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Editing: upgrade.php
<?php /** * Upgrade WordPress Page. * * @package WordPress * @subpackage Administration */ /** * We are upgrading WordPress. * * @since 1.5.1 * @var bool */ define( 'WP_INSTALLING', true ); /** Load WordPress Bootstrap */ require dirname( __DIR__ ) . '/wp-load.php'; nocache_headers(); require_once ABSPATH . 'wp-admin/includes/upgrade.php'; delete_site_transient( 'update_core' ); $step = $_GET['step'] ?? 0; // Do it. No output. if ( 'upgrade_db' === $step ) { wp_upgrade(); die( '0' ); } /** * @global string $wp_version The WordPress version string. * @global string $required_php_version The minimum required PHP version string. * @global string[] $required_php_extensions The names of required PHP extensions. * @global string $required_mysql_version The minimum required MySQL version string. * @global wpdb $wpdb WordPress database abstraction object. */ global $wp_version, $required_php_version, $required_php_extensions, $required_mysql_version, $wpdb; $step = (int) $step; $php_version = PHP_VERSION; $mysql_version = $wpdb->db_version(); $php_compat = version_compare( $php_version, $required_php_version, '>=' ); if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) ) { $mysql_compat = true; } else { $mysql_compat = version_compare( $mysql_version, $required_mysql_version, '>=' ); } $missing_extensions = array(); if ( isset( $required_php_extensions ) && is_array( $required_php_extensions ) ) { foreach ( $required_php_extensions as $extension ) { if ( extension_loaded( $extension ) ) { continue; } $missing_extensions[] = sprintf( /* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: The PHP extension name needed. */ __( 'You cannot upgrade because <a href="%1$s">WordPress %2$s</a> requires the %3$s PHP extension.' ), $version_url, $wp_version, $extension ); } } header( 'Content-Type: ' . get_option( 'html_type' ) . '; charset=' . get_option( 'blog_charset' ) ); ?> <!DOCTYPE html> <html <?php language_attributes(); ?>> <head> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <meta http-equiv="Content-Type" content="<?php bloginfo( 'html_type' ); ?>; charset=<?php echo get_option( 'blog_charset' ); ?>" /> <meta name="robots" content="noindex,nofollow" /> <title><?php _e( 'WordPress › Update' ); ?></title> <?php wp_admin_css( 'install', true ); ?> </head> <body class="wp-core-ui admin-color-modern"> <p id="logo"><?php _e( 'WordPress' ); ?></p> <?php if ( (int) get_option( 'db_version' ) === $wp_db_version || ! is_blog_installed() ) : ?> <h1><?php _e( 'No Update Required' ); ?></h1> <p><?php _e( 'Your WordPress database is already up to date!' ); ?></p> <p class="step"><a class="button button-large" href="<?php echo esc_url( get_option( 'home' ) ); ?>/"><?php _e( 'Continue' ); ?></a></p> <?php elseif ( ! $php_compat || ! $mysql_compat ) : $version_url = sprintf( /* translators: %s: WordPress version. */ esc_url( __( 'https://wordpress.org/documentation/wordpress-version/version-%s/' ) ), sanitize_title( $wp_version ) ); $php_update_message = '</p><p>' . sprintf( /* translators: %s: URL to Update PHP page. */ __( '<a href="%s">Learn more about updating PHP</a>.' ), esc_url( wp_get_update_php_url() ) ); $annotation = wp_get_update_php_annotation(); if ( $annotation ) { $php_update_message .= '</p><p><em>' . $annotation . '</em>'; } if ( ! $mysql_compat && ! $php_compat ) { $message = sprintf( /* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required PHP version number, 4: Minimum required MySQL version number, 5: Current PHP version number, 6: Current MySQL version number. */ __( 'You cannot update because <a href="%1$s">WordPress %2$s</a> requires PHP version %3$s or higher and MySQL version %4$s or higher. You are running PHP version %5$s and MySQL version %6$s.' ), $version_url, $wp_version, $required_php_version, $required_mysql_version, $php_version, $mysql_version ) . $php_update_message; } elseif ( ! $php_compat ) { $message = sprintf( /* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required PHP version number, 4: Current PHP version number. */ __( 'You cannot update because <a href="%1$s">WordPress %2$s</a> requires PHP version %3$s or higher. You are running version %4$s.' ), $version_url, $wp_version, $required_php_version, $php_version ) . $php_update_message; } elseif ( ! $mysql_compat ) { $message = sprintf( /* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required MySQL version number, 4: Current MySQL version number. */ __( 'You cannot update because <a href="%1$s">WordPress %2$s</a> requires MySQL version %3$s or higher. You are running version %4$s.' ), $version_url, $wp_version, $required_mysql_version, $mysql_version ); } echo '<p>' . $message . '</p>'; elseif ( count( $missing_extensions ) > 0 ) : echo '<p>' . implode( '</p><p>', $missing_extensions ) . '</p>'; else : switch ( $step ) : case 0: $goback = wp_get_referer(); if ( $goback ) { $goback = sanitize_url( $goback ); $goback = urlencode( $goback ); } ?> <h1><?php _e( 'Database Update Required' ); ?></h1> <p><?php _e( 'WordPress has been updated! Next and final step is to update your database to the newest version.' ); ?></p> <p><?php _e( 'The database update process may take a little while, so please be patient.' ); ?></p> <p class="step"><a class="button button-large button-primary" href="upgrade.php?step=1&backto=<?php echo $goback; ?>"><?php _e( 'Update WordPress Database' ); ?></a></p> <?php break; case 1: wp_upgrade(); $backto = ! empty( $_GET['backto'] ) ? wp_unslash( urldecode( $_GET['backto'] ) ) : __get_option( 'home' ) . '/'; $backto = esc_url( $backto ); $backto = wp_validate_redirect( $backto, __get_option( 'home' ) . '/' ); ?> <h1><?php _e( 'Update Complete' ); ?></h1> <p><?php _e( 'Your WordPress database has been successfully updated!' ); ?></p> <p class="step"><a class="button button-large" href="<?php echo $backto; ?>"><?php _e( 'Continue' ); ?></a></p> <?php break; endswitch; endif; ?> </body> </html>
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