/**
* Gets instance of class.
*
* @return WP_Recipe_Cross_Reference_Posts Instance of the class.
*/
public static function get_instance()
{
if (null == self::$instance) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Renders recipe index item.
*
* @param $recipe_id string Recipe id.
*/
public function render($recipe_id)
{
$wp_recipe = WP_Recipe::get_instance();
$post_meta_key = WP_Recipe_Cross_Reference_Posts::get_instance()->get_post_meta_key();
$post_references = get_post_meta($recipe_id, $post_meta_key);
if (empty($post_references)) {
return;
}
$permalink = get_permalink($post_references[0]);
$title = get_the_title();
$link_title = __('View recipe for', $wp_recipe->get_slug()) . ' ' . $title;
echo '<li>';
echo '<a href="' . $permalink . '" rel="bookmark" title="' . $link_title . '">';
echo $title;
echo '</a>';
echo '</li>';
}
/**
* Saves data.
*/
public function __save()
{
global $post;
if (empty($post) || !array_key_exists('content', $_POST)) {
return;
}
$post_id = $post->ID;
$wp_recipe = WP_Recipe::get_instance();
$wp_recipe_util = WP_Recipe_Util::get_instance();
$post_references = WP_Recipe_Cross_Reference_Posts::get_instance();
$recipe_references = WP_Recipe_Cross_Reference_Recipes::get_instance();
/*
* Need to grab the content from `$_POST` and not the `global post` because
* the `global post` contains the existing post information and the `$_POST`
* contains the new information being saved.
*/
$shortcode = $wp_recipe_util->get_shortcode($wp_recipe->get_slug());
$recipe_ids = $wp_recipe_util->get_shortcode_attribute_values($_POST['content'], $shortcode, 'id');
$post_references->update($post_id, $recipe_ids);
$recipe_references->update($post_id, $recipe_ids);
}
<?php WP_Recipe_Cross_Reference_Posts::get_instance(); WP_Recipe_Cross_Reference_Recipes::get_instance(); WP_Recipe_Cross_References::get_instance(); WP_Recipe_Description::get_instance(); WP_Recipe_Difficulty::get_instance(); WP_Recipe_Directions::get_instance(); WP_Recipe_Enqueue_Admin_Scripts::get_instance(); WP_Recipe_Enqueue_Admin_Styles::get_instance(); WP_Recipe_Enqueue_Scripts::get_instance(); WP_Recipe_Enqueue_Styles::get_instance(); WP_Recipe_Grunticon::get_instance(); WP_Recipe_Id::get_instance(); WP_Recipe_Ingredients::get_instance(); WP_Recipe_Post_Type::get_instance(); WP_Recipe_Post_Type_Columns::get_instance(); WP_Recipe_Post_Type_Remove_Default_Views::get_instance(); WP_Recipe_Query::get_instance(); WP_Recipe_Search_Results::get_instance(); WP_Recipe_Shortcode::get_instance(); WP_Recipe_Taxonomies::get_instance(); WP_Recipe_Tips::get_instance(); WP_Recipe_Yield::get_instance();