do_undismiss_core_update() │ WP 2.7.0

Undismiss a core update.

No Hooks.

Returns

null. Nothing (null).

Usage

do_undismiss_core_update();

Changelog

Since 2.7.0 Introduced.

do_undismiss_core_update() code WP 7.0

wp-admin/update-core.php 
function do_undismiss_core_update() {
	$version = $_POST['version'] ?? false;
	$locale  = $_POST['locale'] ?? 'en_US';
	$update  = find_core_update( $version, $locale );
	if ( ! $update ) {
		return;
	}
	undismiss_core_update( $version, $locale );
	wp_redirect( wp_nonce_url( 'update-core.php?action=upgrade-core', 'upgrade-core' ) );
	exit;
}