.php

<?php
/**
 * Plugin Name:      MB Relationships
 * Plugin URI:       https://metabox.io/plugins/mb-relationships/
 * Description:      Create many-to-many relationships between posts, users, terms, etc.
 * Version:          1.12.3
 * Author:           MetaBox.io
 * Author URI:       https://metabox.io
 * License:          GPL2+
 * Text Domain:      mb-relationships
 * Domain Path:      /languages/
 * Requires Plugins: meta-box
 */

// Prevent loading this file directly.
if ( ! defined( 'ABSPATH' ) ) {
	return;
}

if ( ! class_exists( 'MBR_Loader' ) ) {
	require __DIR__ . '/inc/loader.php';
	$loader = new MBR_Loader();

	// Create relationships table only when plugin is activated.
	register_activation_hook( __FILE__, [ $loader, 'activate' ] );

	// Hook to 'init' with priority 5 to make sure all actions are registered before Meta Box runs.
	add_action( 'init', [ $loader, 'init' ], 5 );
}