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<? php
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/**
* Upgrade WordPress Page.
*
* @package WordPress
* @subpackage Administration
*/
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/**
* We are upgrading WordPress.
*
* @since 1.5.1
* @var bool
*/
define ( 'WP_INSTALLING' , true );
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/** Load WordPress Bootstrap */
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require ( dirname ( dirname ( __FILE__ ) ) . '/wp-load.php' );
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nocache_headers ();
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timer_start ();
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require_once ( ABSPATH . 'wp-admin/includes/upgrade.php' );
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delete_site_transient ( 'update_core' );
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if ( isset ( $_GET [ 'step' ] ) ) {
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$step = $_GET [ 'step' ];
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} else {
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$step = 0 ;
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}
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// Do it. No output.
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if ( 'upgrade_db' === $step ) {
wp_upgrade ();
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die ( '0' );
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}
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/**
* @global string $wp_version
* @global string $required_php_version
* @global string $required_mysql_version
* @global wpdb $wpdb
*/
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global $wp_version , $required_php_version , $required_mysql_version ;
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$step = ( int ) $step ;
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$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 ( $wpdb -> is_mysql ) ) {
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$mysql_compat = true ;
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} else {
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$mysql_compat = version_compare ( $mysql_version , $required_mysql_version , '>=' );
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}
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@ header ( 'Content-Type: ' . get_option ( 'html_type' ) . '; charset=' . get_option ( 'blog_charset' ) );
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?>
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<!DOCTYPE html>
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<html xmlns="http://www.w3.org/1999/xhtml" <?php language_attributes(); ?>>
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<head>
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<meta name="viewport" content="width=device-width" />
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<meta http-equiv="Content-Type" content="<?php bloginfo( 'html_type' ); ?>; charset=<?php echo get_option( 'blog_charset' ); ?>" />
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<meta name="robots" content="noindex,nofollow" />
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<title><?php _e( 'WordPress › Update' ); ?></title>
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<?php
wp_admin_css( 'install', true );
wp_admin_css( 'ie', true );
?>
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</head>
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<body class="wp-core-ui">
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<p id="logo"><a href="<?php echo esc_url( __( 'https://wordpress.org/' ) ); ?>" tabindex="-1"><?php _e( 'WordPress' ); ?></a></p>
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<?php if ( get_option( 'db_version' ) == $wp_db_version || ! is_blog_installed() ) : ?>
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<h1><?php _e( 'No Update Required' ); ?></h1>
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<p><?php _e( 'Your WordPress database is already up-to-date!' ); ?></p>
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<p class="step"><a class="button button-large" href="<?php echo get_option( 'home' ); ?>/"><?php _e( 'Continue' ); ?></a></p>
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<?php
elseif ( ! $php_compat || ! $mysql_compat ) :
if ( ! $mysql_compat && ! $php_compat ) {
printf( __( 'You cannot update because <a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires PHP version %2$s or higher and MySQL version %3$s or higher. You are running PHP version %4$s and MySQL version %5$s.' ), $wp_version, $required_php_version, $required_mysql_version, $php_version, $mysql_version );
} elseif ( ! $php_compat ) {
printf( __( 'You cannot update because <a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires PHP version %2$s or higher. You are running version %3$s.' ), $wp_version, $required_php_version, $php_version );
} elseif ( ! $mysql_compat ) {
printf( __( 'You cannot update because <a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires MySQL version %2$s or higher. You are running version %3$s.' ), $wp_version, $required_mysql_version, $mysql_version );
}
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?>
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<?php
else :
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>
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<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>
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<p><?php _e( 'The database update process may take a little while, so please be patient.' ); ?></p>
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<p class="step"><a class="button button-large button-primary" href="upgrade.php?step=1&backto=<?php echo $goback; ?>"><?php _e( 'Update WordPress Database' ); ?></a></p>
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<?php
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break;
case 1:
wp_upgrade();
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$backto = ! empty( $_GET['backto'] ) ? wp_unslash( urldecode( $_GET['backto'] ) ) : __get_option( 'home' ) . '/';
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$backto = esc_url( $backto );
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$backto = wp_validate_redirect( $backto, __get_option( 'home' ) . '/' );
?>
<h1><?php _e( 'Update Complete' ); ?></h1>
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<p><?php _e( 'Your WordPress database has been successfully updated!' ); ?></p>
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<p class="step"><a class="button button-large" href="<?php echo $backto; ?>"><?php _e( 'Continue' ); ?></a></p>
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<!--
<pre>
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<?php printf( __( '%s queries' ), $wpdb->num_queries ); ?>
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<?php printf( __( '%s seconds' ), timer_stop( 0 ) ); ?>
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</pre>
-->
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<?php
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break;
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endswitch;
endif;
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?>
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</body>
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</html>
