Test plugin for https://github.com/wp-cli/wp-cli/pull/592

bad-plugin.php

<?php
/*
Plugin Name: Bad Plugin
Plugin URI: http://github.com/wp-cli/wp-cli
Description: Creates a difficult to search-replace option
Author: Mike Schroder
Version: 0.1
Author URI: http://www.getsource.net/
*/

add_action( 'init', 'gs_add_bogus_option' );
function gs_add_bogus_option() {
	update_option( 'gs_bad_option', serialize( GS_WP_Private_Singleton::get_instance() ) );
}

class GS_WP_Private_Singleton {
	protected static $instance;

	public $stuff = "I am a string";
	public $things = "I have the things";

	private function __construct() {
		return 1;
	}

	public static function get_instance() {
		if ( !self::$instance ) {
			self::$instance = new GS_WP_Private_Singleton();
		}

		return self::$instance;
	}
}