<?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' );if ( isset( $_GET['step'] ) ) {$step = $_GET['step'];} else {$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 required PHP version string.* @global string $required_mysql_version The required MySQL version string.*/global $wp_version, $required_php_version, $required_mysql_version;$step = (int) $step;$php_version = phpversion();$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, '>=' );}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" /><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"><p id="logo"><a href="<?php echo esc_url( __( 'https://wordpress.org/' ) ); ?>"><?php _e( 'WordPress' ); ?></a></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 get_option( 'home' ); ?>/"><?php _e( 'Continue' ); ?></a></p><?phpelseif ( ! $php_compat || ! $mysql_compat ) :$version_url = sprintf(/* translators: %s: WordPress version. */esc_url( __( 'https://wordpress.org/support/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>';?><?phpelse :switch ( $step ) :case 0:$goback = wp_get_referer();if ( $goback ) {$goback = esc_url_raw( $goback );$goback = urlencode( $goback );}?><h1><?php _e( 'Database Update Required' ); ?></h1><p><?php _e( 'WordPress has been updated! Before we send you on your way, we have 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 $goback; ?>"><?php _e( 'Update WordPress Database' ); ?></a></p><?phpbreak;case 1:wp_upgrade();$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><?phpbreak;endswitch;endif;?></body></html>
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