/**
* Get the singleton instance of the class.
*
* @since 1.3.3
*
* @return object self::$instance The single instance of the class.
*/
public static function get_instance()
{
if (is_null(self::$instance)) {
self::$instance = new self();
}
return self::$instance;
}
<?php
/**
* Add the admin action and filter hooks
*
* @since 1.3.3
*
* @package Simmer/Admin/Hooks
*/
// If this file is called directly, get outa' town.
if (!defined('WPINC')) {
die;
}
/**** General Dashboard ****/
// Load the dashboard customizing class.
$simmer_dashboard = Simmer_Admin_Dashboard::get_instance();
// Enqueue the custom scripts.
add_action('admin_enqueue_scripts', array($simmer_dashboard, 'enqueue_scripts'));
// Add the published recipe count to the "At a Glance" dashboard widget.
add_filter('dashboard_glance_items', array($simmer_dashboard, 'add_glance_recipe_count'));
// Add the plugin list table row "Settings" link.
add_action('plugin_action_links_' . SIMMER_PLUGIN_FILE, array($simmer_dashboard, 'add_settings_link'));
//Add a Simmer "thank you" link to the admin footer.
add_action('admin_footer_text', array($simmer_dashboard, 'add_footer_text'), 20);
// Unload the dashboard customizing class from memory.
unset($simmer_dashboard);
/**** Recipes ****/
// Load the recipes admin class.
$simmer_admin_recipes = Simmer_Admin_Recipes::get_instance();
// Add the recipe metaboxes.
add_action('add_meta_boxes', array($simmer_admin_recipes, 'add_metaboxes'));