WordPress at a glance
action is not described

pre-upload-ui action-hook . WP 2.6.0

Fires just before the legacy (pre-3.5.0) upload interface is loaded.

Usage

add_action( 'pre-upload-ui', 'action_function_name_8034' );
function action_function_name_8034(){
	// action...
}

Список изменений

С версии 2.6.0 Введена.

Где вызывается хук

media_upload_form()
pre-upload-ui
wp_print_media_templates()
pre-upload-ui
wp-admin/includes/media.php 2117
do_action( 'pre-upload-ui' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
wp-includes/media-template.php 263
do_action( 'pre-upload-ui' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores

Где используется хук в ядре WP

Использование не найдено.