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<?php
/**
* Update Core administration panel.
*
* @package WordPress
* @subpackage Administration
*/
/** WordPress Administration Bootstrap */
require_once( dirname( __FILE__ ) . '/admin.php' );
wp_enqueue_style( 'plugin-install' );
wp_enqueue_script( 'plugin-install' );
wp_enqueue_script( 'updates' );
add_thickbox();
if ( is_multisite() && ! is_network_admin() ) {
wp_redirect( network_admin_url( 'update-core.php' ) );
exit();
}
if ( ! current_user_can( 'update_core' ) && ! current_user_can( 'update_themes' ) && ! current_user_can( 'update_plugins' ) && ! current_user_can( 'update_languages' ) )
wp_die( __( 'Sorry, you are not allowed to update this site.' ) );
/**
*
* @global string $wp_local_package
* @global wpdb $wpdb
*
* @staticvar bool $first_pass
*
* @param object $update
*/
function list_core_update( $update ) {
global $wp_local_package, $wpdb;
static $first_pass = true;
$wp_version = get_bloginfo( 'version' );
if ( 'en_US' == $update->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–<strong>%s</strong>", $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:');
} else {
if ( $current ) {
$message = sprintf( __( 'If you need to re-install version %s, you can do so here:' ), $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 )
/* translators: 1: WordPress version number, 2: Minimum required PHP version number, 3: Minimum required MySQL version number, 4: Current PHP version number, 5: Current MySQL version number */
$message = sprintf( __('You cannot update because <a href="https://codex.wordpress.org/Version_%1$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.'), $update->current, $update->php_version, $update->mysql_version, $php_version, $mysql_version );
elseif ( !$php_compat )
/* translators: 1: WordPress version number, 2: Minimum required PHP version number, 3: Current PHP version number */
$message = sprintf( __('You cannot update because <a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires PHP version %2$s or higher. You are running version %3$s.'), $update->current, $update->php_version, $php_version );
elseif ( !$mysql_compat )
/* translators: 1: WordPress version number, 2: Minimum required MySQL version number, 3: Current MySQL version number */
$message = sprintf( __('You cannot update because <a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires MySQL version %2$s or higher. You are running version %3$s.'), $update->current, $update->mysql_version, $mysql_version );
else
/* translators: 1: WordPress version number, 2: WordPress version number including locale if necessary */
$message = sprintf(__('You can update to <a href="https://codex.wordpress.org/Version_%1$s">WordPress %2$s</a> automatically:'), $update->current, $version_string);
if ( !$mysql_compat || !$php_compat )
$show_buttons = false;
}
}
echo '<p>';
echo $message;
echo '</p>';
echo '<form method="post" action="' . $form_action . '" name="upgrade" class="upgrade">';
wp_nonce_field('upgrade-core');
echo '<p>';
echo '<input name="version" value="'. esc_attr($update->current) .'" type="hidden"/>';
echo '<input name="locale" value="'. esc_attr($update->locale) .'" type="hidden"/>';
if ( $show_buttons ) {
if ( $first_pass ) {
submit_button( $submit, $current ? '' : 'primary regular', 'upgrade', false );
$first_pass = false;
} else {
submit_button( $submit, '', 'upgrade', false );
}
}
if ( 'en_US' != $update->locale )
if ( !isset( $update->dismissed ) || !$update->dismissed )
submit_button( __( 'Hide this update' ), '', 'dismiss', false );
else
submit_button( __( 'Bring back this update' ), '', 'undismiss', false );
echo '</p>';
if ( 'en_US' != $update->locale && ( !isset($wp_local_package) || $wp_local_package != $update->locale ) )
echo '<p class="hint">'.__('This localized version contains both the translation and various other localization fixes. You can skip upgrading if you want to keep your current translation.').'</p>';
// Partial builds don't need language-specific warnings.
elseif ( 'en_US' == $update->locale && get_locale() != 'en_US' && ( ! $update->packages->partial && $wp_version == $update->partial_version ) ) {
echo '<p class="hint">'.sprintf( __('You are about to install WordPress %s <strong>in English (US).</strong> There is a chance this update will break your translation. You may prefer to wait for the localized version to be released.'), $update->response != 'development' ? $update->current : '' ).'</p>';
}
echo '</form>';
}
/**
* @since 2.7.0
*/
function dismissed_updates() {
$dismissed = get_core_updates( array( 'dismissed' => true, 'available' => false ) );
if ( $dismissed ) {
$show_text = esc_js(__('Show hidden updates'));
$hide_text = esc_js(__('Hide hidden updates'));
?>
<script type="text/javascript">
jQuery(function($) {
$('dismissed-updates').show();
$('#show-dismissed').toggle(function(){$(this).text('<?php echo $hide_text; ?>');}, function() {$(this).text('<?php echo $show_text; ?>')});
$('#show-dismissed').click(function() { $('#dismissed-updates').toggle('slow');});
});
</script>
<?php
echo '<p class="hide-if-no-js"><a id="show-dismissed" href="#">'.__('Show hidden updates').'</a></p>';
echo '<ul id="dismissed-updates" class="core-updates dismissed">';
foreach ( (array) $dismissed as $update) {
echo '<li>';
list_core_update( $update );
echo '</li>';
}
echo '</ul>';
}
}
/**
* Display upgrade WordPress for downloading latest or upgrading automatically form.
*
* @since 2.7.0
*
* @global string $required_php_version
* @global string $required_mysql_version
*/
function core_upgrade_preamble() {
global $required_php_version, $required_mysql_version;
$wp_version = get_bloginfo( 'version' );
$updates = get_core_updates();
if ( !isset($updates[0]->response) || 'latest' == $updates[0]->response ) {
echo '<h2>';
_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 '</h2>';
} else {
echo '<div class="notice notice-warning"><p>';
_e('<strong>Important:</strong> before updating, please <a href="https://codex.wordpress.org/WordPress_Backups">back up your database and files</a>. For help with updates, visit the <a href="https://codex.wordpress.org/Updating_WordPress">Updating WordPress</a> Codex page.');
echo '</p></div>';
echo '<h2 class="response">';
_e( 'An updated version of WordPress is available.' );
echo '</h2>';
}
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 '<div class="updated inline"><p>';
echo '<strong>' . __( 'BETA TESTERS:' ) . '</strong> ' . __( 'This site is set up to install updates of future beta versions automatically.' );
echo '</p></div>';
}
}
echo '<ul class="core-updates">';
foreach ( (array) $updates as $update ) {
echo '<li>';
list_core_update( $update );
echo '</li>';
}
echo '</ul>';
// 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 '<p>' . __( '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.' ) . '</p>';
} elseif ( ! $updates ) {
list( $normalized_version ) = explode( '-', $wp_version );
echo '<p>' . sprintf( __( '<a href="%s">Learn more about WordPress %s</a>.' ), esc_url( self_admin_url( 'about.php' ) ), $normalized_version ) . '</p>';
}
dismissed_updates();
}
function list_plugin_updates() {
$wp_version = get_bloginfo( '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 '<h2>' . __( 'Plugins' ) . '</h2>';
echo '<p>' . __( 'Your plugins are all up to date.' ) . '</p>';
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;
?>
<h2><?php _e( 'Plugins' ); ?></h2>
<p><?php _e( 'The following plugins have new versions available. Check the ones you want to update and then click “Update Plugins”.' ); ?></p>
<form method="post" action="<?php echo esc_url( $form_action ); ?>" name="upgrade-plugins" class="upgrade">
<?php wp_nonce_field('upgrade-core'); ?>
<p><input id="upgrade-plugins" class="button" type="submit" value="<?php esc_attr_e('Update Plugins'); ?>" name="upgrade" /></p>
<table class="widefat updates-table" id="update-plugins-table">
<thead>
<tr>
<td class="manage-column check-column"><input type="checkbox" id="plugins-select-all" /></td>
<td class="manage-column"><label for="plugins-select-all"><?php _e( 'Select All' ); ?></label></td>
</tr>
</thead>
<tbody class="plugins">
<?php
foreach ( (array) $plugins as $plugin_file => $plugin_data ) {
$plugin_data = (object) _get_plugin_data_markup_translate( $plugin_file, (array) $plugin_data, false, true );
$icon = '<span class="dashicons dashicons-admin-plugins"></span>';
$preferred_icons = array( 'svg', '1x', '2x', 'default' );
foreach ( $preferred_icons as $preferred_icon ) {
if ( ! empty( $plugin_data->update->icons[ $preferred_icon ] ) ) {
$icon = '<img src="' . esc_url( $plugin_data->update->icons[ $preferred_icon ] ) . '" alt="" />';
break;
}
}
// Get plugin compat for running version of WordPress.
if ( isset($plugin_data->update->tested) && version_compare($plugin_data->update->tested, $cur_wp_version, '>=') ) {
$compat = '<br />' . sprintf(__('Compatibility with WordPress %1$s: 100%% (according to its author)'), $cur_wp_version);
} elseif ( isset($plugin_data->update->compatibility->{$cur_wp_version}) ) {
$compat = $plugin_data->update->compatibility->{$cur_wp_version};
$compat = '<br />' . sprintf(__('Compatibility with WordPress %1$s: %2$d%% (%3$d "works" votes out of %4$d total)'), $cur_wp_version, $compat->percent, $compat->votes, $compat->total_votes);
} else {
$compat = '<br />' . sprintf(__('Compatibility with WordPress %1$s: Unknown'), $cur_wp_version);
}
// Get plugin compat for updated version of WordPress.
if ( $core_update_version ) {
if ( isset( $plugin_data->update->tested ) && version_compare( $plugin_data->update->tested, $core_update_version, '>=' ) ) {
$compat .= '<br />' . sprintf( __( 'Compatibility with WordPress %1$s: 100%% (according to its author)' ), $core_update_version );
} elseif ( isset( $plugin_data->update->compatibility->{$core_update_version} ) ) {
$update_compat = $plugin_data->update->compatibility->{$core_update_version};
$compat .= '<br />' . sprintf(__('Compatibility with WordPress %1$s: %2$d%% (%3$d "works" votes out of %4$d total)'), $core_update_version, $update_compat->percent, $update_compat->votes, $update_compat->total_votes);
} else {
$compat .= '<br />' . sprintf(__('Compatibility with WordPress %1$s: Unknown'), $core_update_version);
}
}
// Get the upgrade notice for the new plugin version.
if ( isset($plugin_data->update->upgrade_notice) ) {
$upgrade_notice = '<br />' . strip_tags($plugin_data->update->upgrade_notice);
} else {
$upgrade_notice = '';
}
$details_url = self_admin_url('plugin-install.php?tab=plugin-information&plugin=' . $plugin_data->update->slug . '§ion=changelog&TB_iframe=true&width=640&height=662');
$details = sprintf(
'<a href="%1$s" class="thickbox open-plugin-details-modal" aria-label="%2$s">%3$s</a>',
esc_url( $details_url ),
/* translators: 1: plugin name, 2: version number */
esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $plugin_data->Name, $plugin_data->update->new_version ) ),
/* translators: %s: plugin version */
sprintf( __( 'View version %s details.' ), $plugin_data->update->new_version )
);
$checkbox_id = "checkbox_" . md5( $plugin_data->Name );
?>
<tr>
<td class="check-column">
<input type="checkbox" name="checked[]" id="<?php echo $checkbox_id; ?>" value="<?php echo esc_attr( $plugin_file ); ?>" />
<label for="<?php echo $checkbox_id; ?>" class="screen-reader-text"><?php
/* translators: %s: plugin name */
printf( __( 'Select %s' ),
$plugin_data->Name
);
?></label>
</td>
<td class="plugin-title"><p>
<?php echo $icon; ?>
<strong><?php echo $plugin_data->Name; ?></strong>
<?php
/* translators: 1: plugin version, 2: new version */
printf( __( 'You have version %1$s installed. Update to %2$s.' ),
$plugin_data->Version,
$plugin_data->update->new_version
);
echo ' ' . $details . $compat . $upgrade_notice;
?>
</p></td>
</tr>
<?php
}
?>
</tbody>
<tfoot>
<tr>
<td class="manage-column check-column"><input type="checkbox" id="plugins-select-all-2" /></td>
<td class="manage-column"><label for="plugins-select-all-2"><?php _e( 'Select All' ); ?></label></td>
</tr>
</tfoot>
</table>
<p><input id="upgrade-plugins-2" class="button" type="submit" value="<?php esc_attr_e('Update Plugins'); ?>" name="upgrade" /></p>
</form>
<?php
}
/**
* @since 2.9.0
*/
function list_theme_updates() {
$themes = get_theme_updates();
if ( empty( $themes ) ) {
echo '<h2>' . __( 'Themes' ) . '</h2>';
echo '<p>' . __( 'Your themes are all up to date.' ) . '</p>';
return;
}
$form_action = 'update-core.php?action=do-theme-upgrade';
?>
<h2><?php _e( 'Themes' ); ?></h2>
<p><?php _e( 'The following themes have new versions available. Check the ones you want to update and then click “Update Themes”.' ); ?></p>
<p><?php printf( __( '<strong>Please Note:</strong> Any customizations you have made to theme files will be lost. Please consider using <a href="%s">child themes</a> for modifications.' ), __( 'https://codex.wordpress.org/Child_Themes' ) ); ?></p>
<form method="post" action="<?php echo esc_url( $form_action ); ?>" name="upgrade-themes" class="upgrade">
<?php wp_nonce_field('upgrade-core'); ?>
<p><input id="upgrade-themes" class="button" type="submit" value="<?php esc_attr_e('Update Themes'); ?>" name="upgrade" /></p>
<table class="widefat updates-table" id="update-themes-table">
<thead>
<tr>
<td class="manage-column check-column"><input type="checkbox" id="themes-select-all" /></td>
<td class="manage-column"><label for="themes-select-all"><?php _e( 'Select All' ); ?></label></td>
</tr>
</thead>
<tbody class="plugins">
<?php
foreach ( $themes as $stylesheet => $theme ) {
$checkbox_id = 'checkbox_' . md5( $theme->get( 'Name' ) );
?>
<tr>
<td class="check-column">
<input type="checkbox" name="checked[]" id="<?php echo $checkbox_id; ?>" value="<?php echo esc_attr( $stylesheet ); ?>" />
<label for="<?php echo $checkbox_id; ?>" class="screen-reader-text"><?php
/* translators: %s: theme name */
printf( __( 'Select %s' ),
$theme->display( 'Name' )
);
?></label>
</td>
<td class="plugin-title"><p>
<img src="<?php echo esc_url( $theme->get_screenshot() ); ?>" width="85" height="64" class="updates-table-screenshot" alt="" />
<strong><?php echo $theme->display( 'Name' ); ?></strong>
<?php
/* translators: 1: theme version, 2: new version */
printf( __( 'You have version %1$s installed. Update to %2$s.' ),
$theme->display( 'Version' ),
$theme->update['new_version']
);
?>
</p></td>
</tr>
<?php
}
?>
</tbody>
<tfoot>
<tr>
<td class="manage-column check-column"><input type="checkbox" id="themes-select-all-2" /></td>
<td class="manage-column"><label for="themes-select-all-2"><?php _e( 'Select All' ); ?></label></td>
</tr>
</tfoot>
</table>
<p><input id="upgrade-themes-2" class="button" type="submit" value="<?php esc_attr_e('Update Themes'); ?>" name="upgrade" /></p>
</form>
<?php
}
/**
* @since 3.7.0
*/
function list_translation_updates() {
$updates = wp_get_translation_updates();
if ( ! $updates ) {
if ( 'en_US' != get_locale() ) {
echo '<h2>' . __( 'Translations' ) . '</h2>';
echo '<p>' . __( 'Your translations are all up to date.' ) . '</p>';
}
return;
}
$form_action = 'update-core.php?action=do-translation-upgrade';
?>
<h2><?php _e( 'Translations' ); ?></h2>
<form method="post" action="<?php echo esc_url( $form_action ); ?>" name="upgrade-translations" class="upgrade">
<p><?php _e( 'New translations are available.' ); ?></p>
<?php wp_nonce_field( 'upgrade-translations' ); ?>
<p><input class="button" type="submit" value="<?php esc_attr_e( 'Update Translations' ); ?>" name="upgrade" /></p>
</form>
<?php
}
/**
* Upgrade WordPress core display.
*
* @since 2.7.0
*
* @global WP_Filesystem_Base $wp_filesystem Subclass
*
* @param bool $reinstall
*/
function do_core_upgrade( $reinstall = false ) {
global $wp_filesystem;
include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
if ( $reinstall )
$url = 'update-core.php?action=do-core-reinstall';
else
$url = 'update-core.php?action=do-core-upgrade';
$url = wp_nonce_url($url, 'upgrade-core');
$version = isset( $_POST['version'] )? $_POST['version'] : false;
$locale = isset( $_POST['locale'] )? $_POST['locale'] : 'en_US';
$update = find_core_update( $version, $locale );
if ( !$update )
return;
// Allow relaxed file ownership writes for User-initiated upgrades when the API specifies
// that it's safe to do so. This only happens when there are no new files to create.
$allow_relaxed_file_ownership = ! $reinstall && isset( $update->new_files ) && ! $update->new_files;
?>
<div class="wrap">
<h1><?php _e( 'Update WordPress' ); ?></h1>
<?php
if ( false === ( $credentials = request_filesystem_credentials( $url, '', false, ABSPATH, array( 'version', 'locale' ), $allow_relaxed_file_ownership ) ) ) {
echo '</div>';
return;
}
if ( ! WP_Filesystem( $credentials, ABSPATH, $allow_relaxed_file_ownership ) ) {
// Failed to connect, Error and request again
request_filesystem_credentials( $url, '', true, ABSPATH, array( 'version', 'locale' ), $allow_relaxed_file_ownership );
echo '</div>';
return;
}
if ( $wp_filesystem->errors->get_error_code() ) {
foreach ( $wp_filesystem->errors->get_error_messages() as $message )
show_message($message);
echo '</div>';
return;
}
if ( $reinstall )
$update->response = 'reinstall';
add_filter( 'update_feedback', 'show_message' );
$upgrader = new Core_Upgrader();
$result = $upgrader->upgrade( $update, array(
'allow_relaxed_file_ownership' => $allow_relaxed_file_ownership
) );
if ( is_wp_error($result) ) {
show_message($result);
if ( 'up_to_date' != $result->get_error_code() && 'locked' != $result->get_error_code() )
show_message( __('Installation Failed') );
echo '</div>';
return;
}
show_message( __('WordPress updated successfully') );
show_message( '<span class="hide-if-no-js">' . sprintf( __( 'Welcome to WordPress %1$s. You will be redirected to the About WordPress screen. If not, click <a href="%2$s">here</a>.' ), $result, esc_url( self_admin_url( 'about.php?updated' ) ) ) . '</span>' );
show_message( '<span class="hide-if-js">' . sprintf( __( 'Welcome to WordPress %1$s. <a href="%2$s">Learn more</a>.' ), $result, esc_url( self_admin_url( 'about.php?updated' ) ) ) . '</span>' );
?>
</div>
<script type="text/javascript">
window.location = '<?php echo self_admin_url( 'about.php?updated' ); ?>';
</script>
<?php
}
/**
* @since 2.7.0
*/
function do_dismiss_core_update() {
$version = isset( $_POST['version'] )? $_POST['version'] : false;
$locale = isset( $_POST['locale'] )? $_POST['locale'] : 'en_US';
$update = find_core_update( $version, $locale );
if ( !$update )
return;
dismiss_core_update( $update );
wp_redirect( wp_nonce_url('update-core.php?action=upgrade-core', 'upgrade-core') );
exit;
}
/**
* @since 2.7.0
*/
function do_undismiss_core_update() {
$version = isset( $_POST['version'] )? $_POST['version'] : false;
$locale = isset( $_POST['locale'] )? $_POST['locale'] : 'en_US';
$update = find_core_update( $version, $locale );
if ( !$update )
return;
undismiss_core_update( $version, $locale );
wp_redirect( wp_nonce_url('update-core.php?action=upgrade-core', 'upgrade-core') );
exit;
}
$action = isset($_GET['action']) ? $_GET['action'] : 'upgrade-core';
$upgrade_error = false;
if ( ( 'do-theme-upgrade' == $action || ( 'do-plugin-upgrade' == $action && ! isset( $_GET['plugins'] ) ) )
&& ! isset( $_POST['checked'] ) ) {
$upgrade_error = $action == 'do-theme-upgrade' ? 'themes' : 'plugins';
$action = 'upgrade-core';
}
$title = __('WordPress Updates');
$parent_file = 'index.php';
$updates_overview = '<p>' . __( 'On this screen, you can update to the latest version of WordPress, as well as update your themes, plugins, and translations from the WordPress.org repositories.' ) . '</p>';
$updates_overview .= '<p>' . __( '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.' ) . '</p>';
get_current_screen()->add_help_tab( array(
'id' => 'overview',
'title' => __( 'Overview' ),
'content' => $updates_overview
) );
$updates_howto = '<p>' . __( '<strong>WordPress</strong> — Updating your WordPress installation is a simple one-click procedure: just <strong>click on the “Update Now” button</strong> 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.' ) . '</p>';
$updates_howto .= '<p>' . __( '<strong>Themes and Plugins</strong> — To update individual themes or plugins from this screen, use the checkboxes to make your selection, then <strong>click on the appropriate “Update” button</strong>. 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.' ) . '</p>';
if ( 'en_US' != get_locale() ) {
$updates_howto .= '<p>' . __( '<strong>Translations</strong> — 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 <strong>click the “Update Translations”</strong> button.' ) . '</p>';
}
get_current_screen()->add_help_tab( array(
'id' => 'how-to-update',
'title' => __( 'How to Update' ),
'content' => $updates_howto
) );
get_current_screen()->set_help_sidebar(
'<p><strong>' . __('For more information:') . '</strong></p>' .
'<p>' . __( '<a href="https://codex.wordpress.org/Dashboard_Updates_Screen">Documentation on Updating WordPress</a>' ) . '</p>' .
'<p>' . __( '<a href="https://wordpress.org/support/">Support Forums</a>' ) . '</p>'
);
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');
?>
<div class="wrap">
<h1><?php _e( 'WordPress Updates' ); ?></h1>
<?php
if ( $upgrade_error ) {
echo '<div class="error"><p>';
if ( $upgrade_error == 'themes' )
_e('Please select one or more themes to update.');
else
_e('Please select one or more plugins to update.');
echo '</p></div>';
}
$last_update_check = false;
$current = get_site_transient( 'update_core' );
if ( $current && isset ( $current->last_checked ) ) {
$last_update_check = $current->last_checked + get_option( 'gmt_offset' ) * HOUR_IN_SECONDS;
}
echo '<p>';
/* translators: %1 date, %2 time. */
printf( __( 'Last checked on %1$s at %2$s.' ), date_i18n( __( 'F j, Y' ), $last_update_check ), date_i18n( __( 'g:i a' ), $last_update_check ) );
echo ' <a class="button" href="' . esc_url( self_admin_url('update-core.php?force-check=1') ) . '">' . __( 'Check Again' ) . '</a>';
echo '</p>';
if ( current_user_can( 'update_core' ) ) {
core_upgrade_preamble();
}
if ( current_user_can( 'update_plugins' ) ) {
list_plugin_updates();
}
if ( current_user_can( 'update_themes' ) ) {
list_theme_updates();
}
if ( current_user_can( 'update_languages' ) ) {
list_translation_updates();
}
/**
* Fires after the core, plugin, and theme update tables.
*
* @since 2.9.0
*/
do_action( 'core_upgrade_preamble' );
echo '</div>';
wp_localize_script( 'updates', '_wpUpdatesItemCounts', array(
'totals' => wp_get_update_data(),
) );
include(ABSPATH . 'wp-admin/admin-footer.php');
} elseif ( 'do-core-upgrade' == $action || 'do-core-reinstall' == $action ) {
if ( ! current_user_can( 'update_core' ) )
wp_die( __( 'Sorry, you are not allowed 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);
wp_localize_script( 'updates', '_wpUpdatesItemCounts', array(
'totals' => wp_get_update_data(),
) );
include(ABSPATH . 'wp-admin/admin-footer.php');
} elseif ( 'do-plugin-upgrade' == $action ) {
if ( ! current_user_can( 'update_plugins' ) )
wp_die( __( 'Sorry, you are not allowed 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 '<div class="wrap">';
echo '<h1>' . __( 'Update Plugins' ) . '</h1>';
echo '<iframe src="', $url, '" style="width: 100%; height: 100%; min-height: 750px;" frameborder="0" title="' . esc_attr__( 'Update progress' ) . '"></iframe>';
echo '</div>';
wp_localize_script( 'updates', '_wpUpdatesItemCounts', array(
'totals' => wp_get_update_data(),
) );
include(ABSPATH . 'wp-admin/admin-footer.php');
} elseif ( 'do-theme-upgrade' == $action ) {
if ( ! current_user_can( 'update_themes' ) )
wp_die( __( 'Sorry, you are not allowed 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');
?>
<div class="wrap">
<h1><?php _e( 'Update Themes' ); ?></h1>
<iframe src="<?php echo $url ?>" style="width: 100%; height: 100%; min-height: 750px;" frameborder="0" title="<?php esc_attr_e( 'Update progress' ); ?>"></iframe>
</div>
<?php
wp_localize_script( 'updates', '_wpUpdatesItemCounts', array(
'totals' => wp_get_update_data(),
) );
include(ABSPATH . 'wp-admin/admin-footer.php');
} elseif ( 'do-translation-upgrade' == $action ) {
if ( ! current_user_can( 'update_languages' ) )
wp_die( __( 'Sorry, you are not allowed 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 = $upgrader->bulk_upgrade();
wp_localize_script( 'updates', '_wpUpdatesItemCounts', array(
'totals' => wp_get_update_data(),
) );
require_once( ABSPATH . 'wp-admin/admin-footer.php' );
} else {
/**
* Fires for each custom update action on the WordPress Updates screen.
*
* The dynamic portion of the hook name, `$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}" );
}