wp-admin/upgrade.php

<?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( '../wp-load.php' );

nocache_headers();

timer_start();
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' );
}

$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 xmlns="http://www.w3.org/1999/xhtml" <?php language_attributes(); ?>>
<head>
	<meta http-equiv="Content-Type" content="<?php bloginfo( 'html_type' ); ?>; charset=<?php echo get_option( 'blog_charset' ); ?>" />
	<title><?php _e( 'WordPress &rsaquo; Update' ); ?></title>
	<?php
	wp_admin_css( 'install', true );
	wp_admin_css( 'ie', true );
	?>
</head>
<body class="wp-core-ui">
<h1 id="logo"><a href="<?php echo esc_url( __( 'http://wordpress.org/' ) ); ?>"><?php _e( 'WordPress' ); ?></a></h1>

<?php if ( get_option( 'db_version' ) == $wp_db_version || !is_blog_installed() ) : ?>

<h2><?php _e( 'No Update Required' ); ?></h2>
<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>

<?php elseif ( !$php_compat || !$mysql_compat ) :
	if ( !$mysql_compat && !$php_compat )
		printf( __('You cannot update because <a href="http://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="http://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="http://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 );
?>
<?php else :
switch ( $step ) :
	case 0:
		$goback = wp_get_referer();
		$goback = esc_url_raw( $goback );
		$goback = urlencode( $goback );
?>
<h2><?php _e( 'Database Update Required' ); ?></h2>
<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 update process may take a little while, so please be patient.' ); ?></p>
<p class="step"><a class="button button-large" 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' ) . '/');
?>
<h2><?php _e( 'Update Complete' ); ?></h2>
	<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>
<?php printf( __( '%s queries' ), $wpdb->num_queries ); ?>

<?php printf( __( '%s seconds' ), timer_stop( 0 ) ); ?>
</pre>
-->

<?php
		break;
endswitch;
endif;
?>
</body>
</html>
Enclosure support moved to functions.php - it now scans the content 2004-10-18 12:09:20 +00:00			`<?php`
phpdoc for wp-admin. See #7496 props santosj. 2008-08-14 06:30:38 +00:00			`/**`
			`* Upgrade WordPress Page.`
			`*`
			`* @package WordPress`
			`* @subpackage Administration`
			`*/`

Revert [19745]. 2012-01-24 22:14:42 +00:00			`/**`
			`* We are upgrading WordPress.`
			`*`
			`* @since 1.5.1`
			`* @var bool`
			`*/`
			`define( 'WP_INSTALLING', true );`

phpdoc for wp-admin. See #7496 props santosj. 2008-08-14 06:30:38 +00:00			`/** Load WordPress Bootstrap */`
elbow room for upgrade.php 2009-04-17 08:00:48 +00:00			`require( '../wp-load.php' );`
phpdoc for wp-admin. See #7496 props santosj. 2008-08-14 06:30:38 +00:00
Send nocache_headers() in the admin earlier, on the DB upgrade page. Prevents a potential redirect loop reproduced in Chrome from heavy caching of headers. props mdawaffe. see #21745 . 2012-09-19 01:51:40 +00:00			`nocache_headers();`

Upgrades should run faster now. 2004-05-05 08:00:13 +00:00			`timer_start();`
elbow room for upgrade.php 2009-04-17 08:00:48 +00:00			`require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );`
New upgrade scripts and such. 2003-12-30 05:36:47 +00:00
Convert update_themes, update_plugins, update_core, and dismissed_update_core into site transients/plugins. Remove no longer need compat code. 2010-01-08 20:49:55 +00:00			`delete_site_transient('update_core');`
Clear upgrade nag when doing manual upgrade. Props Denis-de-Bernardy. fixes #9139 2009-05-05 04:02:49 +00:00
elbow room for upgrade.php 2009-04-17 08:00:48 +00:00			`if ( isset( $_GET['step'] ) )`
Upgrade db with remote post during core update. see #5560 2008-08-28 07:09:46 +00:00			`$step = $_GET['step'];`
Add support for RTL in install.php, upgrade.php and inline-uploading.php. Props Sewar. #3136 2006-09-28 17:35:59 +00:00			`else`
			`$step = 0;`
Upgrade db with remote post during core update. see #5560 2008-08-28 07:09:46 +00:00
Use one space, not two, after trailing punctuation. fixes #19537 2011-12-13 23:45:31 +00:00			`// Do it. No output.`
Upgrade db with remote post during core update. see #5560 2008-08-28 07:09:46 +00:00			`if ( 'upgrade_db' === $step ) {`
			`wp_upgrade();`
elbow room for upgrade.php 2009-04-17 08:00:48 +00:00			`die( '0' );`
Upgrade db with remote post during core update. see #5560 2008-08-28 07:09:46 +00:00			`}`

			`$step = (int) $step;`

Check PHP and MySQL versions in upgrade.php. see #11666 2009-12-29 21:56:48 +00:00			`$php_version = phpversion();`
			`$mysql_version = $wpdb->db_version();`
			`$php_compat = version_compare( $php_version, $required_php_version, '>=' );`
Introduce ->mysql to allow drop-ins to declare themselves as MySQL and therefore allow minimum version checks to still apply. fixes #18176 . 2011-10-25 05:29:28 +00:00			`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, '>=' );`
Check PHP and MySQL versions in upgrade.php. see #11666 2009-12-29 21:56:48 +00:00
elbow room for upgrade.php 2009-04-17 08:00:48 +00:00			`@header( 'Content-Type: ' . get_option( 'html_type' ) . '; charset=' . get_option( 'blog_charset' ) );`
New upgrade scripts and such. 2003-12-30 05:36:47 +00:00			`?>`
<!DOCTYPE html> for all, fixes #18202 2011-07-22 00:25:41 +00:00			`<!DOCTYPE html>`
Add support for RTL in install.php, upgrade.php and inline-uploading.php. Props Sewar. #3136 2006-09-28 17:35:59 +00:00			`<html xmlns="http://www.w3.org/1999/xhtml" <?php language_attributes(); ?>>`
Added missing head tags to install.php and upgrade.php 2004-06-11 16:09:18 +00:00			`<head>`
elbow room for upgrade.php 2009-04-17 08:00:48 +00:00			`<meta http-equiv="Content-Type" content="<?php bloginfo( 'html_type' ); ?>; charset=<?php echo get_option( 'blog_charset' ); ?>" />`
Standardize around "Update" instead of "Upgrade." props RanYanivHartstein. props latz. fixes #14107 2010-12-02 21:45:47 +00:00			`<title><?php _e( 'WordPress &rsaquo; Update' ); ?></title>`
Numerous RTL improvements. props ocean90, TECannon. fixes #13663 , fixes #13677 . 2010-06-05 21:04:48 +00:00			`<?php`
			`wp_admin_css( 'install', true );`
			`wp_admin_css( 'ie', true );`
			`?>`
Install and upgrade refactoring complete. 2004-09-05 01:22:17 +00:00			`</head>`
Scope button classes so they can be used on the frontend without interfering with theme styles. 2012-11-30 13:40:59 +00:00			`<body class="wp-core-ui">`
Use correct escaping function. fixes #23334 . 2013-02-14 05:52:23 +00:00			`<h1 id="logo"><a href="<?php echo esc_url( __( 'http://wordpress.org/' ) ); ?>"><?php _e( 'WordPress' ); ?></a></h1>`
Fewer clicks and better user experience for upgrades. fixes #2447 2007-02-15 08:16:43 +00:00
elbow room for upgrade.php 2009-04-17 08:00:48 +00:00			`<?php if ( get_option( 'db_version' ) == $wp_db_version \|\| !is_blog_installed() ) : ?>`
Fewer clicks and better user experience for upgrades. fixes #2447 2007-02-15 08:16:43 +00:00
Standardize around "Update" instead of "Upgrade." props RanYanivHartstein. props latz. fixes #14107 2010-12-02 21:45:47 +00:00			`<h2><?php _e( 'No Update Required' ); ?></h2>`
elbow room for upgrade.php 2009-04-17 08:00:48 +00:00			`<p><?php _e( 'Your WordPress database is already up-to-date!' ); ?></p>`
Larger buttons for the DB upgrade screens. see #21598 . 2012-11-07 18:38:17 +00:00			`<p class="step"><a class="button button-large" href="<?php echo get_option( 'home' ); ?>/"><?php _e( 'Continue' ); ?></a></p>`
Fewer clicks and better user experience for upgrades. fixes #2447 2007-02-15 08:16:43 +00:00
Check PHP and MySQL versions in upgrade.php. see #11666 2009-12-29 21:56:48 +00:00			`<?php elseif ( !$php_compat \|\| !$mysql_compat ) :`
			`if ( !$mysql_compat && !$php_compat )`
Standardize around "Update" instead of "Upgrade." props RanYanivHartstein. props latz. fixes #14107 2010-12-02 21:45:47 +00:00			`printf( __('You cannot update because <a href="http://codex.wordpress.org/Version_%1$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, $mysql_version );`
Check PHP and MySQL versions in upgrade.php. see #11666 2009-12-29 21:56:48 +00:00			`elseif ( !$php_compat )`
Fix typo. props SergeyBiryukov, fixes #14107 . 2010-12-08 21:35:08 +00:00			`printf( __('You cannot update because <a href="http://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, $php_version );`
Check PHP and MySQL versions in upgrade.php. see #11666 2009-12-29 21:56:48 +00:00			`elseif ( !$mysql_compat )`
Standardize around "Update" instead of "Upgrade." props RanYanivHartstein. props latz. fixes #14107 2010-12-02 21:45:47 +00:00			`printf( __('You cannot update because <a href="http://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 );`
Check PHP and MySQL versions in upgrade.php. see #11666 2009-12-29 21:56:48 +00:00			`?>`
Fewer clicks and better user experience for upgrades. fixes #2447 2007-02-15 08:16:43 +00:00			`<?php else :`
elbow room for upgrade.php 2009-04-17 08:00:48 +00:00			`switch ( $step ) :`
New upgrade scripts and such. 2003-12-30 05:36:47 +00:00			`case 0:`
Always wp_unslash() the return of wp_get_referer(). 2013-03-01 17:20:32 +00:00			`$goback = wp_get_referer();`
esc_url_raw() when doing urlencode() 2011-04-01 19:35:38 +00:00			`$goback = esc_url_raw( $goback );`
elbow room for upgrade.php 2009-04-17 08:00:48 +00:00			`$goback = urlencode( $goback );`
Fewer clicks and better user experience for upgrades. fixes #2447 2007-02-15 08:16:43 +00:00			`?>`
Standardize around "Update" instead of "Upgrade." props RanYanivHartstein. props latz. fixes #14107 2010-12-02 21:45:47 +00:00			`<h2><?php _e( 'Database Update Required' ); ?></h2>`
			`<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 update process may take a little while, so please be patient.' ); ?></p>`
Larger buttons for the DB upgrade screens. see #21598 . 2012-11-07 18:38:17 +00:00			`<p class="step"><a class="button button-large" href="upgrade.php?step=1&backto=<?php echo $goback; ?>"><?php _e( 'Update WordPress Database' ); ?></a></p>`
New upgrade scripts and such. 2003-12-30 05:36:47 +00:00			`<?php`
Add support for RTL in install.php, upgrade.php and inline-uploading.php. Props Sewar. #3136 2006-09-28 17:35:59 +00:00			`break;`
New upgrade scripts and such. 2003-12-30 05:36:47 +00:00			`case 1:`
Add support for RTL in install.php, upgrade.php and inline-uploading.php. Props Sewar. #3136 2006-09-28 17:35:59 +00:00			`wp_upgrade();`
Remove trailing whitespace 2009-09-14 14:03:32 +00:00
Use wp_unslash() instead of stripslashes() and stripslashes_deep(). Use wp_slash() instead of add_magic_quotes(). 2013-03-01 17:14:09 +00:00			`$backto = !empty($_GET['backto']) ? wp_unslash( urldecode( $_GET['backto'] ) ) : __get_option( 'home' ) . '/';`
s/esc_url_raw/esc_url/. Props duck_. 2011-04-01 19:29:06 +00:00			`$backto = esc_url( $backto );`
Create wp_validate_redirect(), have the upgrade done link use it. props Westi. fixes #10193 for trunk 2009-06-19 19:30:17 +00:00			`$backto = wp_validate_redirect($backto, __get_option( 'home' ) . '/');`
Remove trailing whitespace 2007-09-03 23:32:58 +00:00			`?>`
Standardize around "Update" instead of "Upgrade." props RanYanivHartstein. props latz. fixes #14107 2010-12-02 21:45:47 +00:00			`<h2><?php _e( 'Update Complete' ); ?></h2>`
			`<p><?php _e( 'Your WordPress database has been successfully updated!' ); ?></p>`
Larger buttons for the DB upgrade screens. see #21598 . 2012-11-07 18:38:17 +00:00			`<p class="step"><a class="button button-large" href="<?php echo $backto; ?>"><?php _e( 'Continue' ); ?></a></p>`
Upgrades should run faster now. 2004-05-05 08:00:13 +00:00
			`<!--`
			`<pre>`
elbow room for upgrade.php 2009-04-17 08:00:48 +00:00			`<?php printf( __( '%s queries' ), $wpdb->num_queries ); ?>`
Upgrades should run faster now. 2004-05-05 08:00:13 +00:00
elbow room for upgrade.php 2009-04-17 08:00:48 +00:00			`<?php printf( __( '%s seconds' ), timer_stop( 0 ) ); ?>`
Upgrades should run faster now. 2004-05-05 08:00:13 +00:00			`</pre>`
			`-->`

New upgrade scripts and such. 2003-12-30 05:36:47 +00:00			`<?php`
Add support for RTL in install.php, upgrade.php and inline-uploading.php. Props Sewar. #3136 2006-09-28 17:35:59 +00:00			`break;`
Fewer clicks and better user experience for upgrades. fixes #2447 2007-02-15 08:16:43 +00:00			`endswitch;`
			`endif;`
Remove trailing spaces and convert spaces to tabs. Props Nazgul. fixes #986 2006-11-19 07:56:05 +00:00			`?>`
New upgrade scripts and such. 2003-12-30 05:36:47 +00:00			`</body>`
Only upgrade if we are installed. Fixes #7627 props pishmishy. 2008-08-28 20:55:40 +00:00			`</html>`