File Content: Providers.php <?php namespace WPForms\Providers; /** * Class Providers gives ability to track/load all providers. * * @since 1.4.7 * @since 1.7.3 Renamed from `Loader` to `Providers`. */ class Providers { /** * 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\Providers::get_instance();`. * * @since 1.4.7 */ public static function get_instance() { static $instance; if ( ! $instance ) { $instance = new Providers(); } 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', [ $provider, 'register_provider' ] ); // WPForms > Settings > Integrations page. $integration = $provider->get_page_integrations(); if ( $integration !== null ) { add_action( 'wpforms_settings_providers', [ $integration, 'display' ], $provider::PRIORITY, 2 ); } // Editing Single Form > Form Builder. $form_builder = $provider->get_form_builder(); if ( $form_builder !== null ) { add_action( 'wpforms_providers_panel_sidebar', [ $form_builder, 'display_sidebar' ], $provider::PRIORITY ); add_action( 'wpforms_providers_panel_content', [ $form_builder, 'display_content' ], $provider::PRIORITY ); } // Process entry submission. $process = $provider->get_process(); if ( $process !== null ) { add_action( 'wpforms_process_complete', [ $process, 'process' ], 5, 4 ); } } } Submit