WordPress at a glance
action is not described

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

Fires after the upload interface loads.

Usage

add_action( 'post-plupload-upload-ui', 'action_function_name_5484' );
function action_function_name_5484(){
	// action...
}

Notes

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

Where the hook is called

media_upload_form()
post-plupload-upload-ui
wp_print_media_templates()
post-plupload-upload-ui
wp-admin/includes/media.php 1944
do_action( 'post-plupload-upload-ui' ); ?>
wp-includes/media-template.php 219
do_action( 'post-plupload-upload-ui' );
wp-includes/media-template.php 223
do_action( 'post-plupload-upload-ui' );

Where the hook is used (in WP core)

wp-includes/media-template.php 217
if ( 10 === remove_action( 'post-plupload-upload-ui', 'media_upload_flash_bypass' ) ) {
wp-includes/media-template.php 220
add_action( 'post-plupload-upload-ui', 'media_upload_flash_bypass' );
wp-admin/includes/admin-filters.php 24
add_action( 'post-plupload-upload-ui', 'media_upload_flash_bypass' );