update_footer filter-hookWP 2.3.0

Filters the version/update text displayed in the admin footer.

WordPress prints the current version and update information, using core_update_footer() at priority 10.


add_filter( 'update_footer', 'wp_kama_update_footer_filter' );

 * Function for `update_footer` filter-hook.
 * @param string $content The content that will be printed.
 * @return string
function wp_kama_update_footer_filter( $content ){

	// filter...
	return $content;
The content that will be printed.


Since 2.3.0 Introduced.

Where the hook is called

In file: /wp-admin/admin-footer.php
wp-admin/admin-footer.php 65
echo apply_filters( 'update_footer', '' );

Where the hook is used in WordPress

wp-admin/includes/admin-filters.php 141
add_filter( 'update_footer', 'core_update_footer' );