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Editing: WPForms.php
<?php // phpcs:ignore Generic.Commenting.DocComment.MissingShort /** @noinspection PhpIllegalPsrClassPathInspection */ // phpcs:ignore Universal.Namespaces.DisallowCurlyBraceSyntax.Forbidden namespace WPForms { use AllowDynamicProperties; use stdClass; use WPForms\Helpers\DB; use WPForms_Form_Handler; use WPForms_Process; use WPForms_Settings; /** * Main WPForms class. * * @since 1.0.0 */ #[AllowDynamicProperties] final class WPForms { /** * List of screen IDs where heartbeat requests are allowed. * * @since 1.9.3 * * @var string[] */ private const HEARTBEAT_ALLOWED_SCREEN_IDS = [ 'wpforms_page_wpforms-entries', ]; /** * One is the loneliest number that you'll ever do. * * @since 1.0.0 * * @var WPForms */ private static $instance; /** * Plugin version for enqueueing, etc. * The value is got from WPFORMS_VERSION constant. * * @since 1.0.0 * * @var string */ public $version = ''; /** * Classes registry. * * @since 1.5.7 * * @var array */ private $registry = []; /** * List of legacy public properties. * * @since 1.6.8 * * @var string[] */ private $legacy_properties = [ 'form', 'entry', 'entry_fields', 'entry_meta', 'frontend', 'process', 'smart_tags', 'license', ]; /** * Paid returns true, free (Lite) returns false. * * @since 1.3.9 * @since 1.7.3 changed to private. * * @var bool */ private $pro = false; /** * Backward compatibility method for accessing the class registry in an old way, * e.g. 'wpforms()->form' or 'wpforms()->entry'. * * @since 1.5.7 * * @param string $name Name of the object to get. * * @return mixed|null * @noinspection MagicMethodsValidityInspection */ public function __get( $name ) { if ( $name === 'smart_tags' ) { _deprecated_argument( 'wpforms()->smart_tags', '1.6.7 of the WPForms plugin', "Please use `wpforms()->obj( 'smart_tags' )` instead." ); } if ( $name === 'pro' ) { _deprecated_argument( 'wpforms()->pro', '1.8.2.2 of the WPForms plugin', 'Please use `wpforms()->is_pro()` instead.' ); return wpforms()->is_pro(); } return $this->get( $name ); } /** * Main WPForms Instance. * * Only one instance of WPForms exists in memory at any one time. * Also, prevent the need to define globals all over the place. * * @since 1.0.0 * * @return WPForms */ public static function instance(): WPForms { if ( self::$instance === null || ! self::$instance instanceof self ) { self::$instance = new self(); self::$instance->init(); } return self::$instance; } /** * Initialize the plugin. * * @since 1.9.3 * * @noinspection UsingInclusionOnceReturnValueInspection */ private function init() { if ( self::is_restricted_heartbeat() ) { return; } $this->constants(); $this->includes(); // Load Pro or Lite specific files. if ( $this->is_pro() ) { $this->registry['pro'] = require_once WPFORMS_PLUGIN_DIR . 'pro/wpforms-pro.php'; } else { require_once WPFORMS_PLUGIN_DIR . 'lite/wpforms-lite.php'; } $this->hooks(); } /** * Setup plugin constants. * All the path/URL related constants are defined in the main plugin file. * * @since 1.0.0 */ private function constants() { $this->version = WPFORMS_VERSION; // Plugin Slug - Determine plugin type and set slug accordingly. // This filter is documented in \WPForms\WPForms::is_pro. if ( apply_filters( 'wpforms_allow_pro_version', file_exists( WPFORMS_PLUGIN_DIR . 'pro/wpforms-pro.php' ) ) ) { $this->pro = true; define( 'WPFORMS_PLUGIN_SLUG', 'wpforms' ); } else { define( 'WPFORMS_PLUGIN_SLUG', 'wpforms-lite' ); } } /** * Include files. * * @since 1.0.0 */ private function includes() { $this->error_handler(); require_once WPFORMS_PLUGIN_DIR . 'includes/class-db.php'; require_once WPFORMS_PLUGIN_DIR . 'includes/functions.php'; require_once WPFORMS_PLUGIN_DIR . 'includes/fields/class-base.php'; $this->includes_magic(); // Global includes. require_once WPFORMS_PLUGIN_DIR . 'includes/class-install.php'; require_once WPFORMS_PLUGIN_DIR . 'includes/class-form.php'; require_once WPFORMS_PLUGIN_DIR . 'includes/class-fields.php'; // TODO: class-templates.php should be loaded in admin area only. require_once WPFORMS_PLUGIN_DIR . 'includes/class-templates.php'; // TODO: class-providers.php should be loaded in admin area only. require_once WPFORMS_PLUGIN_DIR . 'includes/class-providers.php'; require_once WPFORMS_PLUGIN_DIR . 'includes/class-process.php'; require_once WPFORMS_PLUGIN_DIR . 'includes/class-widget.php'; require_once WPFORMS_PLUGIN_DIR . 'includes/emails/class-emails.php'; require_once WPFORMS_PLUGIN_DIR . 'includes/integrations.php'; require_once WPFORMS_PLUGIN_DIR . 'includes/deprecated.php'; // Admin/Dashboard only includes, also in ajax. if ( is_admin() ) { require_once WPFORMS_PLUGIN_DIR . 'includes/admin/admin.php'; require_once WPFORMS_PLUGIN_DIR . 'includes/admin/class-notices.php'; require_once WPFORMS_PLUGIN_DIR . 'includes/admin/class-menu.php'; require_once WPFORMS_PLUGIN_DIR . 'includes/admin/builder/class-builder.php'; require_once WPFORMS_PLUGIN_DIR . 'includes/admin/builder/functions.php'; require_once WPFORMS_PLUGIN_DIR . 'includes/admin/class-settings.php'; require_once WPFORMS_PLUGIN_DIR . 'includes/admin/class-welcome.php'; require_once WPFORMS_PLUGIN_DIR . 'includes/admin/class-editor.php'; require_once WPFORMS_PLUGIN_DIR . 'includes/admin/class-review.php'; require_once WPFORMS_PLUGIN_DIR . 'includes/admin/class-about.php'; require_once WPFORMS_PLUGIN_DIR . 'includes/admin/ajax-actions.php'; } } /** * Hooks. * * @since 1.9.0 * @since 1.9.3 No longer static. * * @return void */ private function hooks() { add_action( 'plugins_loaded', [ self::$instance, 'objects' ] ); add_action( 'wpforms_settings_init', [ self::$instance, 'reinstall_custom_tables' ] ); } /** * Include the error handler to suppress deprecated messages from vendor folders. * * @since 1.8.5 */ private function error_handler() { require_once WPFORMS_PLUGIN_DIR . 'src/ErrorHandler.php'; ( new ErrorHandler() )->init(); } /** * Including the new files with PHP 5.3 style. * * @since 1.4.7 */ private function includes_magic() { // phpcs:ignore WPForms.PHP.HooksMethod.InvalidPlaceForAddingHooks // Action Scheduler requires a special loading procedure. require_once WPFORMS_PLUGIN_DIR . 'vendor/woocommerce/action-scheduler/action-scheduler.php'; // Autoload Composer packages. require_once WPFORMS_PLUGIN_DIR . 'vendor/autoload.php'; // Load the class loader. $this->register( [ 'name' => 'Loader', 'hook' => false, ] ); $this->register( [ 'name' => 'Integrations\SolidCentral\SolidCentral', 'hook' => 'plugins_loaded', 'priority' => 0, 'condition' => ! empty( $_GET['ithemes-sync-request'] ), // phpcs:ignore WordPress.Security.NonceVerification.Recommended ] ); /* * Load admin components. Exclude from frontend. */ if ( is_admin() ) { add_action( 'wpforms_loaded', [ '\WPForms\Admin\Loader', 'get_instance' ] ); } /* * Properly init the providers' loader, that will handle all the related logic and further loading. */ add_action( 'wpforms_loaded', [ '\WPForms\Providers\Providers', 'get_instance' ] ); /* * Properly init the integration loader, that will handle all the related logic and further loading. */ add_action( 'wpforms_loaded', [ '\WPForms\Integrations\Loader', 'get_instance' ] ); } /** * Setup objects. * * @since 1.0.0 */ public function objects() { // Global objects. $this->registry['form'] = new WPForms_Form_Handler(); $this->registry['process'] = new WPForms_Process(); /** * Executes when all the WPForms stuff was loaded. * * @since 1.4.0 */ do_action( 'wpforms_loaded' ); } /** * Re-create plugin custom tables if they don't exist. * * @since 1.9.0 * * @param WPForms_Settings $wpforms_settings WPForms settings object. */ public function reinstall_custom_tables( WPForms_Settings $wpforms_settings ) { if ( empty( $wpforms_settings->view ) ) { return; } // Proceed on Settings plugin admin area page only. if ( $wpforms_settings->view !== 'general' ) { return; } // Install on a current site only. if ( ! DB::custom_tables_exist() ) { DB::create_custom_tables(); } } /** * Register a class. * * @since 1.5.7 * * @param array $class_data Class registration info. * * $class_data array accepts these params: name, id, hook, run, condition. * - name: required -- class name to register. * - id: optional -- class ID to register. * - hook: optional -- hook to register the class on -- default wpforms_loaded. * - run: optional -- method to run on class instantiation -- default init. * - condition: optional -- condition to check before registering the class. */ public function register( $class_data ): void { // phpcs:ignore Generic.Metrics.CyclomaticComplexity.MaxExceeded, WPForms.PHP.HooksMethod.InvalidPlaceForAddingHooks if ( empty( $class_data['name'] ) || ! is_string( $class_data['name'] ) ) { return; } if ( isset( $class_data['condition'] ) && empty( $class_data['condition'] ) ) { return; } $full_name = $this->is_pro() ? '\WPForms\Pro\\' . $class_data['name'] : '\WPForms\Lite\\' . $class_data['name']; $full_name = class_exists( $full_name ) ? $full_name : '\WPForms\\' . $class_data['name']; // Register an addon class. if ( ! empty( $class_data['addon_class'] ) && ! empty( $class_data['addon_slug'] ) ) { $is_initialized = wpforms_is_addon_initialized( $class_data['addon_slug'] ) && $this->is_pro(); $full_name = $is_initialized ? $class_data['addon_class'] : $full_name; $full_name = strpos( $full_name, '\\' ) !== 0 ? '\\' . $full_name : $full_name; // The core plugin classes have the priority 10. // Addon classes should be initialized after the core. $class_data['priority'] = 100; } // Bail if the class doesn't exist AND it is not an addon class. if ( ! class_exists( $full_name ) && empty( $class_data['addon_class'] ) ) { return; } $id = $class_data['id'] ?? ''; $id = $id ? preg_replace( '/[^a-z_]/', '', (string) $id ) : $id; $hook = isset( $class_data['hook'] ) ? (string) $class_data['hook'] : 'wpforms_loaded'; $run = $class_data['run'] ?? 'init'; $priority = isset( $class_data['priority'] ) && is_int( $class_data['priority'] ) ? $class_data['priority'] : 10; $callback = function () use ( $full_name, $id, $run, $hook ) { if ( ! class_exists( $full_name ) ) { return; } // Instantiate class. $instance = new $full_name(); $this->register_instance( $id, $instance ); if ( $run && method_exists( $instance, $run ) ) { $instance->{$run}(); } }; if ( $hook ) { add_action( $hook, $callback, $priority ); } else { $callback(); } } /** * Register any class instance. * * @since 1.8.6 * * @param string $id Class ID. * @param object $instance Any class instance (object). */ public function register_instance( $id, $instance ) { if ( $id && is_object( $instance ) && ! array_key_exists( $id, $this->registry ) ) { $this->registry[ $id ] = $instance; } } /** * Register classes in bulk. * * @since 1.5.7 * * @param array $classes Classes to register. */ public function register_bulk( $classes ) { if ( ! is_array( $classes ) ) { return; } foreach ( $classes as $class ) { $this->register( $class ); } } /** * Get a class instance from a registry. * Use \WPForms\WPForms::obj() instead. * * @since 1.5.7 * @deprecated 1.9.1 * * @param string $name Class name or an alias. * * @return mixed|stdClass|null */ public function get( $name ) { if ( ! empty( $this->registry[ $name ] ) ) { return $this->registry[ $name ]; } // Backward compatibility for old public properties. // Return null to save old condition for these properties. if ( in_array( $name, $this->legacy_properties, true ) ) { return $this->{$name} ?? null; } return new stdClass(); } /** * Get a class instance from a registry. * * @since 1.9.1 * * @param string $name Class name or an alias. * * @return object|null */ public function obj( string $name ) { return $this->registry[ $name ] ?? null; } /** * Get the list of all custom tables starting with `wpforms_*`. * * @since 1.6.3 * * @return array List of table names. */ public function get_existing_custom_tables(): array { // phpcs:ignore WPForms.Formatting.EmptyLineBeforeReturn.RemoveEmptyLineBeforeReturnStatement return DB::get_existing_custom_tables(); } /** * Whether the current instance of the plugin is a paid version, or free. * * @since 1.7.3 * * @return bool */ public function is_pro(): bool { /** * Filters whether the current plugin version is pro. * * @since 1.7.3 * * @param bool $pro Whether the current plugin version is pro. */ return (bool) apply_filters( 'wpforms_allow_pro_version', $this->pro ); } /** * Whether the current request is restricted heartbeat. * * @since 1.9.3 * * @return bool */ public static function is_restricted_heartbeat(): bool { // phpcs:disable WordPress.Security.NonceVerification.Missing, WordPress.Security.ValidatedSanitizedInput.MissingUnslash, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized $action = $_POST['action'] ?? ''; if ( $action !== 'heartbeat' || ! wp_doing_ajax() ) { return false; } $screen_id = sanitize_key( $_POST['screen_id'] ?? '' ); $data = array_map( 'sanitize_text_field', $_POST['data'] ?? [] ); // phpcs:enable WordPress.Security.NonceVerification.Missing, WordPress.Security.ValidatedSanitizedInput.MissingUnslash, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized /** * Filters the screen ids where the heartbeat is allowed. * * @since 1.9.3 * * @param array $allowed_screen_ids Screen IDs where the heartbeat is allowed. */ $allowed_screen_ids = (array) apply_filters( 'wpforms_heartbeat_allowed_screen_ids', self::HEARTBEAT_ALLOWED_SCREEN_IDS ); // Allow heartbeat requests on specific screens. if ( in_array( $screen_id, $allowed_screen_ids, true ) ) { return false; } /** * Filters whether the current request is restricted heartbeat. * * @since 1.9.3 * * @param bool $is_restricted Whether the current request is restricted heartbeat. * @param string $screen_id Screen ID. * @param array $data Heartbeat request data. */ return (bool) apply_filters( 'wpforms_is_restricted_heartbeat', true, $screen_id, $data ); } } } // phpcs:ignore Universal.Namespaces.DisallowCurlyBraceSyntax.Forbidden, Universal.Namespaces.DisallowDeclarationWithoutName.Forbidden, Universal.Namespaces.OneDeclarationPerFile.MultipleFound namespace { // Define `wpforms()` function only if it's not the restricted heartbeat request. if ( ! WPForms\WPForms::is_restricted_heartbeat() ) { /** * The function which returns the one WPForms instance. * * @since 1.0.0 * * @return WPForms\WPForms */ function wpforms(): WPForms\WPForms { // phpcs:ignore Universal.Files.SeparateFunctionsFromOO.Mixed return WPForms\WPForms::instance(); } /** * Adding an alias for backward-compatibility with plugins * that still use class_exists( 'WPForms' ) * instead of function_exists( 'wpforms' ), which is preferred. * * In 1.5.0 we removed support for PHP 5.2 * and moved the former WPForms class to a namespace: WPForms\WPForms. * * @since 1.5.1 */ class_alias( 'WPForms\WPForms', 'WPForms' ); } }
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