File Content: Loader.php <?php namespace WPForms\Providers; /** * Class Loader gives ability to track/load all providers. * * @since 1.4.7 */ class Loader { /** * Get the instance of a class and store it in itself. * Later we will be able to use this class as $providers_loader = \WPForms\Providers\Loader::get_instance(); * * @since 1.4.7 */ public static function get_instance() { static $instance; if ( ! $instance ) { $instance = new Loader(); } return $instance; } /** * Loader constructor. * * @since 1.4.7 */ public function __construct() { } /** * Register a provider. * * @since 1.4.7 * * @param \WPForms\Providers\Provider\Core $provider The core class of a single provider. */ public function register( Provider\Core $provider ) { \add_filter( 'wpforms_providers_available', array( $provider, 'register_provider' ) ); // WPForms > Settings > Integrations page. $integration = $provider->get_page_integrations(); if ( null !== $integration ) { \add_action( 'wpforms_settings_providers', array( $integration, 'display' ), $provider::PRIORITY, 2 ); } // Editing Single Form > Form Builder. $form_builder = $provider->get_form_builder(); if ( null !== $form_builder ) { \add_action( 'wpforms_providers_panel_sidebar', array( $form_builder, 'display_sidebar' ), $provider::PRIORITY ); \add_action( 'wpforms_providers_panel_content', array( $form_builder, 'display_content' ), $provider::PRIORITY ); } // Process entry submission. $process = $provider->get_process(); if ( null !== $process ) { \add_action( 'wpforms_process_complete', array( $process, 'process' ), 5, 4 ); } } } Submit