locale && 'en_US' == get_locale() )
$version_string = $update->current;
// If the only available update is a partial builds, it doesn't need a language-specific version string.
elseif ( 'en_US' == $update->locale && $update->packages->partial && $wp_version == $update->partial_version && ( $updates = get_core_updates() ) && 1 == count( $updates ) )
$version_string = $update->current;
else
$version_string = sprintf( "%s–%s", $update->current, $update->locale );
$current = false;
if ( !isset($update->response) || 'latest' == $update->response )
$current = true;
$submit = __('Update Now');
$form_action = 'update-core.php?action=do-core-upgrade';
$php_version = phpversion();
$mysql_version = $wpdb->db_version();
$show_buttons = true;
if ( 'development' == $update->response ) {
$message = __('You are using a development version of WordPress. You can update to the latest nightly build automatically or download the nightly build and install it manually:');
$download = __('Download nightly build');
} else {
if ( $current ) {
$message = sprintf( __( 'If you need to re-install version %s, you can do so here or download the package and re-install manually:' ), $version_string );
$submit = __('Re-install Now');
$form_action = 'update-core.php?action=do-core-reinstall';
} else {
$php_compat = version_compare( $php_version, $update->php_version, '>=' );
if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) )
$mysql_compat = true;
else
$mysql_compat = version_compare( $mysql_version, $update->mysql_version, '>=' );
if ( !$mysql_compat && !$php_compat )
$message = sprintf( __('You cannot update because WordPress %1$s 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.'), $update->current, $update->php_version, $update->mysql_version, $php_version, $mysql_version );
elseif ( !$php_compat )
$message = sprintf( __('You cannot update because WordPress %1$s requires PHP version %2$s or higher. You are running version %3$s.'), $update->current, $update->php_version, $php_version );
elseif ( !$mysql_compat )
$message = sprintf( __('You cannot update because WordPress %1$s requires MySQL version %2$s or higher. You are running version %3$s.'), $update->current, $update->mysql_version, $mysql_version );
else
$message = sprintf(__('You can update to WordPress %2$s automatically or download the package and install it manually:'), $update->current, $version_string);
if ( !$mysql_compat || !$php_compat )
$show_buttons = false;
}
$download = sprintf(__('Download %s'), $version_string);
}
echo '';
echo $message;
echo '
';
echo '';
}
function dismissed_updates() {
$dismissed = get_core_updates( array( 'dismissed' => true, 'available' => false ) );
if ( $dismissed ) {
$show_text = esc_js(__('Show hidden updates'));
$hide_text = esc_js(__('Hide hidden updates'));
?>
'.__('Show hidden updates').'';
echo '';
foreach( (array) $dismissed as $update) {
echo '- ';
list_core_update( $update );
echo '
';
}
echo '
';
}
}
/**
* Display upgrade WordPress for downloading latest or upgrading automatically form.
*
* @since 2.7.0
*
* @return null
*/
function core_upgrade_preamble() {
global $wp_version, $required_php_version, $required_mysql_version;
$updates = get_core_updates();
if ( !isset($updates[0]->response) || 'latest' == $updates[0]->response ) {
echo '';
_e('You have the latest version of WordPress.');
if ( wp_http_supports( array( 'ssl' ) ) ) {
require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
$upgrader = new WP_Automatic_Updater;
$future_minor_update = (object) array(
'current' => $wp_version . '.1.next.minor',
'version' => $wp_version . '.1.next.minor',
'php_version' => $required_php_version,
'mysql_version' => $required_mysql_version,
);
$should_auto_update = $upgrader->should_update( 'core', $future_minor_update, ABSPATH );
if ( $should_auto_update )
echo ' ' . __( 'Future security updates will be applied automatically.' );
}
echo '
';
} else {
echo '';
echo '';
_e( 'An updated version of WordPress is available.' );
echo '
';
}
if ( isset( $updates[0] ) && $updates[0]->response == 'development' ) {
require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
$upgrader = new WP_Automatic_Updater;
if ( wp_http_supports( 'ssl' ) && $upgrader->should_update( 'core', $updates[0], ABSPATH ) ) {
echo '';
echo '' . __( 'BETA TESTERS:' ) . ' ' . __( 'This site is set up to install updates of future beta versions automatically.' );
echo '
';
foreach( (array) $updates as $update ) {
echo '- ';
list_core_update( $update );
echo '
';
}
echo '
';
// Don't show the maintenance mode notice when we are only showing a single re-install option.
if ( $updates && ( count( $updates ) > 1 || $updates[0]->response != 'latest' ) ) {
echo '' . __( 'While your site is being updated, it will be in maintenance mode. As soon as your updates are complete, your site will return to normal.' ) . '
';
} elseif ( ! $updates ) {
list( $normalized_version ) = explode( '-', $wp_version );
echo '' . sprintf( __( 'Learn more about WordPress %s.' ), esc_url( self_admin_url( 'about.php' ) ), $normalized_version ) . '
';
}
dismissed_updates();
}
function list_plugin_updates() {
global $wp_version;
$cur_wp_version = preg_replace('/-.*$/', '', $wp_version);
require_once(ABSPATH . 'wp-admin/includes/plugin-install.php');
$plugins = get_plugin_updates();
if ( empty( $plugins ) ) {
echo '' . __( 'Plugins' ) . '
';
echo '' . __( 'Your plugins are all up to date.' ) . '
';
return;
}
$form_action = 'update-core.php?action=do-plugin-upgrade';
$core_updates = get_core_updates();
if ( !isset($core_updates[0]->response) || 'latest' == $core_updates[0]->response || 'development' == $core_updates[0]->response || version_compare( $core_updates[0]->current, $cur_wp_version, '=') )
$core_update_version = false;
else
$core_update_version = $core_updates[0]->current;
?>
' . __( 'Themes' ) . '';
echo '' . __( 'Your themes are all up to date.' ) . '
';
return;
}
$form_action = 'update-core.php?action=do-theme-upgrade';
?>
Please Note: Any customizations you have made to theme files will be lost. Please consider using child themes for modifications.' ), __( 'http://codex.wordpress.org/Child_Themes' ) ); ?>
' . __( 'Translations' ) . '';
echo '' . __( 'Your translations are all up to date.' ) . '
';
}
return;
}
$form_action = 'update-core.php?action=do-translation-upgrade';
?>
';
return;
}
if ( ! WP_Filesystem( $credentials, ABSPATH ) ) {
// Failed to connect, Error and request again
request_filesystem_credentials( $url, '', true, ABSPATH );
echo '';
return;
}
if ( $wp_filesystem->errors->get_error_code() ) {
foreach ( $wp_filesystem->errors->get_error_messages() as $message )
show_message($message);
echo '';
return;
}
if ( $reinstall )
$update->response = 'reinstall';
add_filter( 'update_feedback', 'show_message' );
$upgrader = new Core_Upgrader();
$result = $upgrader->upgrade( $update );
if ( is_wp_error($result) ) {
show_message($result);
if ('up_to_date' != $result->get_error_code() )
show_message( __('Installation Failed') );
echo '';
return;
}
show_message( __('WordPress updated successfully') );
show_message( '' . sprintf( __( 'Welcome to WordPress %1$s. You will be redirected to the About WordPress screen. If not, click here.' ), $result, esc_url( self_admin_url( 'about.php?updated' ) ) ) . '' );
show_message( '' . sprintf( __( 'Welcome to WordPress %1$s. Learn more.' ), $result, esc_url( self_admin_url( 'about.php?updated' ) ) ) . '' );
?>
' . __( 'On this screen, you can update to the latest version of WordPress, as well as update your themes and plugins from the WordPress.org repositories.' ) . '';
$updates_overview .= '' . __( 'If an update is available, you᾿ll see a notification appear in the Toolbar and navigation menu.' ) . ' ' . __( 'Keeping your site updated is important for security. It also makes the internet a safer place for you and your readers.' ) . '
';
get_current_screen()->add_help_tab( array(
'id' => 'overview',
'title' => __( 'Overview' ),
'content' => $updates_overview
) );
$updates_howto = '' . __( 'WordPress — Updating your WordPress installation is a simple one-click procedure: just click on the “Update Now” button when you are notified that a new version is available.' ) . ' ' . __( 'In most cases, WordPress will automatically apply maintenance and security updates in the background for you.' ) . '
';
$updates_howto .= '' . __( 'Themes and Plugins — To update individual themes or plugins from this screen, use the checkboxes to make your selection, then click on the appropriate “Update” button. To update all of your themes or plugins at once, you can check the box at the top of the section to select all before clicking the update button.' ) . '
';
if ( 'en_US' != get_locale() ) {
$updates_howto .= '' . __( 'Translations — The files translating WordPress into your language are updated for you whenever any other updates occur. But if these files are out of date, you can click the “Update Translations” button.' ) . '
';
}
get_current_screen()->add_help_tab( array(
'id' => 'how-to-update',
'title' => __( 'How to Update' ),
'content' => $updates_howto
) );
get_current_screen()->set_help_sidebar(
'' . __('For more information:') . '
' .
'' . __( 'Documentation on Updating WordPress' ) . '
' .
'' . __( 'Support Forums' ) . '
'
);
if ( 'upgrade-core' == $action ) {
// Force a update check when requested
$force_check = ! empty( $_GET['force-check'] );
wp_version_check( array(), $force_check );
require_once(ABSPATH . 'wp-admin/admin-header.php');
?>
';
if ( $upgrade_error == 'themes' )
_e('Please select one or more themes to update.');
else
_e('Please select one or more plugins to update.');
echo '
';
}
echo '';
/* translators: %1 date, %2 time. */
printf( __('Last checked on %1$s at %2$s.'), date_i18n( get_option( 'date_format' ) ), date_i18n( get_option( 'time_format' ) ) );
echo ' ' . __( 'Check Again' ) . '';
echo '
';
if ( $core = current_user_can( 'update_core' ) )
core_upgrade_preamble();
if ( $plugins = current_user_can( 'update_plugins' ) )
list_plugin_updates();
if ( $themes = current_user_can( 'update_themes' ) )
list_theme_updates();
if ( $core || $plugins || $themes )
list_translation_updates();
unset( $core, $plugins, $themes );
/**
* Fires after the core, plugin, and theme update tables.
*
* @since 2.9.0
*/
do_action( 'core_upgrade_preamble' );
echo '';
include(ABSPATH . 'wp-admin/admin-footer.php');
} elseif ( 'do-core-upgrade' == $action || 'do-core-reinstall' == $action ) {
if ( ! current_user_can( 'update_core' ) )
wp_die( __( 'You do not have sufficient permissions to update this site.' ) );
check_admin_referer('upgrade-core');
// do the (un)dismiss actions before headers,
// so that they can redirect
if ( isset( $_POST['dismiss'] ) )
do_dismiss_core_update();
elseif ( isset( $_POST['undismiss'] ) )
do_undismiss_core_update();
require_once(ABSPATH . 'wp-admin/admin-header.php');
if ( 'do-core-reinstall' == $action )
$reinstall = true;
else
$reinstall = false;
if ( isset( $_POST['upgrade'] ) )
do_core_upgrade($reinstall);
include(ABSPATH . 'wp-admin/admin-footer.php');
} elseif ( 'do-plugin-upgrade' == $action ) {
if ( ! current_user_can( 'update_plugins' ) )
wp_die( __( 'You do not have sufficient permissions to update this site.' ) );
check_admin_referer('upgrade-core');
if ( isset( $_GET['plugins'] ) ) {
$plugins = explode( ',', $_GET['plugins'] );
} elseif ( isset( $_POST['checked'] ) ) {
$plugins = (array) $_POST['checked'];
} else {
wp_redirect( admin_url('update-core.php') );
exit;
}
$url = 'update.php?action=update-selected&plugins=' . urlencode(implode(',', $plugins));
$url = wp_nonce_url($url, 'bulk-update-plugins');
$title = __('Update Plugins');
require_once(ABSPATH . 'wp-admin/admin-header.php');
echo '';
echo '
' . esc_html__('Update Plugins') . '
';
echo '';
echo '';
include(ABSPATH . 'wp-admin/admin-footer.php');
} elseif ( 'do-theme-upgrade' == $action ) {
if ( ! current_user_can( 'update_themes' ) )
wp_die( __( 'You do not have sufficient permissions to update this site.' ) );
check_admin_referer('upgrade-core');
if ( isset( $_GET['themes'] ) ) {
$themes = explode( ',', $_GET['themes'] );
} elseif ( isset( $_POST['checked'] ) ) {
$themes = (array) $_POST['checked'];
} else {
wp_redirect( admin_url('update-core.php') );
exit;
}
$url = 'update.php?action=update-selected-themes&themes=' . urlencode(implode(',', $themes));
$url = wp_nonce_url($url, 'bulk-update-themes');
$title = __('Update Themes');
require_once(ABSPATH . 'wp-admin/admin-header.php');
echo '';
echo '
' . esc_html__('Update Themes') . '
';
echo "";
echo '';
include(ABSPATH . 'wp-admin/admin-footer.php');
} elseif ( 'do-translation-upgrade' == $action ) {
if ( ! current_user_can( 'update_core' ) && ! current_user_can( 'update_plugins' ) && ! current_user_can( 'update_themes' ) )
wp_die( __( 'You do not have sufficient permissions to update this site.' ) );
check_admin_referer( 'upgrade-translations' );
require_once( ABSPATH . 'wp-admin/admin-header.php' );
include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
$url = 'update-core.php?action=do-translation-upgrade';
$nonce = 'upgrade-translations';
$title = __( 'Update Translations' );
$context = WP_LANG_DIR;
$upgrader = new Language_Pack_Upgrader( new Language_Pack_Upgrader_Skin( compact( 'url', 'nonce', 'title', 'context' ) ) );
$result = $upgrader->bulk_upgrade();
require_once( ABSPATH . 'wp-admin/admin-footer.php' );
} else {
/**
* Fires for each custom update action on the WordPress Updates screen.
*
* The dynamic portion of the hook name, $action, refers to the
* passed update action. The hook fires in lieu of all available
* default update actions.
*
* @since 3.2.0
*/
do_action( "update-core-custom_{$action}" );
}