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* Upgrader API: Language_Pack_Upgrader_Skin class
* Translation Upgrader Skin for WordPress Translation Upgrades.
* @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader-skins.php.
class Language_Pack_Upgrader_Skin extends WP_Upgrader_Skin {
public $language_update = null;
public $done_header = false;
public $done_footer = false;
public $display_footer_actions = true;
* Sets up the language pack upgrader skin.
public function __construct( $args = array() ) {
'title' => __( 'Update Translations' ),
'skip_header_footer' => false,
$args = wp_parse_args( $args, $defaults );
if ( $args['skip_header_footer'] ) {
$this->done_header = true;
$this->done_footer = true;
$this->display_footer_actions = false;
parent::__construct( $args );
* Performs an action before a language pack update.
public function before() {
$name = $this->upgrader->get_name_for_update( $this->language_update );
echo '<div class="update-messages lp-show-latest">';
/* translators: 1: Project name (plugin, theme, or WordPress), 2: Language. */
printf( '<h2>' . __( 'Updating translations for %1$s (%2$s)…' ) . '</h2>', $name, $this->language_update->language );
* Displays an error message about the update.
* @since 5.9.0 Renamed `$error` to `$errors` for PHP 8 named parameter support.
* @param string|WP_Error $errors Errors.
public function error( $errors ) {
echo '<div class="lp-error">';
parent::error( $errors );
* Performs an action following a language pack update.
public function after() {
* Displays the footer following the bulk update process.
public function bulk_footer() {
$this->decrement_update_count( 'translation' );
'updates_page' => sprintf(
'<a href="%s" target="_parent">%s</a>',
self_admin_url( 'update-core.php' ),
__( 'Go to WordPress Updates page' )
* Filters the list of action links available following a translations update.
* @param string[] $update_actions Array of translations update links.
$update_actions = apply_filters( 'update_translations_complete_actions', $update_actions );
if ( $update_actions && $this->display_footer_actions ) {
$this->feedback( implode( ' | ', $update_actions ) );