WordPress Version: 5.4
/**
* This was once used to kick-off the Theme Updater.
*
* Deprecated in favor of instantiating a Theme_Upgrader instance directly,
* and calling the 'upgrade' method.
* Unused since 2.8.0.
*
* @since 2.7.0
* @deprecated 3.7.0 Use Theme_Upgrader
* @see Theme_Upgrader
*/
function wp_update_theme($theme, $feedback = '')
{
_deprecated_function(__FUNCTION__, '3.7.0', 'new Theme_Upgrader();');
if (!empty($feedback)) {
add_filter('update_feedback', $feedback);
}
require ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
$upgrader = new Theme_Upgrader();
return $upgrader->upgrade($theme);
}