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<?php |
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/** |
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* Core Rollback |
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* |
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* @author Andy Fragen |
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* @license MIT |
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* @link https://github.com/afragen/core-rollback |
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* @package core-rollback |
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*/ |
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|
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namespace Fragen\Rollback; |
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|
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/* |
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* Exit if called directly. |
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*/ |
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if ( ! defined( 'WPINC' ) ) { |
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die; |
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} |
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|
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/** |
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* Class Settings |
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*/ |
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class Settings { |
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/** |
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* Load hooks. |
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* |
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* @return void |
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*/ |
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public function load_hooks() { |
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add_action( 'admin_init', [ $this, 'add_settings' ] ); |
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add_action( is_multisite() ? 'network_admin_menu' : 'admin_menu', [ $this, 'add_plugin_menu' ] ); |
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add_action( 'admin_init', [ $this, 'update_settings' ] ); |
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add_action( 'network_admin_edit_rollback', [ $this, 'update_settings' ] ); |
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} |
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|
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/** |
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* Add/register setttings. |
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* |
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* @return void |
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*/ |
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public function add_settings() { |
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register_setting( 'rollback_settings', 'rollback_settings' ); |
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add_settings_section( |
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'core_rollback', |
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null, |
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[ $this, 'print_core_rollback' ], |
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'rollback' |
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); |
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add_settings_field( |
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'core_versions', |
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__( 'Core Releases', 'core-rollback' ), |
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[ $this, 'version_dropdown' ], |
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'rollback', |
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'core_rollback', |
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[ 'core' => new Core() ] |
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); |
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} |
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|
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/** |
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* Print settings section blurb. |
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* |
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* @return void |
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*/ |
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public function print_core_rollback() { |
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global $wp_version; |
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|
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echo '<div class="notice notice-warning fade">'; |
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echo '<p>' . wp_kses_post( __( '<strong>WARNING:</strong> Downgrading WordPress Core may leave your site in an unusable state.', 'core-rollback' ) ) . '</p>'; |
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echo '</div>'; |
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echo '<div class="notice notice-info fade">'; |
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echo '<p>' . wp_kses_post( __( '<strong>INFO:</strong> Depending upon your current PHP version, some versions of WordPress core will not be available for rollback.', 'core-rollback' ) ) . '</p>'; |
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echo '</div>'; |
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|
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esc_html_e( 'Rollback to latest release or any outdated, secure release version of WordPress Core.', 'core-rollback' ); |
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|
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if ( function_exists( 'wp_is_block_theme' ) && wp_is_block_theme() ) { |
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echo '<div class="notice notice-info fade is-dismissible">'; |
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echo '<p>' . wp_kses_post( __( '<strong>INFO:</strong> Your site is currently using a block theme. Block themes require at least WordPress 5.9.', 'core-rollback' ) ) . '</p>'; |
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echo '</div>'; |
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} |
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|
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echo '<ol>'; |
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echo( '<li>' . esc_html__( 'Select the rollback version from the dropdown menu.', 'core-rollback' ) . '</li>' ); |
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echo( '<li>' . esc_html__( 'Click the `Rollback` button. You will be automatically re-directed to the `update-core.php` page.', 'core-rollback' ) . '</li>' ); |
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echo( '<li>' . esc_html__( 'Use the `Re-install` button to rollback to the selected version.', 'core-rollback' ) . '</li>' ); |
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echo '</ol>'; |
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} |
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|
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/** |
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* Add options page. |
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*/ |
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public function add_plugin_menu() { |
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$parent = is_multisite() ? 'settings.php' : 'tools.php'; |
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$capability = is_multisite() ? 'manage_network_options' : 'manage_options'; |
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|
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add_submenu_page( |
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$parent, |
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esc_html__( 'Rollback Core', 'core-rollback' ), |
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esc_html_x( 'Rollback Core', 'Menu item', 'core-rollback' ), |
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$capability, |
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'rollback', |
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[ $this, 'create_admin_page' ] |
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); |
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} |
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|
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/** |
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* Options page callback. |
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*/ |
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public function create_admin_page() { |
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$action = is_multisite() ? 'edit.php?action=rollback' : 'options.php'; |
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$form_action = 'update-core.php?action=do-core-reinstall'; |
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$submit = __( 'Rollback', 'core-rollback' ); |
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$disabled = ! empty( $this->filter_if_block_themes() ) ? '' : 'disabled'; |
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|
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echo '<div class="wrap">'; |
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echo '<h2>' . esc_html__( 'Rollback Core', 'core-rollback' ) . '</h2>'; |
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echo '<form method="post" action="' . esc_attr( $form_action ) . '" name="upgrade" class="upgrade">'; |
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settings_fields( 'rollback_settings' ); |
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do_settings_sections( 'rollback' ); |
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submit_button( $submit, $disabled ); |
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echo '</form>'; |
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echo '</div>'; |
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} |
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|
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/** |
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* Make version dropdown. |
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* |
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* @param array $args Array of args, [ 'core' => new Core() ]. |
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* |
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* @return void |
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*/ |
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public function version_dropdown( $args ) { |
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$items = array_keys( $args['core']::$core_versions ); |
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|
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// Filter out WP versions with deprecations and current PHP version. |
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$items = array_filter( |
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$items, |
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function ( $item ) { |
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if ( function_exists( 'wp_is_block_theme' ) && wp_is_block_theme() ) { |
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return version_compare( $item, '5.9', '>=' ); |
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} |
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if ( version_compare( phpversion(), '8.0', '<' ) ) { |
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return version_compare( $item, '4.0', '>=' ); |
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} else { |
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return version_compare( $item, '5.3', '>=' ); |
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} |
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} |
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); |
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|
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if ( ! empty( $this->filter_if_block_themes() ) ) { |
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echo "<select id='core_dropdown' name='versions[core_dropdown]'>"; |
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foreach ( $items as $item ) { |
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echo '<option value="' . esc_attr( $item ) . '">' . esc_attr( $item ) . '</option>'; |
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} |
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echo '</select>'; |
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} |
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} |
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|
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/** |
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* Return array of core versions compatible with block themes. |
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* |
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* @return array |
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*/ |
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private function filter_if_block_themes() { |
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$core = new Core(); |
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$items = array_keys( $core::$core_versions ); |
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if ( function_exists( 'wp_is_block_theme' ) && wp_is_block_theme() ) { |
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$items = array_filter( |
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$items, |
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function ( $item ) { |
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return version_compare( $item, '5.9', '>=' ); |
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} |
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); |
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} |
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return $items; |
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} |
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|
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/** |
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* Update single site and network settings. |
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* Used when plugin is network activated to save settings. |
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* |
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* @link http://wordpress.stackexchange.com/questions/64968/settings-api-in-multisite-missing-update-message |
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* @link http://benohead.com/wordpress-network-wide-plugin-settings/ |
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*/ |
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public function update_settings() { |
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// Exit if improper privileges. |
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if ( ! isset( $_POST['_wpnonce'] ) || ! wp_verify_nonce( sanitize_key( wp_unslash( $_POST['_wpnonce'] ) ), 'rollback_settings-options' ) ) { |
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return; |
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} |
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|
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if ( ! isset( $_POST['_wp_http_referer'] ) ) { |
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return false; |
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} |
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|
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if ( isset( $_POST['option_page'] ) && |
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'rollback_settings' === sanitize_title_with_dashes( wp_unslash( $_POST['option_page'] ) ) |
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) { |
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// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized |
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$options = isset( $_POST['versions'] ) ? wp_unslash( $_POST['versions'] ) : []; |
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// phpcs:enable |
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|
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set_site_transient( '_core_rollback', $options, 15 ); |
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wp_safe_redirect( \network_admin_url( 'update-core.php?force-check=1' ) ); |
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exit; |
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} |
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} |
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} |
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|
