Simplechimp options filter WordPress plugin.

wp-simplechimp-options.php

<?php

/**
 * @package SimpleChimp Options
 * @version 1.0.0
 */

/*
 * Plugin Name: SimpleChimp Options
 * Plugin URI: https://github.com/barryceelen/simplechimp
 * Description: Filters Simplechimp options.
 * Author: Barry Ceelen
 * Author URI: http://github.com/barryceelen/
 * Version: 1.0.0
 * License: GPL2+
 */

add_filter( 'simplechimp_options', 'simplechimp_options_filter_options', 9999 );

function simplechimp_options_filter_options( $options ) {

	/**
	 * Simplechimp defaults:
	 *
	 * 	$options = array(
	 * 		'api_key' => '',
	 * 		'list_id' => '',
	 * 		'labels'  => array(
	 * 			'label'       => __( 'E-mail', 'simplechimp' ),
	 * 			'submit'      => __( 'Subscribe', 'simplechimp' ),
	 * 			'placeholder' => __( 'E-mail', 'simplechimp' )
	 * 		),
	 * 		'messages' => array(
	 * 			'error'         => __( 'An error occurred.', 'simplechimp' ),
	 * 			'error_nonce'   => __( 'An error occurred, try reloading the page.', 'simplechimp' ),
	 * 			'invalid_email' => __( 'Invalid email address.', 'simplechimp' ),
	 * 			'already'       => __( 'Already subscribed.', 'simplechimp' ),
	 * 			'success'       => __( 'Thank you for subscribing.', 'simplechimp' )
	 * 		)
	 * 	);
	 */

	$options['list_id'] = '';
	$options['api_key'] = '';
	return $options;
}