apply_filters( "update_themes_{$hostname}", array|false $update, array $theme_data, string $theme_stylesheet, string[] $locales )

798		 *     }799		 * }800		 * @param array       $theme_data       Theme headers.801		 * @param string      $theme_stylesheet Theme stylesheet.802		 * @param string[]    $locales          Installed locales to look up translations for.803		 */804		$update = apply_filters( "update_themes_{$hostname}", false, $theme_data, $theme_stylesheet, $locales );805 806		if ( ! $update ) {807			continue;808		}809 810		$update = (object) $update;