: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
$this->populate_classes();
wpforms()->register_bulk( $this->classes );
* Populate the classes to register.
protected function populate_classes() {
$this->populate_common();
$this->populate_frontend();
$this->populate_caches();
$this->populate_fields();
$this->populate_forms_overview();
$this->populate_entries();
$this->populate_builder();
$this->populate_migrations();
$this->populate_capabilities();
$this->populate_smart_tags();
$this->populate_logger();
$this->populate_education();
$this->populate_robots();
$this->populate_anti_spam();
* Populate common classes.
private function populate_common() {
'name' => 'Emails\Summaries',
* Populate the Forms related classes.
private function populate_forms() {
'name' => 'Forms\Preview',
'name' => 'Forms\Honeypot',
'name' => 'Forms\Akismet',
'name' => 'Forms\Submission',
'name' => 'Forms\Locator',
'name' => 'Forms\IconChoices',
* Populate Frontend related classes.
private function populate_frontend() {
'name' => 'Frontend\Amp',
'name' => 'Frontend\Captcha',
'name' => 'Frontend\CSSVars',
'name' => 'Frontend\Classic',
'id' => 'frontend_classic',
'name' => 'Frontend\Modern',
'id' => 'frontend_modern',
'name' => 'Frontend\Frontend',
* Populate Admin related classes.
private function populate_admin() {
'name' => 'Admin\Notice',
'name' => 'Admin\Revisions',
'name' => 'Admin\Addons\AddonsCache',
'name' => 'Admin\CoreInfoCache',
'id' => 'core_info_cache',
'name' => 'Admin\Addons\Addons',
'name' => 'Admin\AdminBarMenu',
'name' => 'Admin\Notifications\Notifications',
'name' => 'Admin\Notifications\EventDriven',
'name' => 'Admin\Entries\Handler',
'name' => 'Admin\Pages\Templates',
'id' => 'templates_page',
'name' => 'Admin\Forms\UserTemplates',
'id' => 'user_templates',
'name' => 'Admin\Forms\Page',
'id' => 'forms_overview',
'name' => 'Admin\Challenge',
'name' => 'Admin\FormEmbedWizard',
'id' => 'form_embed_wizard',
'name' => 'Admin\SiteHealth',
'name' => 'Admin\Settings\ModernMarkup',
'name' => 'Admin\Settings\Email',
'name' => 'Admin\Settings\Captcha\Page',
'name' => 'Admin\Settings\Payments',
'name' => 'Admin\Tools\Tools',
'hook' => 'current_screen',
'name' => 'Admin\Payments\Payments',
'name' => 'Admin\Payments\Views\Overview\Ajax',
'condition' => wpforms_is_admin_ajax(),
'name' => 'Admin\Tools\Importers',
'condition' => wp_doing_ajax(),
'name' => 'Admin\Pages\Addons',
'name' => 'Admin\Pages\ConstantContact',
'name' => 'Forms\Fields\Richtext\EntryViewContent',
'name' => 'Admin\DashboardWidget',
'hook' => wpforms()->is_pro() ? 'admin_init' : 'init',
'name' => 'Emails\Preview',
'name' => 'Admin\Addons\GoogleSheets',
'name' => 'Admin\Addons\Calculations',
'name' => 'Admin\PluginList',
'name' => 'Admin\Splash\SplashScreen',
'name' => 'Admin\Splash\SplashCache',
'hook' => 'plugins_loaded',
'name' => 'Admin\Splash\SplashUpgrader',
'id' => 'splash_upgrader',
'hook' => 'plugins_loaded',
* Populate Caches related classes.
private function populate_caches() {
'name' => 'LicenseApi\PluginUpdateCache',
'id' => 'license_api_plugin_update_cache',
'name' => 'LicenseApi\PluginInfoCache',
'id' => 'license_api_plugin_info_cache',
'name' => 'LicenseApi\ValidateKeyCache',
'id' => 'license_api_validate_key_cache',
* Populate Fields related classes.
private function populate_fields() {
'name' => 'Forms\Fields\PaymentCheckbox\Field',
'name' => 'Forms\Fields\PaymentMultiple\Field',
'name' => 'Forms\Fields\PaymentSelect\Field',
'name' => 'Forms\Fields\PaymentSingle\Field',
'name' => 'Forms\Fields\PaymentTotal\Field',
// Load custom captcha field class.
'name' => 'Forms\Fields\CustomCaptcha\Field',
'name' => 'Forms\Fields\Layout\Field',
'name' => 'Forms\Fields\Layout\Process',
'name' => 'Forms\Fields\Repeater\Field',
'name' => 'Forms\Fields\Repeater\Process',
'id' => 'repeater_process',
'name' => 'Forms\Fields\Repeater\Notifications',
* Populate Forms Overview admin page related classes.
private function populate_forms_overview() {
if ( ! wpforms_is_admin_page( 'overview' ) && ! wpforms_is_admin_ajax() ) {
'name' => 'Admin\Forms\Ajax\Columns',
'id' => 'forms_columns_ajax',
'name' => 'Admin\Forms\Ajax\Tags',
'id' => 'forms_tags_ajax',
'name' => 'Admin\Forms\Search',
'name' => 'Admin\Forms\Views',
'name' => 'Admin\Forms\BulkActions',
'id' => 'forms_bulk_actions',
'name' => 'Admin\Forms\Tags',
* Populate Entries related classes.
private function populate_entries() {
'name' => 'Admin\Entries\PageOptions',
'id' => 'entries_page_options',
'name' => 'Admin\Entries\Page',
'id' => 'entries_list_page',
'name' => 'Admin\Entries\Overview\Page',
'id' => 'entries_overview',
'name' => 'Admin\Entries\Overview\Ajax',
'condition' => wpforms_is_admin_ajax(),
'name' => 'Admin\Entries\Ajax\Columns',
'id' => 'entries_columns_ajax',
'name' => 'Admin\Entries\Edit',
'name' => 'Admin\Entries\Export\Export',
'name' => 'Admin\Entries\DefaultScreen',
* Populate Form Builder related classes.
private function populate_builder() {