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File: wordpress/wp-admin/upgrade.php

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File: wordpress/wp-admin/upgrade.php
Role: Example script
Content type: text/plain
Description: Example script
Class: WordPress Docker Swarm
Deploy WordPress to multiple containers
Author: By
Last change:
Date: 27 days ago
Size: 5,707 bytes
 

Contents

Class file image Download
<?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 wpdb $wpdb WordPress database abstraction object.
 */
global $wp_version, $required_php_version, $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, '>=' );
}

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 &rsaquo; 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 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>';
   
?>
<?php
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&amp;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>