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wordcamp-bristol-2019/wp-admin/upgrade.php

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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( dirname( __FILE__ ) ) . '/wp-load.php' );
nocache_headers();
timer_start();
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.
if ( 'upgrade_db' === $step ) {
wp_upgrade();
die( '0' );
}
/**
* @global string $wp_version
* @global string $required_php_version
* @global string $required_mysql_version
*/
global $wp_version, $required_php_version, $required_mysql_version;
$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' ) );
?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" <?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 &rsaquo; Update' ); ?></title>
<?php
wp_admin_css( 'install', true );
wp_admin_css( 'ie', true );
?>
</head>
<body class="wp-core-ui">
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<p id="logo"><a href="<?php echo esc_url( __( 'https://wordpress.org/' ) ); ?>"><?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>
<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>
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<?php
elseif ( ! $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 )
);
if ( ! $mysql_compat && ! $php_compat ) {
/* 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 */
$message = sprintf( __( 'You cannot update because <a href="%1$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 );
} elseif ( ! $php_compat ) {
/* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required PHP version number, 4: Current PHP version number */
$message = sprintf( __( 'You cannot update because <a href="%1$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 );
} elseif ( ! $mysql_compat ) {
/* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required MySQL version number, 4: Current MySQL version number */
$message = sprintf( __( 'You cannot update because <a href="%1$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 );
}
?>
<?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>
<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 $goback; ?>"><?php _e( 'Update WordPress Database' ); ?></a></p>
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<?php
break;
case 1:
wp_upgrade();
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$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>
<p class="step"><a class="button button-large" href="<?php echo $backto; ?>"><?php _e( 'Continue' ); ?></a></p>
<!--
<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
break;
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endswitch;
endif;
?>
</body>
</html>
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