3 * Multi-site WordPress API
6 * @subpackage Multisite
10 function get_sitestats() {
13 $stats['blogs'] = get_blog_count();
15 $count_ts = get_site_option( 'user_count_ts' );
16 if ( time() - $count_ts > 3600 ) {
17 $count = $wpdb->get_var( "SELECT COUNT(ID) FROM $wpdb->users" );
18 update_site_option( 'user_count', $count );
19 update_site_option( 'user_count_ts', time() );
21 $count = get_site_option( 'user_count' );
23 $stats['users'] = $count;
27 function get_admin_users_for_domain( $sitedomain = '', $path = '' ) {
31 $site_id = $wpdb->siteid;
33 $site_id = $wpdb->get_var( $wpdb->prepare( "SELECT id FROM $wpdb->site WHERE domain = %s AND path = %s", $sitedomain, $path ) );
36 return $wpdb->get_results( $wpdb->prepare( "SELECT u.ID, u.user_login, u.user_pass FROM $wpdb->users AS u, $wpdb->sitemeta AS sm WHERE sm.meta_key = 'admin_user_id' AND u.ID = sm.meta_value AND sm.site_id = %d", $site_id ), ARRAY_A );
41 function get_blogs_of_user( $id, $all = false ) {
44 $cache_suffix = $all ? '_all' : '_short';
45 $return = wp_cache_get( 'blogs_of_user_' . $id . $cache_suffix, 'users' );
47 return apply_filters( 'get_blogs_of_user', $return, $id, $all );
49 $user = get_userdata( (int) $id );
53 $blogs = $match = array();
54 $prefix_length = strlen($wpdb->base_prefix);
55 foreach ( (array) $user as $key => $value ) {
56 if ( $prefix_length && substr($key, 0, $prefix_length) != $wpdb->base_prefix )
58 if ( substr($key, -12, 12) != 'capabilities' )
60 if ( preg_match( '/^' . $wpdb->base_prefix . '((\d+)_)?capabilities$/', $key, $match ) ) {
61 if ( count( $match ) > 2 )
62 $blog_id = $match[ 2 ];
65 $blog = get_blog_details( $blog_id );
66 if ( $blog && isset( $blog->domain ) && ( $all == true || $all == false && ( $blog->archived == 0 && $blog->spam == 0 && $blog->deleted == 0 ) ) ) {
67 $blogs[ $blog_id ]->userblog_id = $blog_id;
68 $blogs[ $blog_id ]->blogname = $blog->blogname;
69 $blogs[ $blog_id ]->domain = $blog->domain;
70 $blogs[ $blog_id ]->path = $blog->path;
71 $blogs[ $blog_id ]->site_id = $blog->site_id;
72 $blogs[ $blog_id ]->siteurl = $blog->siteurl;
77 wp_cache_add( 'blogs_of_user_' . $id . $cache_suffix, $blogs, 'users', 5 );
78 return apply_filters( 'get_blogs_of_user', $blogs, $id, $all );
81 function get_active_blog_for_user( $user_id ) { // get an active blog for user - either primary blog or from blogs list
83 $blogs = get_blogs_of_user( $user_id );
84 if ( empty( $blogs ) ) {
85 $details = get_dashboard_blog();
86 add_user_to_blog( $details->blog_id, $user_id, 'subscriber' );
87 update_user_meta( $user_id, 'primary_blog', $details->blog_id );
88 wp_cache_delete( $user_id, 'users' );
92 $primary_blog = get_user_meta( $user_id, 'primary_blog', true );
93 $details = get_dashboard_blog();
94 if ( $primary_blog ) {
95 $blogs = get_blogs_of_user( $user_id );
96 if ( isset( $blogs[ $primary_blog ] ) == false ) {
97 add_user_to_blog( $details->blog_id, $user_id, 'subscriber' );
98 update_user_meta( $user_id, 'primary_blog', $details->blog_id );
99 wp_cache_delete( $user_id, 'users' );
101 $details = get_blog_details( $primary_blog );
104 add_user_to_blog( $details->blog_id, $user_id, 'subscriber' ); // Add subscriber permission for dashboard blog
105 update_user_meta( $user_id, 'primary_blog', $details->blog_id );
108 if ( ( is_object( $details ) == false ) || ( is_object( $details ) && $details->archived == 1 || $details->spam == 1 || $details->deleted == 1 ) ) {
109 $blogs = get_blogs_of_user( $user_id, true ); // if a user's primary blog is shut down, check their other blogs.
111 if ( is_array( $blogs ) && count( $blogs ) > 0 ) {
112 foreach ( (array) $blogs as $blog_id => $blog ) {
113 if ( $blog->site_id != $wpdb->siteid )
115 $details = get_blog_details( $blog_id );
116 if ( is_object( $details ) && $details->archived == 0 && $details->spam == 0 && $details->deleted == 0 ) {
119 if ( get_user_meta( $user_id , 'primary_blog', true ) != $blog_id ) {
120 update_user_meta( $user_id, 'primary_blog', $blog_id );
123 if ( !get_user_meta($user_id , 'source_domain', true) ) {
124 update_user_meta( $user_id, 'source_domain', $blog->domain );
128 wp_cache_delete( $user_id, 'users' );
133 // Should never get here
134 $dashboard_blog = get_dashboard_blog();
135 add_user_to_blog( $dashboard_blog->blog_id, $user_id, 'subscriber' ); // Add subscriber permission for dashboard blog
136 update_user_meta( $user_id, 'primary_blog', $dashboard_blog->blog_id );
137 return $dashboard_blog;
145 function is_user_member_of_blog( $user_id, $blog_id = 0 ) {
146 $user_id = (int) $user_id;
147 $blog_id = (int) $blog_id;
149 if ( $blog_id == 0 ) {
151 $blog_id = $wpdb->blogid;
154 $blogs = get_blogs_of_user( $user_id );
155 if ( is_array( $blogs ) )
156 return array_key_exists( $blog_id, $blogs );
161 function get_user_count() {
164 $count_ts = get_site_option( 'user_count_ts' );
165 if ( time() - $count_ts > 3600 ) {
166 $count = $wpdb->get_var( $wpdb->prepare("SELECT COUNT(ID) as c FROM $wpdb->users WHERE spam = '0' AND deleted = '0'") );
167 update_site_option( 'user_count', $count );
168 update_site_option( 'user_count_ts', time() );
171 $count = get_site_option( 'user_count' );
176 function get_blog_count( $id = 0 ) {
182 $count_ts = get_site_option( 'blog_count_ts' );
183 if ( time() - $count_ts > 3600 ) {
184 $count = $wpdb->get_var( $wpdb->prepare("SELECT COUNT(blog_id) as c FROM $wpdb->blogs WHERE site_id = %d AND spam = '0' AND deleted = '0' and archived = '0'", $id) );
185 update_site_option( 'blog_count', $count );
186 update_site_option( 'blog_count_ts', time() );
189 $count = get_site_option( 'blog_count' );
194 function get_blog_post( $blog_id, $post_id ) {
197 $key = $blog_id . '-' . $post_id;
198 $post = wp_cache_get( $key, 'global-posts' );
199 if ( $post == false ) {
200 $post = $wpdb->get_row( $wpdb->prepare( 'SELECT * FROM ' . $wpdb->get_blog_prefix( $blog_id ) . 'posts WHERE ID = %d', $post_id ) );
201 wp_cache_add( $key, $post, 'global-posts' );
207 function add_user_to_blog( $blog_id, $user_id, $role ) {
208 switch_to_blog($blog_id);
210 $user = new WP_User($user_id);
212 if ( empty( $user->ID ) )
213 return new WP_Error('user_does_not_exist', __('That user does not exist.'));
215 if ( !get_user_meta($user_id, 'primary_blog', true) ) {
216 update_user_meta($user_id, 'primary_blog', $blog_id);
217 $details = get_blog_details($blog_id);
218 update_user_meta($user_id, 'source_domain', $details->domain);
221 $user->set_role($role);
223 do_action('add_user_to_blog', $user_id, $role, $blog_id);
224 wp_cache_delete( $user_id, 'users' );
225 restore_current_blog();
229 function remove_user_from_blog($user_id, $blog_id = '', $reassign = '') {
231 switch_to_blog($blog_id);
232 $user_id = (int) $user_id;
233 do_action('remove_user_from_blog', $user_id, $blog_id);
235 // If being removed from the primary blog, set a new primary if the user is assigned
236 // to multiple blogs.
237 $primary_blog = get_user_meta($user_id, 'primary_blog', true);
238 if ( $primary_blog == $blog_id ) {
241 $blogs = get_blogs_of_user($user_id);
242 foreach ( (array) $blogs as $blog ) {
243 if ( $blog->userblog_id == $blog_id )
245 $new_id = $blog->userblog_id;
246 $new_domain = $blog->domain;
250 update_user_meta($user_id, 'primary_blog', $new_id);
251 update_user_meta($user_id, 'source_domain', $new_domain);
254 // wp_revoke_user($user_id);
255 $user = new WP_User($user_id);
256 if ( empty( $user->ID ) )
257 return new WP_Error('user_does_not_exist', __('That user does not exist.'));
259 $user->remove_all_caps();
261 $blogs = get_blogs_of_user($user_id);
262 if ( count($blogs) == 0 ) {
263 update_user_meta($user_id, 'primary_blog', '');
264 update_user_meta($user_id, 'source_domain', '');
267 if ( $reassign != '' ) {
268 $reassign = (int) $reassign;
269 $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET post_author = %d WHERE post_author = %d", $reassign, $user_id) );
270 $wpdb->query( $wpdb->prepare("UPDATE $wpdb->links SET link_owner = %d WHERE link_owner = %d", $reassign, $user_id) );
273 restore_current_blog();
276 function create_empty_blog( $domain, $path, $weblog_title, $site_id = 1 ) {
277 $domain = addslashes( $domain );
278 $weblog_title = addslashes( $weblog_title );
283 // Check if the domain has been used already. We should return an error message.
284 if ( domain_exists($domain, $path, $site_id) )
285 return __( 'Error: Site URL already taken.' );
287 // Need to backup wpdb table names, and create a new wp_blogs entry for new blog.
288 // Need to get blog_id from wp_blogs, and create new table names.
289 // Must restore table names at the end of function.
291 if ( ! $blog_id = insert_blog($domain, $path, $site_id) )
292 return __( 'Error: problem creating site entry.' );
294 switch_to_blog($blog_id);
295 install_blog($blog_id);
296 restore_current_blog();
301 function get_blog_permalink( $_blog_id, $post_id ) {
302 $key = "{$_blog_id}-{$post_id}-blog_permalink";
303 $link = wp_cache_get( $key, 'site-options' );
304 if ( $link == false ) {
305 switch_to_blog( $_blog_id );
306 $link = get_permalink( $post_id );
307 restore_current_blog();
308 wp_cache_add( $key, $link, 'site-options', 360 );
313 function get_blog_id_from_url( $domain, $path = '/' ) {
316 $domain = strtolower( $wpdb->escape( $domain ) );
317 $path = strtolower( $wpdb->escape( $path ) );
318 $id = wp_cache_get( md5( $domain . $path ), 'blog-id-cache' );
320 if ( $id == -1 ) { // blog does not exist
326 $id = $wpdb->get_var( "SELECT blog_id FROM $wpdb->blogs WHERE domain = '$domain' and path = '$path' /* get_blog_id_from_url */" );
329 wp_cache_set( md5( $domain . $path ), -1, 'blog-id-cache' );
332 wp_cache_set( md5( $domain . $path ), $id, 'blog-id-cache' );
337 // wpmu admin functions
339 function wpmu_admin_do_redirect( $url = '' ) {
341 if ( isset( $_GET['ref'] ) )
343 if ( isset( $_POST['ref'] ) )
344 $ref = $_POST['ref'];
347 $ref = wpmu_admin_redirect_add_updated_param( $ref );
351 if ( empty( $_SERVER['HTTP_REFERER'] ) == false ) {
352 wp_redirect( $_SERVER['HTTP_REFERER'] );
356 $url = wpmu_admin_redirect_add_updated_param( $url );
357 if ( isset( $_GET['redirect'] ) ) {
358 if ( substr( $_GET['redirect'], 0, 2 ) == 's_' )
359 $url .= '&action=blogs&s='. esc_html( substr( $_GET['redirect'], 2 ) );
360 } elseif ( isset( $_POST['redirect'] ) ) {
361 $url = wpmu_admin_redirect_add_updated_param( $_POST['redirect'] );
367 function wpmu_admin_redirect_add_updated_param( $url = '' ) {
368 if ( strpos( $url, 'updated=true' ) === false ) {
369 if ( strpos( $url, '?' ) === false )
370 return $url . '?updated=true';
372 return $url . '&updated=true';
377 function is_blog_user( $blog_id = 0 ) {
380 $current_user = wp_get_current_user();
382 $blog_id = $wpdb->blogid;
384 $cap_key = $wpdb->base_prefix . $blog_id . '_capabilities';
386 if ( is_array($current_user->$cap_key) && in_array(1, $current_user->$cap_key) )
392 function is_email_address_unsafe( $user_email ) {
393 $banned_names = get_site_option( 'banned_email_domains' );
394 if ($banned_names && !is_array( $banned_names ))
395 $banned_names = explode( "\n", $banned_names);
397 if ( is_array( $banned_names ) && empty( $banned_names ) == false ) {
398 $email_domain = strtolower( substr( $user_email, 1 + strpos( $user_email, '@' ) ) );
399 foreach ( (array) $banned_names as $banned_domain ) {
400 if ( $banned_domain == '' )
403 strstr( $email_domain, $banned_domain ) ||
405 strstr( $banned_domain, '/' ) &&
406 preg_match( $banned_domain, $email_domain )
415 function wpmu_validate_user_signup($user_name, $user_email) {
418 $errors = new WP_Error();
420 $orig_username = $user_name;
421 $user_name = preg_replace( '/\s+/', '', sanitize_user( $user_name, true ) );
423 preg_match( '/[a-z0-9]+/', $user_name, $maybe );
425 if ( $user_name != $orig_username || $user_name != $maybe[0] ) {
426 $errors->add( 'user_name', __( "Only the lowercase letters a-z and numbers allowed" ) );
427 $user_name = $orig_username;
430 $user_email = sanitize_email( $user_email );
432 if ( empty( $user_name ) )
433 $errors->add('user_name', __('Please enter a username'));
435 $illegal_names = get_site_option( 'illegal_names' );
436 if ( is_array( $illegal_names ) == false ) {
437 $illegal_names = array( 'www', 'web', 'root', 'admin', 'main', 'invite', 'administrator' );
438 add_site_option( 'illegal_names', $illegal_names );
440 if ( in_array( $user_name, $illegal_names ) == true )
441 $errors->add('user_name', __('That username is not allowed'));
443 if ( is_email_address_unsafe( $user_email ) )
444 $errors->add('user_email', __('You cannot use that email address to signup. We are having problems with them blocking some of our email. Please use another email provider.'));
446 if ( strlen( $user_name ) < 4 )
447 $errors->add('user_name', __('Username must be at least 4 characters'));
449 if ( strpos( ' ' . $user_name, '_' ) != false )
450 $errors->add( 'user_name', __( 'Sorry, usernames may not contain the character “_”!' ) );
454 preg_match( '/[0-9]*/', $user_name, $match );
455 if ( $match[0] == $user_name )
456 $errors->add('user_name', __('Sorry, usernames must have letters too!'));
458 if ( !is_email( $user_email ) )
459 $errors->add('user_email', __('Please enter a correct email address'));
461 $limited_email_domains = get_site_option( 'limited_email_domains' );
462 if ( is_array( $limited_email_domains ) && empty( $limited_email_domains ) == false ) {
463 $emaildomain = substr( $user_email, 1 + strpos( $user_email, '@' ) );
464 if ( in_array( $emaildomain, $limited_email_domains ) == false )
465 $errors->add('user_email', __('Sorry, that email address is not allowed!'));
468 // Check if the username has been used already.
469 if ( username_exists($user_name) )
470 $errors->add('user_name', __('Sorry, that username already exists!'));
472 // Check if the email address has been used already.
473 if ( email_exists($user_email) )
474 $errors->add('user_email', __('Sorry, that email address is already used!'));
476 // Has someone already signed up for this username?
477 $signup = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->signups WHERE user_login = %s", $user_name) );
478 if ( $signup != null ) {
479 $registered_at = mysql2date('U', $signup->registered);
480 $now = current_time( 'timestamp', true );
481 $diff = $now - $registered_at;
482 // If registered more than two days ago, cancel registration and let this signup go through.
483 if ( $diff > 172800 )
484 $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->signups WHERE user_login = %s", $user_name) );
486 $errors->add('user_name', __('That username is currently reserved but may be available in a couple of days.'));
488 if ( $signup->active == 0 && $signup->user_email == $user_email )
489 $errors->add('user_email_used', __('username and email used'));
492 $signup = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->signups WHERE user_email = %s", $user_email) );
493 if ( $signup != null ) {
494 $diff = current_time( 'timestamp', true ) - mysql2date('U', $signup->registered);
495 // If registered more than two days ago, cancel registration and let this signup go through.
496 if ( $diff > 172800 )
497 $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->signups WHERE user_email = %s", $user_email) );
499 $errors->add('user_email', __('That email address has already been used. Please check your inbox for an activation email. It will become available in a couple of days if you do nothing.'));
502 $result = array('user_name' => $user_name, 'orig_username' => $orig_username, 'user_email' => $user_email, 'errors' => $errors);
504 return apply_filters('wpmu_validate_user_signup', $result);
507 function wpmu_validate_blog_signup($blogname, $blog_title, $user = '') {
508 global $wpdb, $domain, $base, $current_site;
510 $blog_title = strip_tags( $blog_title );
511 $blog_title = substr( $blog_title, 0, 50 );
513 $errors = new WP_Error();
514 $illegal_names = get_site_option( 'illegal_names' );
515 if ( $illegal_names == false ) {
516 $illegal_names = array( 'www', 'web', 'root', 'admin', 'main', 'invite', 'administrator' );
517 add_site_option( 'illegal_names', $illegal_names );
520 // On sub dir installs, Some names are so illegal, only a filter can spring them from jail
521 if (! is_subdomain_install() )
522 $illegal_names = array_merge($illegal_names, apply_filters( 'subdirectory_reserved_names', array( 'page', 'comments', 'blog', 'files', 'feed' ) ) );
525 if ( empty( $blogname ) )
526 $errors->add('blogname', __('Please enter a site name'));
529 preg_match( '/[a-z0-9]+/', $blogname, $maybe );
530 if ( $blogname != $maybe[0] )
531 $errors->add('blogname', __('Only lowercase letters and numbers allowed'));
533 if ( in_array( $blogname, $illegal_names ) == true )
534 $errors->add('blogname', __('That name is not allowed'));
536 if ( strlen( $blogname ) < 4 && !is_super_admin() )
537 $errors->add('blogname', __('Site name must be at least 4 characters'));
539 if ( strpos( ' ' . $blogname, '_' ) != false )
540 $errors->add( 'blogname', __( 'Sorry, site names may not contain the character “_”!' ) );
542 // do not allow users to create a blog that conflicts with a page on the main blog.
543 if ( !is_subdomain_install() && $wpdb->get_var( $wpdb->prepare( "SELECT post_name FROM " . $wpdb->get_blog_prefix( $current_site->blog_id ) . "posts WHERE post_type = 'page' AND post_name = %s", $blogname ) ) )
544 $errors->add( 'blogname', __( 'Sorry, you may not use that site name.' ) );
548 preg_match( '/[0-9]*/', $blogname, $match );
549 if ( $match[0] == $blogname )
550 $errors->add('blogname', __('Sorry, site names must have letters too!'));
552 $blogname = apply_filters( 'newblogname', $blogname );
554 $blog_title = stripslashes( $blog_title );
556 if ( empty( $blog_title ) )
557 $errors->add('blog_title', __('Please enter a site title'));
559 // Check if the domain/path has been used already.
560 if ( is_subdomain_install() ) {
561 $mydomain = $blogname . '.' . preg_replace( '|^www\.|', '', $domain );
564 $mydomain = "$domain";
565 $path = $base.$blogname.'/';
567 if ( domain_exists($mydomain, $path) )
568 $errors->add('blogname', __('Sorry, that site already exists!'));
570 if ( username_exists( $blogname ) ) {
571 if ( is_object( $user ) == false || ( is_object($user) && ( $user->user_login != $blogname ) ) )
572 $errors->add( 'blogname', __( 'Sorry, that site is reserved!' ) );
575 // Has someone already signed up for this domain?
576 $signup = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->signups WHERE domain = %s AND path = %s", $mydomain, $path) ); // TODO: Check email too?
577 if ( ! empty($signup) ) {
578 $diff = current_time( 'timestamp', true ) - mysql2date('U', $signup->registered);
579 // If registered more than two days ago, cancel registration and let this signup go through.
580 if ( $diff > 172800 )
581 $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->signups WHERE domain = %s AND path = %s", $mydomain, $path) );
583 $errors->add('blogname', __('That site is currently reserved but may be available in a couple days.'));
586 $result = array('domain' => $mydomain, 'path' => $path, 'blogname' => $blogname, 'blog_title' => $blog_title, 'errors' => $errors);
587 return apply_filters('wpmu_validate_blog_signup', $result);
590 // Record signup information for future activation. wpmu_validate_signup() should be run
591 // on the inputs before calling wpmu_signup().
592 function wpmu_signup_blog($domain, $path, $title, $user, $user_email, $meta = '') {
595 $key = substr( md5( time() . rand() . $domain ), 0, 16 );
596 $meta = serialize($meta);
597 $domain = $wpdb->escape($domain);
598 $path = $wpdb->escape($path);
599 $title = $wpdb->escape($title);
601 $wpdb->insert( $wpdb->signups, array(
605 'user_login' => $user,
606 'user_email' => $user_email,
607 'registered' => current_time('mysql', true),
608 'activation_key' => $key,
612 wpmu_signup_blog_notification($domain, $path, $title, $user, $user_email, $key, $meta);
615 function wpmu_signup_user($user, $user_email, $meta = '') {
619 $user = preg_replace( '/\s+/', '', sanitize_user( $user, true ) );
620 $user_email = sanitize_email( $user_email );
621 $key = substr( md5( time() . rand() . $user_email ), 0, 16 );
622 $meta = serialize($meta);
624 $wpdb->insert( $wpdb->signups, array(
628 'user_login' => $user,
629 'user_email' => $user_email,
630 'registered' => current_time('mysql', true),
631 'activation_key' => $key,
635 wpmu_signup_user_notification($user, $user_email, $key, $meta);
638 // Notify user of signup success.
639 function wpmu_signup_blog_notification($domain, $path, $title, $user, $user_email, $key, $meta = '') {
640 global $current_site;
642 if ( !apply_filters('wpmu_signup_blog_notification', $domain, $path, $title, $user, $user_email, $key, $meta) )
645 // Send email with activation link.
646 if ( !is_subdomain_install() || $current_site->id != 1 )
647 $activate_url = network_site_url("wp-activate.php?key=$key");
649 $activate_url = "http://{$domain}{$path}wp-activate.php?key=$key"; // @todo use *_url() API
651 $activate_url = esc_url($activate_url);
652 $admin_email = get_site_option( 'admin_email' );
653 if ( $admin_email == '' )
654 $admin_email = 'support@' . $_SERVER['SERVER_NAME'];
655 $from_name = get_site_option( 'site_name' ) == '' ? 'WordPress' : esc_html( get_site_option( 'site_name' ) );
656 $message_headers = "From: \"{$from_name}\" <{$admin_email}>\n" . "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n";
657 $message = sprintf( apply_filters( 'wpmu_signup_blog_notification_email', __( "To activate your blog, please click the following link:\n\n%s\n\nAfter you activate, you will receive *another email* with your login.\n\nAfter you activate, you can visit your site here:\n\n%s" ) ), $activate_url, esc_url( "http://{$domain}{$path}" ), $key );
658 // TODO: Don't hard code activation link.
659 $subject = sprintf( apply_filters( 'wpmu_signup_blog_notification_subject', __( '[%1$s] Activate %2$s' ) ), $from_name, esc_url( 'http://' . $domain . $path ) );
660 wp_mail($user_email, $subject, $message, $message_headers);
664 function wpmu_signup_user_notification($user, $user_email, $key, $meta = '') {
665 if ( !apply_filters('wpmu_signup_user_notification', $user, $user_email, $key, $meta) )
668 // Send email with activation link.
669 $admin_email = get_site_option( 'admin_email' );
670 if ( $admin_email == '' )
671 $admin_email = 'support@' . $_SERVER['SERVER_NAME'];
672 $from_name = get_site_option( 'site_name' ) == '' ? 'WordPress' : esc_html( get_site_option( 'site_name' ) );
673 $message_headers = "From: \"{$from_name}\" <{$admin_email}>\n" . "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n";
674 $message = sprintf( apply_filters( 'wpmu_signup_user_notification_email', __( "To activate your user, please click the following link:\n\n%s\n\nAfter you activate, you will receive *another email* with your login.\n\n" ) ), site_url( "wp-activate.php?key=$key" ), $key );
675 // TODO: Don't hard code activation link.
676 $subject = sprintf( __( apply_filters( 'wpmu_signup_user_notification_subject', '[%1$s] Activate %2$s' ) ), $from_name, $user);
677 wp_mail($user_email, $subject, $message, $message_headers);
681 function wpmu_activate_signup($key) {
682 global $wpdb, $current_site;
684 $signup = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->signups WHERE activation_key = %s", $key) );
686 if ( empty($signup) )
687 return new WP_Error('invalid_key', __('Invalid activation key.'));
689 if ( $signup->active )
690 return new WP_Error('already_active', __('The site is already active.'), $signup);
692 $meta = unserialize($signup->meta);
693 $user_login = $wpdb->escape($signup->user_login);
694 $user_email = $wpdb->escape($signup->user_email);
695 $password = wp_generate_password();
697 $user_id = username_exists($user_login);
700 $user_id = wpmu_create_user($user_login, $password, $user_email);
702 $user_already_exists = true;
705 return new WP_Error('create_user', __('Could not create user'), $signup);
707 $now = current_time('mysql', true);
709 if ( empty($signup->domain) ) {
710 $wpdb->update( $wpdb->signups, array('active' => 1, 'activated' => $now), array('activation_key' => $key) );
712 if ( isset( $user_already_exists ) )
713 return new WP_Error( 'user_already_exists', __( 'That username is already activated.' ), $signup);
715 wpmu_welcome_user_notification($user_id, $password, $meta);
716 $user_site = get_site_option( 'dashboard_blog', $current_site->blog_id );
718 if ( $user_site == false )
719 add_user_to_blog( '1', $user_id, get_site_option( 'default_user_role', 'subscriber' ) );
721 add_user_to_blog( $user_site, $user_id, get_site_option( 'default_user_role', 'subscriber' ) );
723 add_new_user_to_blog( $user_id, $user_email, $meta );
724 do_action('wpmu_activate_user', $user_id, $password, $meta);
725 return array('user_id' => $user_id, 'password' => $password, 'meta' => $meta);
728 $blog_id = wpmu_create_blog( $signup->domain, $signup->path, $signup->title, $user_id, $meta, $wpdb->siteid );
730 // TODO: What to do if we create a user but cannot create a blog?
731 if ( is_wp_error($blog_id) ) {
732 // If blog is taken, that means a previous attempt to activate this blog failed in between creating the blog and
733 // setting the activation flag. Let's just set the active flag and instruct the user to reset their password.
734 if ( 'blog_taken' == $blog_id->get_error_code() ) {
735 $blog_id->add_data( $signup );
736 $wpdb->update( $wpdb->signups, array( 'active' => 1, 'activated' => $now ), array( 'activation_key' => $key ) );
741 $wpdb->update( $wpdb->signups, array('active' => 1, 'activated' => $now), array('activation_key' => $key) );
742 wpmu_welcome_notification($blog_id, $user_id, $password, $signup->title, $meta);
743 do_action('wpmu_activate_blog', $blog_id, $user_id, $password, $signup->title, $meta);
745 return array('blog_id' => $blog_id, 'user_id' => $user_id, 'password' => $password, 'title' => $signup->title, 'meta' => $meta);
748 function wpmu_create_user( $user_name, $password, $email) {
749 $user_name = preg_replace( '/\s+/', '', sanitize_user( $user_name, true ) );
751 $user_id = wp_create_user( $user_name, $password, $email );
752 if ( is_wp_error($user_id) )
755 // Newly created users have no roles or caps until they are added to a blog.
756 delete_user_option( $user_id, 'capabilities' );
757 delete_user_option( $user_id, 'user_level' );
759 do_action( 'wpmu_new_user', $user_id );
764 function wpmu_create_blog($domain, $path, $title, $user_id, $meta = '', $site_id = 1) {
765 $domain = preg_replace( '/\s+/', '', sanitize_user( $domain, true ) );
767 if ( is_subdomain_install() )
768 $domain = str_replace( '@', '', $domain );
770 $title = strip_tags( $title );
771 $user_id = (int) $user_id;
776 // Check if the domain has been used already. We should return an error message.
777 if ( domain_exists($domain, $path, $site_id) )
778 return new WP_Error('blog_taken', __('Site already exists.'));
780 if ( !defined('WP_INSTALLING') )
781 define( 'WP_INSTALLING', true );
783 if ( ! $blog_id = insert_blog($domain, $path, $site_id) )
784 return new WP_Error('insert_blog', __('Could not create site.'));
786 switch_to_blog($blog_id);
787 install_blog($blog_id, $title);
788 wp_install_defaults($user_id);
790 add_user_to_blog($blog_id, $user_id, 'administrator');
792 if ( is_array($meta) ) foreach ($meta as $key => $value) {
793 if ( $key == 'public' || $key == 'archived' || $key == 'mature' || $key == 'spam' || $key == 'deleted' || $key == 'lang_id' )
794 update_blog_status( $blog_id, $key, $value );
796 update_option( $key, $value );
799 add_option( 'WPLANG', get_site_option( 'WPLANG' ) );
800 update_option( 'blog_public', (int)$meta['public'] );
802 if ( !is_super_admin() && get_user_meta( $user_id, 'primary_blog', true ) == get_site_option( 'dashboard_blog', 1 ) )
803 update_user_meta( $user_id, 'primary_blog', $blog_id );
805 restore_current_blog();
806 do_action( 'wpmu_new_blog', $blog_id, $user_id, $domain, $path, $site_id, $meta );
811 function newblog_notify_siteadmin( $blog_id, $deprecated = '' ) {
812 if ( get_site_option( 'registrationnotification' ) != 'yes' )
815 $email = get_site_option( 'admin_email' );
816 if ( is_email($email) == false )
819 $options_site_url = esc_url(network_admin_url('ms-options.php'));
821 switch_to_blog( $blog_id );
822 $blogname = get_option( 'blogname' );
823 $siteurl = site_url();
824 restore_current_blog();
826 $msg = sprintf( __( 'New Site: %1s
830 Disable these notifications: %4s' ), $blogname, $siteurl, $_SERVER['REMOTE_ADDR'], $options_site_url);
831 $msg = apply_filters( 'newblog_notify_siteadmin', $msg );
833 wp_mail( $email, sprintf( __( 'New Site Registration: %s' ), $siteurl ), $msg );
837 function newuser_notify_siteadmin( $user_id ) {
838 if ( get_site_option( 'registrationnotification' ) != 'yes' )
841 $email = get_site_option( 'admin_email' );
843 if ( is_email($email) == false )
846 $user = new WP_User($user_id);
848 $options_site_url = esc_url(network_admin_url('ms-options.php'));
849 $msg = sprintf(__('New User: %1s
852 Disable these notifications: %3s'), $user->user_login, $_SERVER['REMOTE_ADDR'], $options_site_url);
854 $msg = apply_filters( 'newuser_notify_siteadmin', $msg );
855 wp_mail( $email, sprintf(__('New User Registration: %s'), $user->user_login), $msg );
859 function domain_exists($domain, $path, $site_id = 1) {
861 return $wpdb->get_var( $wpdb->prepare("SELECT blog_id FROM $wpdb->blogs WHERE domain = %s AND path = %s AND site_id = %d", $domain, $path, $site_id) );
864 function insert_blog($domain, $path, $site_id) {
867 $path = trailingslashit($path);
868 $site_id = (int) $site_id;
870 $result = $wpdb->insert( $wpdb->blogs, array('site_id' => $site_id, 'domain' => $domain, 'path' => $path, 'registered' => current_time('mysql')) );
874 refresh_blog_details($wpdb->insert_id);
875 return $wpdb->insert_id;
878 // Install an empty blog. wpdb should already be switched.
879 function install_blog($blog_id, $blog_title = '') {
880 global $wpdb, $table_prefix, $wp_roles;
881 $wpdb->suppress_errors();
884 $blog_id = (int) $blog_id;
886 require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
888 if ( $wpdb->get_results("SELECT ID FROM $wpdb->posts") )
889 die(__('<h1>Already Installed</h1><p>You appear to have already installed WordPress. To reinstall please clear your old database tables first.</p>') . '</body></html>');
891 $wpdb->suppress_errors(false);
893 $url = get_blogaddress_by_id($blog_id);
896 make_db_current_silent();
902 update_option('siteurl', $url);
903 update_option('home', $url);
904 update_option('fileupload_url', $url . "files" );
905 update_option('upload_path', "wp-content/blogs.dir/" . $blog_id . "/files");
906 update_option('blogname', stripslashes( $blog_title ) );
907 update_option('admin_email', '');
908 $wpdb->update( $wpdb->options, array('option_value' => ''), array('option_name' => 'admin_email') );
911 $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE meta_key = %s", $table_prefix.'user_level') );
912 $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE meta_key = %s", $table_prefix.'capabilities') );
914 $wpdb->suppress_errors( false );
917 // Deprecated, use wp_install_defaults()
918 // should be switched already as $blog_id is ignored.
919 function install_blog_defaults($blog_id, $user_id) {
922 require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
924 $wpdb->suppress_errors();
926 wp_install_defaults($user_id);
928 $wpdb->suppress_errors( false );
931 function wpmu_welcome_notification($blog_id, $user_id, $password, $title, $meta = '') {
932 global $current_site;
934 if ( !apply_filters('wpmu_welcome_notification', $blog_id, $user_id, $password, $title, $meta) )
937 $welcome_email = stripslashes( get_site_option( 'welcome_email' ) );
938 if ( $welcome_email == false )
939 $welcome_email = stripslashes( __( 'Dear User,
941 Your new SITE_NAME site has been successfully set up at:
944 You can log in to the administrator account with the following information:
947 Login Here: BLOG_URLwp-login.php
949 We hope you enjoy your new site.
952 --The Team @ SITE_NAME' ) );
954 $url = get_blogaddress_by_id($blog_id);
955 $user = new WP_User($user_id);
957 $welcome_email = str_replace( 'SITE_NAME', $current_site->site_name, $welcome_email );
958 $welcome_email = str_replace( 'BLOG_TITLE', $title, $welcome_email );
959 $welcome_email = str_replace( 'BLOG_URL', $url, $welcome_email );
960 $welcome_email = str_replace( 'USERNAME', $user->user_login, $welcome_email );
961 $welcome_email = str_replace( 'PASSWORD', $password, $welcome_email );
963 $welcome_email = apply_filters( 'update_welcome_email', $welcome_email, $blog_id, $user_id, $password, $title, $meta);
964 $admin_email = get_site_option( 'admin_email' );
966 if ( $admin_email == '' )
967 $admin_email = 'support@' . $_SERVER['SERVER_NAME'];
969 $from_name = get_site_option( 'site_name' ) == '' ? 'WordPress' : esc_html( get_site_option( 'site_name' ) );
970 $message_headers = "From: \"{$from_name}\" <{$admin_email}>\n" . "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n";
971 $message = $welcome_email;
973 if ( empty( $current_site->site_name ) )
974 $current_site->site_name = 'WordPress MU';
976 $subject = apply_filters( 'update_welcome_subject', sprintf(__('New %1$s Site: %2$s'), $current_site->site_name, stripslashes( $title ) ) );
977 wp_mail($user->user_email, $subject, $message, $message_headers);
981 function wpmu_welcome_user_notification($user_id, $password, $meta = '') {
982 global $current_site;
984 if ( !apply_filters('wpmu_welcome_user_notification', $user_id, $password, $meta) )
987 $welcome_email = get_site_option( 'welcome_user_email' );
989 $user = new WP_User($user_id);
991 $welcome_email = apply_filters( 'update_welcome_user_email', $welcome_email, $user_id, $password, $meta);
992 $welcome_email = str_replace( 'SITE_NAME', $current_site->site_name, $welcome_email );
993 $welcome_email = str_replace( 'USERNAME', $user->user_login, $welcome_email );
994 $welcome_email = str_replace( 'PASSWORD', $password, $welcome_email );
995 $welcome_email = str_replace( 'LOGINLINK', wp_login_url(), $welcome_email );
997 $admin_email = get_site_option( 'admin_email' );
999 if ( $admin_email == '' )
1000 $admin_email = 'support@' . $_SERVER['SERVER_NAME'];
1002 $from_name = get_site_option( 'site_name' ) == '' ? 'WordPress' : esc_html( get_site_option( 'site_name' ) );
1003 $message_headers = "From: \"{$from_name}\" <{$admin_email}>\n" . "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n";
1004 $message = $welcome_email;
1006 if ( empty( $current_site->site_name ) )
1007 $current_site->site_name = 'WordPress MU';
1009 $subject = apply_filters( 'update_welcome_user_subject', sprintf(__('New %1$s User: %2$s'), $current_site->site_name, $user->user_login) );
1010 wp_mail($user->user_email, $subject, $message, $message_headers);
1014 function get_current_site() {
1015 global $current_site;
1016 return $current_site;
1019 function get_user_id_from_string( $string ) {
1021 if ( is_email( $string ) ) {
1022 $user = get_user_by('email', $string);
1024 $user_id = $user->ID;
1025 } elseif ( is_numeric( $string ) ) {
1028 $user = get_user_by('login', $string);
1030 $user_id = $user->ID;
1036 function get_most_recent_post_of_user( $user_id ) {
1039 $user_blogs = get_blogs_of_user( (int) $user_id );
1040 $most_recent_post = array();
1042 // Walk through each blog and get the most recent post
1043 // published by $user_id
1044 foreach ( (array) $user_blogs as $blog ) {
1045 $recent_post = $wpdb->get_row( $wpdb->prepare("SELECT ID, post_date_gmt FROM {$wpdb->base_prefix}{$blog->userblog_id}_posts WHERE post_author = %d AND post_type = 'post' AND post_status = 'publish' ORDER BY post_date_gmt DESC LIMIT 1", $user_id ), ARRAY_A);
1047 // Make sure we found a post
1048 if ( isset($recent_post['ID']) ) {
1049 $post_gmt_ts = strtotime($recent_post['post_date_gmt']);
1051 // If this is the first post checked or if this post is
1052 // newer than the current recent post, make it the new
1053 // most recent post.
1054 if ( !isset($most_recent_post['post_gmt_ts']) || ( $post_gmt_ts > $most_recent_post['post_gmt_ts'] ) ) {
1055 $most_recent_post = array(
1056 'blog_id' => $blog->userblog_id,
1057 'post_id' => $recent_post['ID'],
1058 'post_date_gmt' => $recent_post['post_date_gmt'],
1059 'post_gmt_ts' => $post_gmt_ts
1065 return $most_recent_post;
1068 /* Misc functions */
1069 function get_dirsize( $directory ) {
1070 $dirsize = get_transient( 'dirsize_cache' );
1071 if ( is_array( $dirsize ) && isset( $dirsize[ $directory ][ 'size' ] ) )
1072 return $dirsize[ $directory ][ 'size' ];
1074 if ( false == is_array( $dirsize ) )
1077 $dirsize[ $directory ][ 'size' ] = recurse_dirsize( $directory );
1079 set_transient( 'dirsize_cache', $dirsize, 3600 );
1080 return $dirsize[ $directory ][ 'size' ];
1083 function recurse_dirsize( $directory ) {
1086 if ( substr( $directory, -1 ) == '/' )
1087 $directory = substr($directory,0,-1);
1089 if ( !file_exists($directory) || !is_dir( $directory ) || !is_readable( $directory ) )
1092 if ($handle = opendir($directory)) {
1093 while(($file = readdir($handle)) !== false) {
1094 $path = $directory.'/'.$file;
1095 if ($file != '.' && $file != '..') {
1096 if (is_file($path)) {
1097 $size += filesize($path);
1098 } elseif (is_dir($path)) {
1099 $handlesize = recurse_dirsize($path);
1100 if ($handlesize > 0)
1101 $size += $handlesize;
1110 function upload_is_user_over_quota( $echo = true ) {
1111 if ( get_site_option( 'upload_space_check_disabled' ) )
1114 $spaceAllowed = get_space_allowed();
1115 if ( empty( $spaceAllowed ) || !is_numeric( $spaceAllowed ) )
1116 $spaceAllowed = 10; // Default space allowed is 10 MB
1118 $dirName = BLOGUPLOADDIR;
1119 $size = get_dirsize($dirName) / 1024 / 1024;
1121 if ( ($spaceAllowed-$size) < 0 ) {
1123 _e( 'Sorry, you have used your space allocation. Please delete some files to upload more files.' ); // No space left
1130 function check_upload_mimes( $mimes ) {
1131 $site_exts = explode( ' ', get_site_option( 'upload_filetypes' ) );
1132 foreach ( $site_exts as $ext ) {
1133 foreach ( $mimes as $ext_pattern => $mime ) {
1134 if ( $ext != '' && strpos( $ext_pattern, $ext ) !== false )
1135 $site_mimes[$ext_pattern] = $mime;
1141 function update_posts_count( $deprecated = '' ) {
1143 update_option( 'post_count', (int) $wpdb->get_var( "SELECT COUNT(ID) FROM {$wpdb->posts} WHERE post_status = 'publish' and post_type = 'post'" ) );
1146 function wpmu_log_new_registrations( $blog_id, $user_id ) {
1148 $user = new WP_User( (int) $user_id );
1149 $wpdb->insert( $wpdb->registration_log, array('email' => $user->user_email, 'IP' => preg_replace( '/[^0-9., ]/', '',$_SERVER['REMOTE_ADDR'] ), 'blog_id' => $blog_id, 'date_registered' => current_time('mysql')) );
1152 function fix_import_form_size( $size ) {
1153 if ( upload_is_user_over_quota( false ) == true )
1156 $spaceAllowed = 1024 * 1024 * get_space_allowed();
1157 $dirName = BLOGUPLOADDIR;
1158 $dirsize = get_dirsize($dirName) ;
1159 if ( $size > $spaceAllowed - $dirsize )
1160 return $spaceAllowed - $dirsize; // remaining space
1162 return $size; // default
1166 * Maintains a canonical list of terms by syncing terms created for each blog with the global terms table.
1170 * @see term_id_filter
1172 * @param int $term_id An ID for a term on the current blog.
1173 * @return int An ID from the global terms table mapped from $term_id.
1175 function global_terms( $term_id, $deprecated = '' ) {
1177 static $global_terms_recurse = null;
1179 if ( !global_terms_enabled() )
1182 // prevent a race condition
1183 $recurse_start = false;
1184 if ( $global_terms_recurse === null ) {
1185 $recurse_start = true;
1186 $global_terms_recurse = 1;
1187 } elseif ( 10 < $global_terms_recurse++ ) {
1191 $term_id = intval( $term_id );
1192 $c = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->terms WHERE term_id = %d", $term_id ) );
1194 $global_id = $wpdb->get_var( $wpdb->prepare( "SELECT cat_ID FROM $wpdb->sitecategories WHERE category_nicename = %s", $c->slug ) );
1195 if ( $global_id == null ) {
1196 $used_global_id = $wpdb->get_var( $wpdb->prepare( "SELECT cat_ID FROM $wpdb->sitecategories WHERE cat_ID = %d", $c->term_id ) );
1197 if ( null == $used_global_id ) {
1198 $wpdb->insert( $wpdb->sitecategories, array( 'cat_ID' => $term_id, 'cat_name' => $c->name, 'category_nicename' => $c->slug ) );
1199 $global_id = $wpdb->insert_id;
1200 if ( empty( $global_id ) )
1203 $max_global_id = $wpdb->get_var( "SELECT MAX(cat_ID) FROM $wpdb->sitecategories" );
1204 $max_local_id = $wpdb->get_var( "SELECT MAX(term_id) FROM $wpdb->terms" );
1205 $new_global_id = max( $max_global_id, $max_local_id ) + mt_rand( 100, 400 );
1206 $wpdb->insert( $wpdb->sitecategories, array( 'cat_ID' => $new_global_id, 'cat_name' => $c->name, 'category_nicename' => $c->slug ) );
1207 $global_id = $wpdb->insert_id;
1209 } elseif ( $global_id != $term_id ) {
1210 $local_id = $wpdb->get_row( $wpdb->prepare( "SELECT term_id FROM $wpdb->terms WHERE term_id = %d", $global_id ) );
1211 if ( null != $local_id )
1212 $local_id = global_terms( $local_id );
1213 if ( 10 < $global_terms_recurse )
1214 $global_id = $term_id;
1217 if ( $global_id != $term_id ) {
1218 if ( get_option( 'default_category' ) == $term_id )
1219 update_option( 'default_category', $global_id );
1221 $wpdb->update( $wpdb->terms, array('term_id' => $global_id), array('term_id' => $term_id) );
1222 $wpdb->update( $wpdb->term_taxonomy, array('term_id' => $global_id), array('term_id' => $term_id) );
1223 $wpdb->update( $wpdb->term_taxonomy, array('parent' => $global_id), array('parent' => $term_id) );
1225 clean_term_cache($term_id);
1227 if( $recurse_start )
1228 $global_terms_recurse = null;
1233 function redirect_this_site( $deprecated = '' ) {
1234 global $current_site;
1235 return array( $current_site->domain );
1238 function upload_is_file_too_big( $upload ) {
1239 if ( is_array( $upload ) == false || defined( 'WP_IMPORTING' ) )
1242 if ( strlen( $upload['bits'] ) > ( 1024 * get_site_option( 'fileupload_maxk', 1500 ) ) )
1243 return sprintf( __( 'This file is too big. Files must be less than %d KB in size.' ) . '<br />', get_site_option( 'fileupload_maxk', 1500 ));
1248 function wordpressmu_wp_mail_from( $email ) {
1249 if ( strpos( $email, 'wordpress@' ) !== false )
1250 $email = get_option( 'admin_email' );
1254 function signup_nonce_fields() {
1256 echo "<input type='hidden' name='signup_form_id' value='{$id}' />";
1257 wp_nonce_field('signup_form_' . $id, '_signup_form', false);
1260 function signup_nonce_check( $result ) {
1261 if ( !strpos( $_SERVER[ 'PHP_SELF' ], 'wp-signup.php' ) )
1264 if ( wp_create_nonce('signup_form_' . $_POST[ 'signup_form_id' ]) != $_POST['_signup_form'] )
1265 wp_die( __('Please try again!') );
1270 function maybe_redirect_404() {
1271 global $current_site;
1272 if ( is_main_site() && is_404() && defined( 'NOBLOGREDIRECT' ) && ( $destination = apply_filters( 'blog_redirect_404', NOBLOGREDIRECT ) ) ) {
1273 if ( $destination == '%siteurl%' )
1274 $destination = network_home_url();
1275 wp_redirect( $destination );
1280 function maybe_add_existing_user_to_blog() {
1281 if ( false === strpos( $_SERVER[ 'REQUEST_URI' ], '/newbloguser/' ) )
1284 $parts = explode( '/', $_SERVER[ 'REQUEST_URI' ] );
1285 $key = array_pop( $parts );
1288 $key = array_pop( $parts );
1290 $details = get_option( 'new_user_' . $key );
1291 if ( !empty( $details ) )
1292 delete_option( 'new_user_' . $key );
1294 if ( empty( $details ) || is_wp_error( add_existing_user_to_blog( $details ) ) )
1295 wp_die( sprintf(__('An error occurred adding you to this site. Back to the <a href="%s">homepage</a>.'), site_url() ) );
1297 wp_die( sprintf(__('You have been added to this site. Please visit the <a href="%s">homepage</a> or <a href="%s">login</a> using your username and password.'), site_url(), admin_url() ), __('Success') );
1300 function add_existing_user_to_blog( $details = false ) {
1301 if ( is_array( $details ) ) {
1302 $result = add_user_to_blog( '', $details[ 'user_id' ], $details[ 'role' ] );
1303 do_action( 'added_existing_user', $details[ 'user_id' ], $result );
1308 function add_new_user_to_blog( $user_id, $email, $meta ) {
1309 global $current_site;
1310 if ( $meta[ 'add_to_blog' ] ) {
1311 $blog_id = $meta[ 'add_to_blog' ];
1312 $role = $meta[ 'new_role' ];
1313 remove_user_from_blog($user_id, $current_site->blogid); // remove user from main blog.
1314 add_user_to_blog( $blog_id, $user_id, $role );
1315 update_user_meta( $user_id, 'primary_blog', $blog_id );
1319 function fix_phpmailer_messageid( $phpmailer ) {
1320 global $current_site;
1321 $phpmailer->Hostname = $current_site->domain;
1324 function is_user_spammy( $username = 0 ) {
1325 if ( $username == 0 ) {
1326 $user_id = get_current_user_id();
1328 $user_id = get_user_id_from_string( $username );
1330 $u = new WP_User( $user_id );
1332 return ( isset( $u->spam ) && $u->spam == 1 );
1335 function update_blog_public( $old_value, $value ) {
1337 do_action('update_blog_public');
1338 update_blog_status( $wpdb->blogid, 'public', (int) $value );
1340 add_action('update_option_blog_public', 'update_blog_public', 10, 2);
1342 /* Redirect all hits to "dashboard" blog to wp-admin/ Dashboard. */
1343 function redirect_mu_dashboard() {
1344 global $current_site, $current_blog;
1346 $dashboard_blog = get_dashboard_blog();
1347 if ( $current_blog->blog_id == $dashboard_blog->blog_id && $dashboard_blog->blog_id != $current_site->blog_id ) {
1348 $protocol = ( is_ssl() ? 'https://' : 'http://' );
1349 wp_redirect( $protocol . $dashboard_blog->domain . trailingslashit( $dashboard_blog->path ) . 'wp-admin/' );
1353 add_action( 'template_redirect', 'redirect_mu_dashboard' );
1355 function get_dashboard_blog() {
1356 if ( $blog = get_site_option( 'dashboard_blog' ) )
1357 return get_blog_details( $blog );
1359 return get_blog_details( $GLOBALS['current_site']->blog_id );
1362 function is_user_option_local( $key, $user_id = 0, $blog_id = 0 ) {
1365 $current_user = wp_get_current_user();
1366 if ( $user_id == 0 )
1367 $user_id = $current_user->ID;
1368 if ( $blog_id == 0 )
1369 $blog_id = $wpdb->blogid;
1371 $local_key = $wpdb->base_prefix . $blog_id . '_' . $key;
1373 if ( isset( $current_user->$local_key ) )
1379 function users_can_register_signup_filter() {
1380 $registration = get_site_option('registration');
1381 if ( $registration == 'all' || $registration == 'user' )
1386 add_filter('option_users_can_register', 'users_can_register_signup_filter');
1388 function welcome_user_msg_filter( $text ) {
1390 return __( 'Dear User,
1392 Your new account is set up.
1394 You can log in with the following information:
1401 --The Team @ SITE_NAME' );
1405 add_filter( 'site_option_welcome_user_email', 'welcome_user_msg_filter' );
1408 * Whether to force SSL on content.
1412 * @param string|bool $force
1413 * @return bool True if forced, false if not forced.
1415 function force_ssl_content( $force = '' ) {
1416 static $forced_content;
1418 if ( '' != $force ) {
1419 $old_forced = $forced_content;
1420 $forced_content = $force;
1424 return $forced_content;
1428 * Formats an String URL to use HTTPS if HTTP is found.
1429 * Useful as a filter.
1433 function filter_SSL( $url ) {
1434 if ( !is_string( $url ) )
1435 return get_bloginfo( 'url' ); //return home blog url with proper scheme
1437 $arrURL = parse_url( $url );
1439 if ( force_ssl_content() && is_ssl() ) {
1440 if ( 'http' === $arrURL['scheme'] && 'https' !== $arrURL['scheme'] )
1441 $url = str_replace( $arrURL['scheme'], 'https', $url );