/**
* Get accessor method for instance property.
*
* @return WP_Array_Util Instance of the class.
*/
public static function get_instance()
{
if (null == self::$instance) {
self::$instance = new self();
}
return self::$instance;
}
protected function setUp()
{
$this->existing_array = array(any_string(), any_string(), any_string());
$this->items_to_add = array(any_string(), any_string(), any_string());
$this->wp_array_util = WP_Array_Util::get_instance();
}
/**
* Initializes view.
*
* @param $columns array Existing post type columns.
* @return mixed Modified post type columns
*/
public function __initialize($columns)
{
$wp_array_util = WP_Array_Util::get_instance();
$custom_columns = array('recipe_id' => 'Id');
return $wp_array_util->add_items_at_index($columns, $custom_columns, 2);
}
