WordPress at a glance
action is not described

pre-plupload-upload-ui action-hook . WP 3.3.0

Fires before the upload interface loads.

Usage

add_action( 'pre-plupload-upload-ui', 'action_function_name_6717' );
function action_function_name_6717(){
	// action...
}

Notes

  • Since 2.6.0 As 'pre-flash-upload-ui'

Where the hook is called

media_upload_form()
pre-plupload-upload-ui
wp_print_media_templates()
pre-plupload-upload-ui
wp-admin/includes/media.php 1929
do_action( 'pre-plupload-upload-ui' ); ?>
wp-includes/media-template.php 215
do_action( 'pre-plupload-upload-ui' );

Where the hook is used (in WP core)

Does not used.