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

Fires before the upload interface loads.

Usage

add_action( 'pre-plupload-upload-ui', 'wp_kama_pre_plupload_upload_ui_action' );

/**
 * Function for `pre-plupload-upload-ui` action-hook.
 * 
 * @return void
 */
function wp_kama_pre_plupload_upload_ui_action(){

	// action...
}

Changelog

Since 3.3.0 Introduced.
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 2244 
do_action( 'pre-plupload-upload-ui' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
wp-includes/media-template.php 275 
do_action( 'pre-plupload-upload-ui' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores

Where the hook is used in WordPress

Usage not found.