3 * WordPress Administration Update API
6 * @subpackage Administration
10 * Selects the first update version from the update_core option.
12 * @return object|array|false The response from the API on success, false on failure.
14 function get_preferred_from_update_core() {
15 $updates = get_core_updates();
16 if ( ! is_array( $updates ) )
18 if ( empty( $updates ) )
19 return (object) array( 'response' => 'latest' );
24 * Get available core updates.
26 * @param array $options Set $options['dismissed'] to true to show dismissed upgrades too,
27 * set $options['available'] to false to skip not-dismissed updates.
28 * @return array|false Array of the update objects on success, false on failure.
30 function get_core_updates( $options = array() ) {
31 $options = array_merge( array( 'available' => true, 'dismissed' => false ), $options );
32 $dismissed = get_site_option( 'dismissed_update_core' );
34 if ( ! is_array( $dismissed ) )
37 $from_api = get_site_transient( 'update_core' );
39 if ( ! isset( $from_api->updates ) || ! is_array( $from_api->updates ) )
42 $updates = $from_api->updates;
44 foreach ( $updates as $update ) {
45 if ( $update->response == 'autoupdate' )
48 if ( array_key_exists( $update->current . '|' . $update->locale, $dismissed ) ) {
49 if ( $options['dismissed'] ) {
50 $update->dismissed = true;
54 if ( $options['available'] ) {
55 $update->dismissed = false;
64 * Gets the best available (and enabled) Auto-Update for WordPress Core.
66 * If there's 1.2.3 and 1.3 on offer, it'll choose 1.3 if the install allows it, else, 1.2.3
70 * @return array|false False on failure, otherwise the core update offering.
72 function find_core_auto_update() {
73 $updates = get_site_transient( 'update_core' );
74 if ( ! $updates || empty( $updates->updates ) )
77 include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
80 $upgrader = new WP_Automatic_Updater;
81 foreach ( $updates->updates as $update ) {
82 if ( 'autoupdate' != $update->response )
85 if ( ! $upgrader->should_update( 'core', $update, ABSPATH ) )
88 if ( ! $auto_update || version_compare( $update->current, $auto_update->current, '>' ) )
89 $auto_update = $update;
95 * Gets and caches the checksums for the given version of WordPress.
99 * @param string $version Version string to query.
100 * @param string $locale Locale to query.
101 * @return bool|array False on failure. An array of checksums on success.
103 function get_core_checksums( $version, $locale ) {
104 $url = $http_url = 'http://api.wordpress.org/core/checksums/1.0/?' . http_build_query( compact( 'version', 'locale' ), null, '&' );
106 if ( $ssl = wp_http_supports( array( 'ssl' ) ) )
107 $url = set_url_scheme( $url, 'https' );
110 'timeout' => ( ( defined('DOING_CRON') && DOING_CRON ) ? 30 : 3 ),
113 $response = wp_remote_get( $url, $options );
114 if ( $ssl && is_wp_error( $response ) ) {
115 trigger_error( __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="https://wordpress.org/support/">support forums</a>.' ) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ), headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE );
116 $response = wp_remote_get( $http_url, $options );
119 if ( is_wp_error( $response ) || 200 != wp_remote_retrieve_response_code( $response ) )
122 $body = trim( wp_remote_retrieve_body( $response ) );
123 $body = json_decode( $body, true );
125 if ( ! is_array( $body ) || ! isset( $body['checksums'] ) || ! is_array( $body['checksums'] ) )
128 return $body['checksums'];
133 * @param object $update
136 function dismiss_core_update( $update ) {
137 $dismissed = get_site_option( 'dismissed_update_core' );
138 $dismissed[ $update->current . '|' . $update->locale ] = true;
139 return update_site_option( 'dismissed_update_core', $dismissed );
144 * @param string $version
145 * @param string $locale
148 function undismiss_core_update( $version, $locale ) {
149 $dismissed = get_site_option( 'dismissed_update_core' );
150 $key = $version . '|' . $locale;
152 if ( ! isset( $dismissed[$key] ) )
155 unset( $dismissed[$key] );
156 return update_site_option( 'dismissed_update_core', $dismissed );
161 * @param string $version
162 * @param string $locale
163 * @return object|false
165 function find_core_update( $version, $locale ) {
166 $from_api = get_site_transient( 'update_core' );
168 if ( ! isset( $from_api->updates ) || ! is_array( $from_api->updates ) )
171 $updates = $from_api->updates;
172 foreach ( $updates as $update ) {
173 if ( $update->current == $version && $update->locale == $locale )
184 function core_update_footer( $msg = '' ) {
185 if ( !current_user_can('update_core') )
186 return sprintf( __( 'Version %s' ), get_bloginfo( 'version', 'display' ) );
188 $cur = get_preferred_from_update_core();
189 if ( ! is_object( $cur ) )
192 if ( ! isset( $cur->current ) )
195 if ( ! isset( $cur->url ) )
198 if ( ! isset( $cur->response ) )
201 switch ( $cur->response ) {
203 return sprintf( __( 'You are using a development version (%1$s). Cool! Please <a href="%2$s">stay updated</a>.' ), get_bloginfo( 'version', 'display' ), network_admin_url( 'update-core.php' ) );
206 return sprintf( '<strong>'.__( '<a href="%1$s">Get Version %2$s</a>' ).'</strong>', network_admin_url( 'update-core.php' ), $cur->current);
210 return sprintf( __( 'Version %s' ), get_bloginfo( 'version', 'display' ) );
216 * @global string $pagenow
219 function update_nag() {
220 if ( is_multisite() && !current_user_can('update_core') )
225 if ( 'update-core.php' == $pagenow )
228 $cur = get_preferred_from_update_core();
230 if ( ! isset( $cur->response ) || $cur->response != 'upgrade' )
233 if ( current_user_can('update_core') ) {
234 $msg = sprintf( __('<a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> is available! <a href="%2$s">Please update now</a>.'), $cur->current, network_admin_url( 'update-core.php' ) );
236 $msg = sprintf( __('<a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> is available! Please notify the site administrator.'), $cur->current );
238 echo "<div class='update-nag'>$msg</div>";
241 // Called directly from dashboard
242 function update_right_now_message() {
243 $theme_name = wp_get_theme();
244 if ( current_user_can( 'switch_themes' ) ) {
245 $theme_name = sprintf( '<a href="themes.php">%1$s</a>', $theme_name );
250 if ( current_user_can('update_core') ) {
251 $cur = get_preferred_from_update_core();
253 if ( isset( $cur->response ) && $cur->response == 'upgrade' )
254 $msg .= '<a href="' . network_admin_url( 'update-core.php' ) . '" class="button" aria-describedby="wp-version">' . sprintf( __( 'Update to %s' ), $cur->current ? $cur->current : __( 'Latest' ) ) . '</a> ';
257 $msg .= sprintf( '<span id="wp-version">' . __( 'WordPress %1$s running %2$s theme.' ) . '</span>', get_bloginfo( 'version', 'display' ), $theme_name );
259 echo "<p id='wp-version-message'>$msg</p>";
267 function get_plugin_updates() {
268 $all_plugins = get_plugins();
269 $upgrade_plugins = array();
270 $current = get_site_transient( 'update_plugins' );
271 foreach ( (array)$all_plugins as $plugin_file => $plugin_data) {
272 if ( isset( $current->response[ $plugin_file ] ) ) {
273 $upgrade_plugins[ $plugin_file ] = (object) $plugin_data;
274 $upgrade_plugins[ $plugin_file ]->update = $current->response[ $plugin_file ];
278 return $upgrade_plugins;
284 function wp_plugin_update_rows() {
285 if ( !current_user_can('update_plugins' ) )
288 $plugins = get_site_transient( 'update_plugins' );
289 if ( isset($plugins->response) && is_array($plugins->response) ) {
290 $plugins = array_keys( $plugins->response );
291 foreach( $plugins as $plugin_file ) {
292 add_action( "after_plugin_row_$plugin_file", 'wp_plugin_update_row', 10, 2 );
299 * @param string $file
300 * @param array $plugin_data
303 function wp_plugin_update_row( $file, $plugin_data ) {
304 $current = get_site_transient( 'update_plugins' );
305 if ( !isset( $current->response[ $file ] ) )
308 $r = $current->response[ $file ];
310 $plugins_allowedtags = array('a' => array('href' => array(),'title' => array()),'abbr' => array('title' => array()),'acronym' => array('title' => array()),'code' => array(),'em' => array(),'strong' => array());
311 $plugin_name = wp_kses( $plugin_data['Name'], $plugins_allowedtags );
313 $details_url = self_admin_url('plugin-install.php?tab=plugin-information&plugin=' . $r->slug . '§ion=changelog&TB_iframe=true&width=600&height=800');
315 $wp_list_table = _get_list_table('WP_Plugins_List_Table');
317 if ( is_network_admin() || !is_multisite() ) {
318 if ( is_network_admin() ) {
319 $active_class = is_plugin_active_for_network( $file ) ? ' active': '';
321 $active_class = is_plugin_active( $file ) ? ' active' : '';
324 echo '<tr class="plugin-update-tr' . $active_class . '" id="' . esc_attr( $r->slug . '-update' ) . '" data-slug="' . esc_attr( $r->slug ) . '" data-plugin="' . esc_attr( $file ) . '"><td colspan="' . esc_attr( $wp_list_table->get_column_count() ) . '" class="plugin-update colspanchange"><div class="update-message">';
326 if ( ! current_user_can( 'update_plugins' ) ) {
327 printf( __('There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s details</a>.'), $plugin_name, esc_url($details_url), esc_attr($plugin_name), $r->new_version );
328 } elseif ( empty($r->package) ) {
329 printf( __('There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s details</a>. <em>Automatic update is unavailable for this plugin.</em>'), $plugin_name, esc_url($details_url), esc_attr($plugin_name), $r->new_version );
331 printf( __( 'There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s details</a> or <a href="%5$s" class="update-link">update now</a>.' ), $plugin_name, esc_url( $details_url ), esc_attr( $plugin_name ), $r->new_version, wp_nonce_url( self_admin_url( 'update.php?action=upgrade-plugin&plugin=' ) . $file, 'upgrade-plugin_' . $file ) );
334 * Fires at the end of the update message container in each
335 * row of the plugins list table.
337 * The dynamic portion of the hook name, `$file`, refers to the path
338 * of the plugin's primary file relative to the plugins directory.
342 * @param array $plugin_data {
343 * An array of plugin metadata.
345 * @type string $name The human-readable name of the plugin.
346 * @type string $plugin_uri Plugin URI.
347 * @type string $version Plugin version.
348 * @type string $description Plugin description.
349 * @type string $author Plugin author.
350 * @type string $author_uri Plugin author URI.
351 * @type string $text_domain Plugin text domain.
352 * @type string $domain_path Relative path to the plugin's .mo file(s).
353 * @type bool $network Whether the plugin can only be activated network wide.
354 * @type string $title The human-readable title of the plugin.
355 * @type string $author_name Plugin author's name.
356 * @type bool $update Whether there's an available update. Default null.
359 * An array of metadata about the available plugin update.
361 * @type int $id Plugin ID.
362 * @type string $slug Plugin slug.
363 * @type string $new_version New plugin version.
364 * @type string $url Plugin URL.
365 * @type string $package Plugin update package URL.
368 do_action( "in_plugin_update_message-{$file}", $plugin_data, $r );
370 echo '</div></td></tr>';
378 function get_theme_updates() {
379 $current = get_site_transient('update_themes');
381 if ( ! isset( $current->response ) )
384 $update_themes = array();
385 foreach ( $current->response as $stylesheet => $data ) {
386 $update_themes[ $stylesheet ] = wp_get_theme( $stylesheet );
387 $update_themes[ $stylesheet ]->update = $data;
390 return $update_themes;
396 function wp_theme_update_rows() {
397 if ( !current_user_can('update_themes' ) )
400 $themes = get_site_transient( 'update_themes' );
401 if ( isset($themes->response) && is_array($themes->response) ) {
402 $themes = array_keys( $themes->response );
404 foreach( $themes as $theme ) {
405 add_action( "after_theme_row_$theme", 'wp_theme_update_row', 10, 2 );
412 * @param string $theme_key
413 * @param WP_Theme $theme
416 function wp_theme_update_row( $theme_key, $theme ) {
417 $current = get_site_transient( 'update_themes' );
418 if ( !isset( $current->response[ $theme_key ] ) )
420 $r = $current->response[ $theme_key ];
422 $details_url = add_query_arg( array( 'TB_iframe' => 'true', 'width' => 1024, 'height' => 800 ), $current->response[ $theme_key ]['url'] );
424 $wp_list_table = _get_list_table('WP_MS_Themes_List_Table');
426 echo '<tr class="plugin-update-tr"><td colspan="' . $wp_list_table->get_column_count() . '" class="plugin-update colspanchange"><div class="update-message">';
427 if ( ! current_user_can('update_themes') ) {
428 printf( __('There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s details</a>.'), $theme['Name'], esc_url($details_url), esc_attr($theme['Name']), $r->new_version );
429 } elseif ( empty( $r['package'] ) ) {
430 printf( __('There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s details</a>. <em>Automatic update is unavailable for this theme.</em>'), $theme['Name'], esc_url($details_url), esc_attr($theme['Name']), $r['new_version'] );
432 printf( __('There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s details</a> or <a href="%5$s">update now</a>.'), $theme['Name'], esc_url($details_url), esc_attr($theme['Name']), $r['new_version'], wp_nonce_url( self_admin_url('update.php?action=upgrade-theme&theme=') . $theme_key, 'upgrade-theme_' . $theme_key) );
435 * Fires at the end of the update message container in each
436 * row of the themes list table.
438 * The dynamic portion of the hook name, `$theme_key`, refers to
439 * the theme slug as found in the WordPress.org themes repository.
443 * @param WP_Theme $theme The WP_Theme object.
445 * An array of metadata about the available theme update.
447 * @type string $new_version New theme version.
448 * @type string $url Theme URL.
449 * @type string $package Theme update package URL.
452 do_action( "in_theme_update_message-{$theme_key}", $theme, $r );
454 echo '</div></td></tr>';
459 * @global int $upgrading
462 function maintenance_nag() {
463 include( ABSPATH . WPINC . '/version.php' ); // include an unmodified $wp_version
465 $nag = isset( $upgrading );
467 $failed = get_site_option( 'auto_core_update_failed' );
469 * If an update failed critically, we may have copied over version.php but not other files.
470 * In that case, if the install claims we're running the version we attempted, nag.
471 * This is serious enough to err on the side of nagging.
473 * If we simply failed to update before we tried to copy any files, then assume things are
474 * OK if they are now running the latest.
476 * This flag is cleared whenever a successful update occurs using Core_Upgrader.
478 $comparison = ! empty( $failed['critical'] ) ? '>=' : '>';
479 if ( version_compare( $failed['attempted'], $wp_version, $comparison ) )
486 if ( current_user_can('update_core') )
487 $msg = sprintf( __('An automated WordPress update has failed to complete - <a href="%s">please attempt the update again now</a>.'), 'update-core.php' );
489 $msg = __('An automated WordPress update has failed to complete! Please notify the site administrator.');
491 echo "<div class='update-nag'>$msg</div>";