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<?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_php_extensions The names of required PHP extensions.
* @global string $required_mysql_version The 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">
<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>';
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>