Theme_Upgrader

21class Theme_Upgrader extends WP_Upgrader {22 23	/**24	 * Result of the theme upgrade offer.25	 *26	 * @since 2.8.027	 * @var array|WP_Error $result28	 * @see WP_Upgrader::$result29	 */30	public $result;31 32	/**33	 * Whether multiple themes are being upgraded/installed in bulk.34	 *35	 * @since 2.9.036	 * @var bool $bulk37	 */38	public $bulk = false;39 40	/**41	 * New theme info.42	 *43	 * @since 5.5.044	 * @var array $new_theme_data45	 *46	 * @see check_package()47	 */48	public $new_theme_data = array();49 50	/**51	 * Initializes the upgrade strings.52	 *53	 * @since 2.8.054	 */55	public function upgrade_strings() {56		$this->strings['up_to_date'] = __( 'The theme is at the latest version.' );57		$this->strings['no_package'] = __( 'Update package not available.' );58		/* translators: %s: Package URL. */59		$this->strings['downloading_package'] = sprintf( __( 'Downloading update from %s&#8230;' ), '<span class="code pre">%s</span>' );60		$this->strings['unpack_package']      = __( 'Unpacking the update&#8230;' );61		$this->strings['remove_old']          = __( 'Removing the old version of the theme&#8230;' );62		$this->strings['remove_old_failed']   = __( 'Could not remove the old theme.' );63		$this->strings['process_failed']      = __( 'Theme update failed.' );64		$this->strings['process_success']     = __( 'Theme updated successfully.' );65	}66 67	/**68	 * Initializes the installation strings.69	 *70	 * @since 2.8.071	 */72	public function install_strings() {73		$this->strings['no_package'] = __( 'Installation package not available.' );74		/* translators: %s: Package URL. */75		$this->strings['downloading_package'] = sprintf( __( 'Downloading installation package from %s&#8230;' ), '<span class="code pre">%s</span>' );76		$this->strings['unpack_package']      = __( 'Unpacking the package&#8230;' );77		$this->strings['installing_package']  = __( 'Installing the theme&#8230;' );78		$this->strings['remove_old']          = __( 'Removing the old version of the theme&#8230;' );79		$this->strings['remove_old_failed']   = __( 'Could not remove the old theme.' );80		$this->strings['no_files']            = __( 'The theme contains no files.' );81		$this->strings['process_failed']      = __( 'Theme installation failed.' );82		$this->strings['process_success']     = __( 'Theme installed successfully.' );83		/* translators: 1: Theme name, 2: Theme version. */84		$this->strings['process_success_specific'] = __( 'Successfully installed the theme <strong>%1$s %2$s</strong>.' );85		$this->strings['parent_theme_search']      = __( 'This theme requires a parent theme. Checking if it is installed&#8230;' );86		/* translators: 1: Theme name, 2: Theme version. */87		$this->strings['parent_theme_prepare_install'] = __( 'Preparing to install <strong>%1$s %2$s</strong>&#8230;' );88		/* translators: 1: Theme name, 2: Theme version. */89		$this->strings['parent_theme_currently_installed'] = __( 'The parent theme, <strong>%1$s %2$s</strong>, is currently installed.' );90		/* translators: 1: Theme name, 2: Theme version. */91		$this->strings['parent_theme_install_success'] = __( 'Successfully installed the parent theme, <strong>%1$s %2$s</strong>.' );92		/* translators: %s: Theme name. */93		$this->strings['parent_theme_not_found'] = sprintf( __( '<strong>The parent theme could not be found.</strong> You will need to install the parent theme, %s, before you can use this child theme.' ), '<strong>%s</strong>' );94		/* translators: %s: Theme error. */95		$this->strings['current_theme_has_errors'] = __( 'The active theme has the following error: "%s".' );96 97		if ( ! empty( $this->skin->overwrite ) ) {98			if ( 'update-theme' === $this->skin->overwrite ) {99				$this->strings['installing_package'] = __( 'Updating the theme&#8230;' );100				$this->strings['process_failed']     = __( 'Theme update failed.' );