3 * Multisite administration functions.
6 * @subpackage Multisite
11 * Determine if uploaded file exceeds space quota.
15 * @param array $file $_FILES array for a given file.
16 * @return array $_FILES array with 'error' key set if file exceeds quota. 'error' is empty otherwise.
18 function check_upload_size( $file ) {
19 if ( get_site_option( 'upload_space_check_disabled' ) )
22 if ( $file['error'] != '0' ) // there's already an error
25 if ( defined( 'WP_IMPORTING' ) )
28 $space_left = get_upload_space_available();
30 $file_size = filesize( $file['tmp_name'] );
31 if ( $space_left < $file_size )
32 $file['error'] = sprintf( __( 'Not enough space to upload. %1$s KB needed.' ), number_format( ($file_size - $space_left) /1024 ) );
33 if ( $file_size > ( 1024 * get_site_option( 'fileupload_maxk', 1500 ) ) )
34 $file['error'] = sprintf(__('This file is too big. Files must be less than %1$s KB in size.'), get_site_option( 'fileupload_maxk', 1500 ) );
35 if ( upload_is_user_over_quota( false ) ) {
36 $file['error'] = __( 'You have used your space quota. Please delete files before uploading.' );
38 if ( $file['error'] != '0' && ! isset( $_POST['html-upload'] ) && ( ! defined( 'DOING_AJAX' ) || ! DOING_AJAX ) ) {
39 wp_die( $file['error'] . ' <a href="javascript:history.go(-1)">' . __( 'Back' ) . '</a>' );
44 add_filter( 'wp_handle_upload_prefilter', 'check_upload_size' );
51 * @param int $blog_id Blog ID.
52 * @param bool $drop True if blog's table should be dropped. Default is false.
54 function wpmu_delete_blog( $blog_id, $drop = false ) {
58 if ( get_current_blog_id() != $blog_id ) {
60 switch_to_blog( $blog_id );
63 $blog = get_blog_details( $blog_id );
65 * Fires before a blog is deleted.
69 * @param int $blog_id The blog ID.
70 * @param bool $drop True if blog's table should be dropped. Default is false.
72 do_action( 'delete_blog', $blog_id, $drop );
74 $users = get_users( array( 'blog_id' => $blog_id, 'fields' => 'ids' ) );
76 // Remove users from this blog.
77 if ( ! empty( $users ) ) {
78 foreach ( $users as $user_id ) {
79 remove_user_from_blog( $user_id, $blog_id );
83 update_blog_status( $blog_id, 'deleted', 1 );
85 $current_site = get_current_site();
87 // If a full blog object is not available, do not destroy anything.
88 if ( $drop && ! $blog ) {
92 // Don't destroy the initial, main, or root blog.
93 if ( $drop && ( 1 == $blog_id || is_main_site( $blog_id ) || ( $blog->path == $current_site->path && $blog->domain == $current_site->domain ) ) ) {
97 $upload_path = trim( get_option( 'upload_path' ) );
99 // If ms_files_rewriting is enabled and upload_path is empty, wp_upload_dir is not reliable.
100 if ( $drop && get_site_option( 'ms_files_rewriting' ) && empty( $upload_path ) ) {
105 $uploads = wp_upload_dir();
107 $tables = $wpdb->tables( 'blog' );
109 * Filter the tables to drop when the blog is deleted.
113 * @param array $tables The blog tables to be dropped.
114 * @param int $blog_id The ID of the blog to drop tables for.
116 $drop_tables = apply_filters( 'wpmu_drop_tables', $tables, $blog_id );
118 foreach ( (array) $drop_tables as $table ) {
119 $wpdb->query( "DROP TABLE IF EXISTS `$table`" );
122 $wpdb->delete( $wpdb->blogs, array( 'blog_id' => $blog_id ) );
125 * Filter the upload base directory to delete when the blog is deleted.
129 * @param string $uploads['basedir'] Uploads path without subdirectory. @see wp_upload_dir()
130 * @param int $blog_id The blog ID.
132 $dir = apply_filters( 'wpmu_delete_blog_upload_dir', $uploads['basedir'], $blog_id );
133 $dir = rtrim( $dir, DIRECTORY_SEPARATOR );
135 $stack = array($dir);
138 while ( $index < count( $stack ) ) {
139 # Get indexed directory from stack
140 $dir = $stack[$index];
142 $dh = @opendir( $dir );
144 while ( ( $file = @readdir( $dh ) ) !== false ) {
145 if ( $file == '.' || $file == '..' )
148 if ( @is_dir( $dir . DIRECTORY_SEPARATOR . $file ) )
149 $stack[] = $dir . DIRECTORY_SEPARATOR . $file;
150 else if ( @is_file( $dir . DIRECTORY_SEPARATOR . $file ) )
151 @unlink( $dir . DIRECTORY_SEPARATOR . $file );
158 $stack = array_reverse( $stack ); // Last added dirs are deepest
159 foreach( (array) $stack as $dir ) {
160 if ( $dir != $top_dir)
164 clean_blog_cache( $blog );
168 restore_current_blog();
172 * Delete a user from the network and remove from all sites.
176 * @todo Merge with wp_delete_user() ?
178 * @param int $id The user ID.
179 * @return bool True if the user was deleted, otherwise false.
181 function wpmu_delete_user( $id ) {
185 $user = new WP_User( $id );
187 if ( !$user->exists() )
190 * Fires before a user is deleted from the network.
194 * @param int $id ID of the user about to be deleted from the network.
196 do_action( 'wpmu_delete_user', $id );
198 $blogs = get_blogs_of_user( $id );
200 if ( ! empty( $blogs ) ) {
201 foreach ( $blogs as $blog ) {
202 switch_to_blog( $blog->userblog_id );
203 remove_user_from_blog( $id, $blog->userblog_id );
205 $post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_author = %d", $id ) );
206 foreach ( (array) $post_ids as $post_id ) {
207 wp_delete_post( $post_id );
211 $link_ids = $wpdb->get_col( $wpdb->prepare( "SELECT link_id FROM $wpdb->links WHERE link_owner = %d", $id ) );
214 foreach ( $link_ids as $link_id )
215 wp_delete_link( $link_id );
218 restore_current_blog();
222 $meta = $wpdb->get_col( $wpdb->prepare( "SELECT umeta_id FROM $wpdb->usermeta WHERE user_id = %d", $id ) );
223 foreach ( $meta as $mid )
224 delete_metadata_by_mid( 'user', $mid );
226 $wpdb->delete( $wpdb->users, array( 'ID' => $id ) );
228 clean_user_cache( $user );
230 /** This action is documented in wp-admin/includes/user.php */
231 do_action( 'deleted_user', $id );
237 * Sends an email when a site administrator email address is changed.
241 * @param string $old_value The old email address. Not currently used.
242 * @param string $value The new email address.
244 function update_option_new_admin_email( $old_value, $value ) {
245 if ( $value == get_option( 'admin_email' ) || !is_email( $value ) )
248 $hash = md5( $value. time() .mt_rand() );
249 $new_admin_email = array(
253 update_option( 'adminhash', $new_admin_email );
255 $email_text = __( 'Dear user,
257 You recently requested to have the administration email address on
259 If this is correct, please click on the following link to change it:
262 You can safely ignore and delete this email if you do not want to
265 This email has been sent to ###EMAIL###
268 All at ###SITENAME###
272 * Filter the email text sent when the site admin email is changed.
274 * The following strings have a special meaning and will get replaced dynamically:
275 * ###ADMIN_URL### The link to click on to confirm the email change. Required otherwise this functunalty is will break.
276 * ###EMAIL### The new email.
277 * ###SITENAME### The name of the site.
278 * ###SITEURL### The URL to the site.
282 * @param string $email_text Text in the email.
283 * @param string $new_admin_email New admin email that the current administration email was changed to.
285 $content = apply_filters( 'new_admin_email_content', $email_text, $new_admin_email );
287 $content = str_replace( '###ADMIN_URL###', esc_url( admin_url( 'options.php?adminhash='.$hash ) ), $content );
288 $content = str_replace( '###EMAIL###', $value, $content );
289 $content = str_replace( '###SITENAME###', get_site_option( 'site_name' ), $content );
290 $content = str_replace( '###SITEURL###', network_home_url(), $content );
292 wp_mail( $value, sprintf( __( '[%s] New Admin Email Address' ), wp_specialchars_decode( get_option( 'blogname' ) ) ), $content );
294 add_action( 'update_option_new_admin_email', 'update_option_new_admin_email', 10, 2 );
295 add_action( 'add_option_new_admin_email', 'update_option_new_admin_email', 10, 2 );
298 * Sends an email when an email address change is requested.
302 * @global object $errors WP_Error object.
303 * @global object $wpdb WordPress database object.
305 function send_confirmation_on_profile_email() {
306 global $errors, $wpdb;
307 $current_user = wp_get_current_user();
308 if ( ! is_object($errors) )
309 $errors = new WP_Error();
311 if ( $current_user->ID != $_POST['user_id'] )
314 if ( $current_user->user_email != $_POST['email'] ) {
315 if ( !is_email( $_POST['email'] ) ) {
316 $errors->add( 'user_email', __( "<strong>ERROR</strong>: The email address isn’t correct." ), array( 'form-field' => 'email' ) );
320 if ( $wpdb->get_var( $wpdb->prepare( "SELECT user_email FROM {$wpdb->users} WHERE user_email=%s", $_POST['email'] ) ) ) {
321 $errors->add( 'user_email', __( "<strong>ERROR</strong>: The email address is already used." ), array( 'form-field' => 'email' ) );
322 delete_option( $current_user->ID . '_new_email' );
326 $hash = md5( $_POST['email'] . time() . mt_rand() );
327 $new_user_email = array(
329 'newemail' => $_POST['email']
331 update_option( $current_user->ID . '_new_email', $new_user_email );
333 $email_text = __( 'Dear user,
335 You recently requested to have the email address on your account changed.
336 If this is correct, please click on the following link to change it:
339 You can safely ignore and delete this email if you do not want to
342 This email has been sent to ###EMAIL###
345 All at ###SITENAME###
349 * Filter the email text sent when a user changes emails.
351 * The following strings have a special meaning and will get replaced dynamically:
352 * ###ADMIN_URL### The link to click on to confirm the email change. Required otherwise this functunalty is will break.
353 * ###EMAIL### The new email.
354 * ###SITENAME### The name of the site.
355 * ###SITEURL### The URL to the site.
359 * @param string $email_text Text in the email.
360 * @param string $new_user_email New user email that the current user has changed to.
362 $content = apply_filters( 'new_user_email_content', $email_text, $new_user_email );
364 $content = str_replace( '###ADMIN_URL###', esc_url( admin_url( 'profile.php?newuseremail='.$hash ) ), $content );
365 $content = str_replace( '###EMAIL###', $_POST['email'], $content);
366 $content = str_replace( '###SITENAME###', get_site_option( 'site_name' ), $content );
367 $content = str_replace( '###SITEURL###', network_home_url(), $content );
369 wp_mail( $_POST['email'], sprintf( __( '[%s] New Email Address' ), wp_specialchars_decode( get_option( 'blogname' ) ) ), $content );
370 $_POST['email'] = $current_user->user_email;
373 add_action( 'personal_options_update', 'send_confirmation_on_profile_email' );
376 * Adds an admin notice alerting the user to check for confirmation email
377 * after email address change.
381 function new_user_email_admin_notice() {
382 if ( strpos( $_SERVER['PHP_SELF'], 'profile.php' ) && isset( $_GET['updated'] ) && $email = get_option( get_current_user_id() . '_new_email' ) )
383 echo "<div class='update-nag'>" . sprintf( __( "Your email address has not been updated yet. Please check your inbox at %s for a confirmation email." ), $email['newemail'] ) . "</div>";
385 add_action( 'admin_notices', 'new_user_email_admin_notice' );
388 * Check whether a blog has used its allotted upload space.
392 * @param bool $echo Optional. If $echo is set and the quota is exceeded, a warning message is echoed. Default is true.
393 * @return bool True if user is over upload space quota, otherwise false.
395 function upload_is_user_over_quota( $echo = true ) {
396 if ( get_site_option( 'upload_space_check_disabled' ) )
399 $space_allowed = get_space_allowed();
400 if ( empty( $space_allowed ) || !is_numeric( $space_allowed ) )
401 $space_allowed = 10; // Default space allowed is 10 MB
403 $space_used = get_space_used();
405 if ( ( $space_allowed - $space_used ) < 0 ) {
407 _e( 'Sorry, you have used your space allocation. Please delete some files to upload more files.' );
415 * Displays the amount of disk space used by the current blog. Not used in core.
419 function display_space_usage() {
420 $space_allowed = get_space_allowed();
421 $space_used = get_space_used();
423 $percent_used = ( $space_used / $space_allowed ) * 100;
425 if ( $space_allowed > 1000 ) {
426 $space = number_format( $space_allowed / 1024 );
427 /* translators: Gigabytes */
428 $space .= __( 'GB' );
430 $space = number_format( $space_allowed );
431 /* translators: Megabytes */
432 $space .= __( 'MB' );
435 <strong><?php printf( __( 'Used: %1$s%% of %2$s' ), number_format( $percent_used ), $space ); ?></strong>
440 * Get the remaining upload space for this blog.
444 * @param int $size Current max size in bytes
445 * @return int Max size in bytes
447 function fix_import_form_size( $size ) {
448 if ( upload_is_user_over_quota( false ) == true )
451 $available = get_upload_space_available();
452 return min( $size, $available );
456 * Displays the edit blog upload space setting form on the Edit Blog screen.
460 * @param int $id The ID of the blog to display the setting for.
462 function upload_space_setting( $id ) {
463 switch_to_blog( $id );
464 $quota = get_option( 'blog_upload_space' );
465 restore_current_blog();
472 <th><?php _e( 'Site Upload Space Quota '); ?></th>
473 <td><input type="number" step="1" min="0" style="width: 100px" name="option[blog_upload_space]" value="<?php echo $quota; ?>" /> <?php _e( 'MB (Leave blank for network default)' ); ?></td>
477 add_action( 'wpmueditblogaction', 'upload_space_setting' );
480 * Update the status of a user in the database.
482 * Used in core to mark a user as spam or "ham" (not spam) in Multisite.
486 * @param int $id The user ID.
487 * @param string $pref The column in the wp_users table to update the user's status
488 * in (presumably user_status, spam, or deleted).
489 * @param int $value The new status for the user.
490 * @param null $deprecated Deprecated as of 3.0.2 and should not be used.
491 * @return int The initially passed $value.
493 function update_user_status( $id, $pref, $value, $deprecated = null ) {
496 if ( null !== $deprecated )
497 _deprecated_argument( __FUNCTION__, '3.1' );
499 $wpdb->update( $wpdb->users, array( sanitize_key( $pref ) => $value ), array( 'ID' => $id ) );
501 $user = new WP_User( $id );
502 clean_user_cache( $user );
504 if ( $pref == 'spam' ) {
507 * Fires after the user is marked as a SPAM user.
511 * @param int $id ID of the user marked as SPAM.
513 do_action( 'make_spam_user', $id );
516 * Fires after the user is marked as a HAM user. Opposite of SPAM.
520 * @param int $id ID of the user marked as HAM.
522 do_action( 'make_ham_user', $id );
530 * Cleans the user cache for a specific user.
534 * @param int $id The user ID.
535 * @return bool|int The ID of the refreshed user or false if the user does not exist.
537 function refresh_user_details( $id ) {
540 if ( !$user = get_userdata( $id ) )
543 clean_user_cache( $user );
549 * Returns the language for a language code.
553 * @param string $code Optional. The two-letter language code. Default empty.
554 * @return string The language corresponding to $code if it exists. If it does not exist,
555 * then the first two letters of $code is returned.
557 function format_code_lang( $code = '' ) {
558 $code = strtolower( substr( $code, 0, 2 ) );
560 'aa' => 'Afar', 'ab' => 'Abkhazian', 'af' => 'Afrikaans', 'ak' => 'Akan', 'sq' => 'Albanian', 'am' => 'Amharic', 'ar' => 'Arabic', 'an' => 'Aragonese', 'hy' => 'Armenian', 'as' => 'Assamese', 'av' => 'Avaric', 'ae' => 'Avestan', 'ay' => 'Aymara', 'az' => 'Azerbaijani', 'ba' => 'Bashkir', 'bm' => 'Bambara', 'eu' => 'Basque', 'be' => 'Belarusian', 'bn' => 'Bengali',
561 'bh' => 'Bihari', 'bi' => 'Bislama', 'bs' => 'Bosnian', 'br' => 'Breton', 'bg' => 'Bulgarian', 'my' => 'Burmese', 'ca' => 'Catalan; Valencian', 'ch' => 'Chamorro', 'ce' => 'Chechen', 'zh' => 'Chinese', 'cu' => 'Church Slavic; Old Slavonic; Church Slavonic; Old Bulgarian; Old Church Slavonic', 'cv' => 'Chuvash', 'kw' => 'Cornish', 'co' => 'Corsican', 'cr' => 'Cree',
562 'cs' => 'Czech', 'da' => 'Danish', 'dv' => 'Divehi; Dhivehi; Maldivian', 'nl' => 'Dutch; Flemish', 'dz' => 'Dzongkha', 'en' => 'English', 'eo' => 'Esperanto', 'et' => 'Estonian', 'ee' => 'Ewe', 'fo' => 'Faroese', 'fj' => 'Fijjian', 'fi' => 'Finnish', 'fr' => 'French', 'fy' => 'Western Frisian', 'ff' => 'Fulah', 'ka' => 'Georgian', 'de' => 'German', 'gd' => 'Gaelic; Scottish Gaelic',
563 'ga' => 'Irish', 'gl' => 'Galician', 'gv' => 'Manx', 'el' => 'Greek, Modern', 'gn' => 'Guarani', 'gu' => 'Gujarati', 'ht' => 'Haitian; Haitian Creole', 'ha' => 'Hausa', 'he' => 'Hebrew', 'hz' => 'Herero', 'hi' => 'Hindi', 'ho' => 'Hiri Motu', 'hu' => 'Hungarian', 'ig' => 'Igbo', 'is' => 'Icelandic', 'io' => 'Ido', 'ii' => 'Sichuan Yi', 'iu' => 'Inuktitut', 'ie' => 'Interlingue',
564 'ia' => 'Interlingua (International Auxiliary Language Association)', 'id' => 'Indonesian', 'ik' => 'Inupiaq', 'it' => 'Italian', 'jv' => 'Javanese', 'ja' => 'Japanese', 'kl' => 'Kalaallisut; Greenlandic', 'kn' => 'Kannada', 'ks' => 'Kashmiri', 'kr' => 'Kanuri', 'kk' => 'Kazakh', 'km' => 'Central Khmer', 'ki' => 'Kikuyu; Gikuyu', 'rw' => 'Kinyarwanda', 'ky' => 'Kirghiz; Kyrgyz',
565 'kv' => 'Komi', 'kg' => 'Kongo', 'ko' => 'Korean', 'kj' => 'Kuanyama; Kwanyama', 'ku' => 'Kurdish', 'lo' => 'Lao', 'la' => 'Latin', 'lv' => 'Latvian', 'li' => 'Limburgan; Limburger; Limburgish', 'ln' => 'Lingala', 'lt' => 'Lithuanian', 'lb' => 'Luxembourgish; Letzeburgesch', 'lu' => 'Luba-Katanga', 'lg' => 'Ganda', 'mk' => 'Macedonian', 'mh' => 'Marshallese', 'ml' => 'Malayalam',
566 'mi' => 'Maori', 'mr' => 'Marathi', 'ms' => 'Malay', 'mg' => 'Malagasy', 'mt' => 'Maltese', 'mo' => 'Moldavian', 'mn' => 'Mongolian', 'na' => 'Nauru', 'nv' => 'Navajo; Navaho', 'nr' => 'Ndebele, South; South Ndebele', 'nd' => 'Ndebele, North; North Ndebele', 'ng' => 'Ndonga', 'ne' => 'Nepali', 'nn' => 'Norwegian Nynorsk; Nynorsk, Norwegian', 'nb' => 'Bokmål, Norwegian, Norwegian Bokmål',
567 'no' => 'Norwegian', 'ny' => 'Chichewa; Chewa; Nyanja', 'oc' => 'Occitan, Provençal', 'oj' => 'Ojibwa', 'or' => 'Oriya', 'om' => 'Oromo', 'os' => 'Ossetian; Ossetic', 'pa' => 'Panjabi; Punjabi', 'fa' => 'Persian', 'pi' => 'Pali', 'pl' => 'Polish', 'pt' => 'Portuguese', 'ps' => 'Pushto', 'qu' => 'Quechua', 'rm' => 'Romansh', 'ro' => 'Romanian', 'rn' => 'Rundi', 'ru' => 'Russian',
568 'sg' => 'Sango', 'sa' => 'Sanskrit', 'sr' => 'Serbian', 'hr' => 'Croatian', 'si' => 'Sinhala; Sinhalese', 'sk' => 'Slovak', 'sl' => 'Slovenian', 'se' => 'Northern Sami', 'sm' => 'Samoan', 'sn' => 'Shona', 'sd' => 'Sindhi', 'so' => 'Somali', 'st' => 'Sotho, Southern', 'es' => 'Spanish; Castilian', 'sc' => 'Sardinian', 'ss' => 'Swati', 'su' => 'Sundanese', 'sw' => 'Swahili',
569 'sv' => 'Swedish', 'ty' => 'Tahitian', 'ta' => 'Tamil', 'tt' => 'Tatar', 'te' => 'Telugu', 'tg' => 'Tajik', 'tl' => 'Tagalog', 'th' => 'Thai', 'bo' => 'Tibetan', 'ti' => 'Tigrinya', 'to' => 'Tonga (Tonga Islands)', 'tn' => 'Tswana', 'ts' => 'Tsonga', 'tk' => 'Turkmen', 'tr' => 'Turkish', 'tw' => 'Twi', 'ug' => 'Uighur; Uyghur', 'uk' => 'Ukrainian', 'ur' => 'Urdu', 'uz' => 'Uzbek',
570 've' => 'Venda', 'vi' => 'Vietnamese', 'vo' => 'Volapük', 'cy' => 'Welsh','wa' => 'Walloon','wo' => 'Wolof', 'xh' => 'Xhosa', 'yi' => 'Yiddish', 'yo' => 'Yoruba', 'za' => 'Zhuang; Chuang', 'zu' => 'Zulu' );
573 * Filter the language codes.
577 * @param array $lang_codes Key/value pair of language codes where key is the short version.
578 * @param string $code A two-letter designation of the language.
580 $lang_codes = apply_filters( 'lang_codes', $lang_codes, $code );
581 return strtr( $code, $lang_codes );
585 * Synchronize category and post tag slugs when global terms are enabled.
589 * @param $term The term.
590 * @param $taxonomy The taxonomy for $term. Should be 'category' or 'post_tag', as these are
591 * the only taxonomies which are processed by this function; anything else
592 * will be returned untouched.
593 * @return object|array Returns `$term`, after filtering the 'slug' field with {@see sanitize_title()}
594 * if $taxonomy is 'category' or 'post_tag'.
596 function sync_category_tag_slugs( $term, $taxonomy ) {
597 if ( global_terms_enabled() && ( $taxonomy == 'category' || $taxonomy == 'post_tag' ) ) {
598 if ( is_object( $term ) ) {
599 $term->slug = sanitize_title( $term->name );
601 $term['slug'] = sanitize_title( $term['name'] );
606 add_filter( 'get_term', 'sync_category_tag_slugs', 10, 2 );
609 * Displays an access denied message when a user tries to view a site's dashboard they
610 * do not have access to.
615 function _access_denied_splash() {
616 if ( ! is_user_logged_in() || is_network_admin() )
619 $blogs = get_blogs_of_user( get_current_user_id() );
621 if ( wp_list_filter( $blogs, array( 'userblog_id' => get_current_blog_id() ) ) )
624 $blog_name = get_bloginfo( 'name' );
626 if ( empty( $blogs ) )
627 wp_die( sprintf( __( 'You attempted to access the "%1$s" dashboard, but you do not currently have privileges on this site. If you believe you should be able to access the "%1$s" dashboard, please contact your network administrator.' ), $blog_name ) );
629 $output = '<p>' . sprintf( __( 'You attempted to access the "%1$s" dashboard, but you do not currently have privileges on this site. If you believe you should be able to access the "%1$s" dashboard, please contact your network administrator.' ), $blog_name ) . '</p>';
630 $output .= '<p>' . __( 'If you reached this screen by accident and meant to visit one of your own sites, here are some shortcuts to help you find your way.' ) . '</p>';
632 $output .= '<h3>' . __('Your Sites') . '</h3>';
633 $output .= '<table>';
635 foreach ( $blogs as $blog ) {
637 $output .= "<td>{$blog->blogname}</td>";
638 $output .= '<td><a href="' . esc_url( get_admin_url( $blog->userblog_id ) ) . '">' . __( 'Visit Dashboard' ) . '</a> | ' .
639 '<a href="' . esc_url( get_home_url( $blog->userblog_id ) ). '">' . __( 'View Site' ) . '</a></td>';
643 $output .= '</table>';
647 add_action( 'admin_page_access_denied', '_access_denied_splash', 99 );
650 * Checks if the current user has permissions to import new users.
654 * @param string $permission A permission to be checked. Currently not used.
655 * @return bool True if the user has proper permissions, false if they do not.
657 function check_import_new_users( $permission ) {
658 if ( !is_super_admin() )
662 add_filter( 'import_allow_create_users', 'check_import_new_users' );
663 // See "import_allow_fetch_attachments" and "import_attachment_size_limit" filters too.
666 * Generates and displays a drop-down of available languages.
670 * @param array $lang_files Optional. An array of the language files. Default empty array.
671 * @param string $current Optional. The current language code. Default empty.
673 function mu_dropdown_languages( $lang_files = array(), $current = '' ) {
677 foreach ( (array) $lang_files as $val ) {
678 $code_lang = basename( $val, '.mo' );
680 if ( $code_lang == 'en_US' ) { // American English
682 $ae = __( 'American English' );
683 $output[$ae] = '<option value="' . esc_attr( $code_lang ) . '"' . selected( $current, $code_lang, false ) . '> ' . $ae . '</option>';
684 } elseif ( $code_lang == 'en_GB' ) { // British English
686 $be = __( 'British English' );
687 $output[$be] = '<option value="' . esc_attr( $code_lang ) . '"' . selected( $current, $code_lang, false ) . '> ' . $be . '</option>';
689 $translated = format_code_lang( $code_lang );
690 $output[$translated] = '<option value="' . esc_attr( $code_lang ) . '"' . selected( $current, $code_lang, false ) . '> ' . esc_html ( $translated ) . '</option>';
695 if ( $flag === false ) // WordPress english
696 $output[] = '<option value=""' . selected( $current, '', false ) . '>' . __( 'English' ) . "</option>";
699 uksort( $output, 'strnatcasecmp' );
702 * Filter the languages available in the dropdown.
706 * @param array $output HTML output of the dropdown.
707 * @param array $lang_files Available language files.
708 * @param string $current The current language code.
710 $output = apply_filters( 'mu_dropdown_languages', $output, $lang_files, $current );
712 echo implode( "\n\t", $output );
716 * Displays an admin notice to upgrade all sites after a core upgrade.
720 * @global int $wp_db_version The version number of the database.
722 function site_admin_notice() {
723 global $wp_db_version;
724 if ( !is_super_admin() )
726 if ( get_site_option( 'wpmu_upgrade_site' ) != $wp_db_version )
727 echo "<div class='update-nag'>" . sprintf( __( 'Thank you for Updating! Please visit the <a href="%s">Upgrade Network</a> page to update all your sites.' ), esc_url( network_admin_url( 'upgrade.php' ) ) ) . "</div>";
729 add_action( 'admin_notices', 'site_admin_notice' );
730 add_action( 'network_admin_notices', 'site_admin_notice' );
733 * Avoids a collision between a site slug and a permalink slug.
735 * In a subdirectory install this will make sure that a site and a post do not use the
736 * same subdirectory by checking for a site with the same name as a new post.
740 * @param array $data An array of post data.
741 * @param array $postarr An array of posts. Not currently used.
742 * @return array The new array of post data after checking for collisions.
744 function avoid_blog_page_permalink_collision( $data, $postarr ) {
745 if ( is_subdomain_install() )
747 if ( $data['post_type'] != 'page' )
749 if ( !isset( $data['post_name'] ) || $data['post_name'] == '' )
751 if ( !is_main_site() )
754 $post_name = $data['post_name'];
756 while( $c < 10 && get_id_from_blogname( $post_name ) ) {
757 $post_name .= mt_rand( 1, 10 );
760 if ( $post_name != $data['post_name'] ) {
761 $data['post_name'] = $post_name;
765 add_filter( 'wp_insert_post_data', 'avoid_blog_page_permalink_collision', 10, 2 );
768 * Handles the display of choosing a user's primary site.
770 * This displays the user's primary site and allows the user to choose
771 * which site is primary.
775 function choose_primary_blog() {
777 <table class="form-table">
779 <?php /* translators: My sites label */ ?>
780 <th scope="row"><?php _e( 'Primary Site' ); ?></th>
783 $all_blogs = get_blogs_of_user( get_current_user_id() );
784 $primary_blog = get_user_meta( get_current_user_id(), 'primary_blog', true );
785 if ( count( $all_blogs ) > 1 ) {
788 <select name="primary_blog">
789 <?php foreach( (array) $all_blogs as $blog ) {
790 if ( $primary_blog == $blog->userblog_id )
792 ?><option value="<?php echo $blog->userblog_id ?>"<?php selected( $primary_blog, $blog->userblog_id ); ?>><?php echo esc_url( get_home_url( $blog->userblog_id ) ) ?></option><?php
797 $blog = array_shift( $all_blogs );
798 update_user_meta( get_current_user_id(), 'primary_blog', $blog->userblog_id );
800 } elseif ( count( $all_blogs ) == 1 ) {
801 $blog = array_shift( $all_blogs );
803 if ( $primary_blog != $blog->userblog_id ) // Set the primary blog again if it's out of sync with blog list.
804 update_user_meta( get_current_user_id(), 'primary_blog', $blog->userblog_id );
811 <?php if ( in_array( get_site_option( 'registration' ), array( 'all', 'blog' ) ) ) : ?>
813 <th scope="row" colspan="2" class="th-full">
815 /** This filter is documented in wp-login.php */
816 $sign_up_url = apply_filters( 'wp_signup_location', network_site_url( 'wp-signup.php' ) );
818 <a href="<?php echo esc_url( $sign_up_url ); ?>"><?php _e( 'Create a New Site' ); ?></a>
827 * Grants Super Admin privileges.
831 * @param int $user_id ID of the user to be granted Super Admin privileges.
832 * @return bool True on success, false on failure. This can fail when the user is
833 * already a super admin or when the `$super_admins` global is defined.
835 function grant_super_admin( $user_id ) {
836 // If global super_admins override is defined, there is nothing to do here.
837 if ( isset( $GLOBALS['super_admins'] ) ) {
842 * Fires before the user is granted Super Admin privileges.
846 * @param int $user_id ID of the user that is about to be granted Super Admin privileges.
848 do_action( 'grant_super_admin', $user_id );
850 // Directly fetch site_admins instead of using get_super_admins()
851 $super_admins = get_site_option( 'site_admins', array( 'admin' ) );
853 $user = get_userdata( $user_id );
854 if ( $user && ! in_array( $user->user_login, $super_admins ) ) {
855 $super_admins[] = $user->user_login;
856 update_site_option( 'site_admins' , $super_admins );
859 * Fires after the user is granted Super Admin privileges.
863 * @param int $user_id ID of the user that was granted Super Admin privileges.
865 do_action( 'granted_super_admin', $user_id );
872 * Revokes Super Admin privileges.
876 * @param int $user_id ID of the user Super Admin privileges to be revoked from.
877 * @return bool True on success, false on failure. This can fail when the user's email
878 * is the network admin email or when the `$super_admins` global is defined.
880 function revoke_super_admin( $user_id ) {
881 // If global super_admins override is defined, there is nothing to do here.
882 if ( isset( $GLOBALS['super_admins'] ) ) {
887 * Fires before the user's Super Admin privileges are revoked.
891 * @param int $user_id ID of the user Super Admin privileges are being revoked from.
893 do_action( 'revoke_super_admin', $user_id );
895 // Directly fetch site_admins instead of using get_super_admins()
896 $super_admins = get_site_option( 'site_admins', array( 'admin' ) );
898 $user = get_userdata( $user_id );
899 if ( $user && 0 !== strcasecmp( $user->user_email, get_site_option( 'admin_email' ) ) ) {
900 if ( false !== ( $key = array_search( $user->user_login, $super_admins ) ) ) {
901 unset( $super_admins[$key] );
902 update_site_option( 'site_admins', $super_admins );
905 * Fires after the user's Super Admin privileges are revoked.
909 * @param int $user_id ID of the user Super Admin privileges were revoked from.
911 do_action( 'revoked_super_admin', $user_id );
919 * Whether or not we can edit this network from this page.
921 * By default editing of network is restricted to the Network Admin for that `$site_id`
922 * this allows for this to be overridden.
926 * @param int $site_id The network/site ID to check.
927 * @return bool True if network can be edited, otherwise false.
929 function can_edit_network( $site_id ) {
932 if ( $site_id == $wpdb->siteid )
938 * Filter whether this network can be edited from this page.
942 * @param bool $result Whether the network can be edited from this page.
943 * @param int $site_id The network/site ID to check.
945 return apply_filters( 'can_edit_network', $result, $site_id );
949 * Thickbox image paths for Network Admin.
955 function _thickbox_path_admin_subfolder() {
957 <script type="text/javascript">
959 var tb_pathToImage = "<?php echo includes_url( 'js/thickbox/loadingAnimation.gif', 'relative' ); ?>";