if ( false == $welcome_email ) { /* translators: Do not translate USERNAME, SITE_NAME, BLOG_URL, PASSWORD: those are placeholders. */ $welcome_email = __( 'Howdy USERNAME, Your new SITE_NAME site has been successfully set up at: BLOG_URL You can log in to the administrator account with the following information: Username: USERNAME Password: PASSWORD Log in here: BLOG_URLwp-login.php We hope you enjoy your new site. Thanks! --The Team @ SITE_NAME' ); } $url = get_blogaddress_by_id( $blog_id ); $welcome_email = str_replace( 'SITE_NAME', $current_network->site_name, $welcome_email ); $welcome_email = str_replace( 'BLOG_TITLE', $title, $welcome_email ); $welcome_email = str_replace( 'BLOG_URL', $url, $welcome_email ); $welcome_email = str_replace( 'USERNAME', $user->user_login, $welcome_email ); $welcome_email = str_replace( 'PASSWORD', $password, $welcome_email ); /** * Filters the content of the welcome email sent to the site administrator after site activation. * * Content should be formatted for transmission via wp_mail(). * * @since MU (3.0.0) * * @param string $welcome_email Message body of the email. * @param int $blog_id Site ID. * @param int $user_id User ID of the site administrator. * @param string $password User password, or "N/A" if the user account is not new. * @param string $title Site title. * @param array $meta Signup meta data. By default, contains the requested privacy setting and lang_id. */ $welcome_email = apply_filters( 'update_welcome_email', $welcome_email, $blog_id, $user_id, $password, $title, $meta ); $admin_email = get_site_option( 'admin_email' ); if ( '' === $admin_email ) { $admin_email = 'support@' . wp_parse_url( network_home_url(), PHP_URL_HOST ); } $from_name = ( '' !== get_site_option( 'site_name' ) ) ? esc_html( get_site_option( 'site_name' ) ) : 'WordPress'; $message_headers = "From: \"{$from_name}\" <{$admin_email}>\n" . 'Content-Type: text/plain; charset="' . get_option( 'blog_charset' ) . "\"\n"; $message = $welcome_email; if ( empty( $current_network->site_name ) ) { $current_network->site_name = 'WordPress'; } /* translators: New site notification email subject. 1: Network title, 2: New site title. */ $subject = __( 'New %1$s Site: %2$s' ); /** * Filters the subject of the welcome email sent to the site administrator after site activation. * * @since MU (3.0.0) * * @param string $subject Subject of the email. */ $subject = apply_filters( 'update_welcome_subject', sprintf( $subject, $current_network->site_name, wp_unslash( $title ) ) ); wp_mail( $user->user_email, wp_specialchars_decode( $subject ), $message, $message_headers ); if ( $switched_locale ) { restore_previous_locale(); } return true; } /** * Notifies the Multisite network administrator that a new site was created. * * Filter {@see 'send_new_site_email'} to disable or bypass. * * Filter {@see 'new_site_email'} to filter the contents. * * @since 5.6.0 * * @param int $site_id Site ID of the new site. * @param int $user_id User ID of the administrator of the new site. * @return bool Whether the email notification was sent. */ function wpmu_new_site_admin_notification( $site_id, $user_id ) { $site = get_site( $site_id ); $user = get_userdata( $user_id ); $email = get_site_option( 'admin_email' ); if ( ! $site || ! $user || ! $email ) { return false; } /** * Filters whether to send an email to the Multisite network administrator when a new site is created. * * Return false to disable sending the email. * * @since 5.6.0 * * @param bool $send Whether to send the email. * @param WP_Site $site Site object of the new site. * @param WP_User $user User object of the administrator of the new site. */ if ( ! apply_filters( 'send_new_site_email', true, $site, $user ) ) { return false; } $switched_locale = false; $network_admin = get_user_by( 'email', $email ); if ( $network_admin ) { // If the network admin email address corresponds to a user, switch to their locale. $switched_locale = switch_to_locale( get_user_locale( $network_admin ) ); } else { // Otherwise switch to the locale of the current site. $switched_locale = switch_to_locale( get_locale() ); } $subject = sprintf( /* translators: New site notification email subject. %s: Network title. */ __( '[%s] New Site Created' ), get_network()->site_name ); $message = sprintf( /* translators: New site notification email. 1: User login, 2: Site URL, 3: Site title. */ __( 'New site created by %1$s Address: %2$s Name: %3$s' ), $user->user_login, get_site_url( $site->id ), get_blog_option( $site->id, 'blogname' ) ); $header = sprintf( 'From: "%1$s" <%2$s>', _x( 'Site Admin', 'email "From" field' ), $email ); $new_site_email = array( 'to' => $email, 'subject' => $subject, 'message' => $message, 'headers' => $header, ); /** * Filters the content of the email sent to the Multisite network administrator when a new site is created. * * Content should be formatted for transmission via wp_mail(). * * @since 5.6.0 * * @param array $new_site_email { * Used to build wp_mail(). * * @type string $to The email address of the recipient. * @type string $subject The subject of the email. * @type string $message The content of the email. * @type string $headers Headers. * } * @param WP_Site $site Site object of the new site. * @param WP_User $user User object of the administrator of the new site. */ $new_site_email = apply_filters( 'new_site_email', $new_site_email, $site, $user ); wp_mail( $new_site_email['to'], wp_specialchars_decode( $new_site_email['subject'] ), $new_site_email['message'], $new_site_email['headers'] ); if ( $switched_locale ) { restore_previous_locale(); } return true; } /** * Notifies a user that their account activation has been successful. * * Filter {@see 'wpmu_welcome_user_notification'} to disable or bypass. * * Filter {@see 'update_welcome_user_email'} and {@see 'update_welcome_user_subject'} to * modify the content and subject line of the notification email. * * @since MU (3.0.0) * * @param int $user_id User ID. * @param string $password User password. * @param array $meta Optional. Signup meta data. Default empty array. * @return bool */ function wpmu_welcome_user_notification( $user_id, $password, $meta = array() ) { $current_network = get_network(); /** * Filters whether to bypass the welcome email after user activation. * * Returning false disables the welcome email. * * @since MU (3.0.0) * * @param int $user_id User ID. * @param string $password User password. * @param array $meta Signup meta data. Default empty array. */ if ( ! apply_filters( 'wpmu_welcome_user_notification', $user_id, $password, $meta ) ) { return false; } $welcome_email = get_site_option( 'welcome_user_email' ); $user = get_userdata( $user_id ); $switched_locale = switch_to_locale( get_user_locale( $user ) ); /** * Filters the content of the welcome email after user activation. * * Content should be formatted for transmission via wp_mail(). * * @since MU (3.0.0) * * @param string $welcome_email The message body of the account activation success email. * @param int $user_id User ID. * @param string $password User password. * @param array $meta Signup meta data. Default empty array. */ $welcome_email = apply_filters( 'update_welcome_user_email', $welcome_email, $user_id, $password, $meta ); $welcome_email = str_replace( 'SITE_NAME', $current_network->site_name, $welcome_email ); $welcome_email = str_replace( 'USERNAME', $user->user_login, $welcome_email ); $welcome_email = str_replace( 'PASSWORD', $password, $welcome_email ); $welcome_email = str_replace( 'LOGINLINK', wp_login_url(), $welcome_email ); $admin_email = get_site_option( 'admin_email' ); if ( '' === $admin_email ) { $admin_email = 'support@' . wp_parse_url( network_home_url(), PHP_URL_HOST ); } $from_name = ( '' !== get_site_option( 'site_name' ) ) ? esc_html( get_site_option( 'site_name' ) ) : 'WordPress'; $message_headers = "From: \"{$from_name}\" <{$admin_email}>\n" . 'Content-Type: text/plain; charset="' . get_option( 'blog_charset' ) . "\"\n"; $message = $welcome_email; if ( empty( $current_network->site_name ) ) { $current_network->site_name = 'WordPress'; } /* translators: New user notification email subject. 1: Network title, 2: New user login. */ $subject = __( 'New %1$s User: %2$s' ); /** * Filters the subject of the welcome email after user activation. * * @since MU (3.0.0) * * @param string $subject Subject of the email. */ $subject = apply_filters( 'update_welcome_user_subject', sprintf( $subject, $current_network->site_name, $user->user_login ) ); wp_mail( $user->user_email, wp_specialchars_decode( $subject ), $message, $message_headers ); if ( $switched_locale ) { restore_previous_locale(); } return true; } /** * Gets the current network. * * Returns an object containing the 'id', 'domain', 'path', and 'site_name' * properties of the network being viewed. * * @see wpmu_current_site() * * @since MU (3.0.0) * * @global WP_Network $current_site * * @return WP_Network */ function get_current_site() { global $current_site; return $current_site; } /** * Gets a user's most recent post. * * Walks through each of a user's blogs to find the post with * the most recent post_date_gmt. * * @since MU (3.0.0) * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $user_id * @return array Contains the blog_id, post_id, post_date_gmt, and post_gmt_ts */ function get_most_recent_post_of_user( $user_id ) { global $wpdb; $user_blogs = get_blogs_of_user( (int) $user_id ); $most_recent_post = array(); // Walk through each blog and get the most recent post // published by $user_id. foreach ( (array) $user_blogs as $blog ) { $prefix = $wpdb->get_blog_prefix( $blog->userblog_id ); $recent_post = $wpdb->get_row( $wpdb->prepare( "SELECT ID, post_date_gmt FROM {$prefix}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 ); // Make sure we found a post. if ( isset( $recent_post['ID'] ) ) { $post_gmt_ts = strtotime( $recent_post['post_date_gmt'] ); /* * If this is the first post checked * or if this post is newer than the current recent post, * make it the new most recent post. */ if ( ! isset( $most_recent_post['post_gmt_ts'] ) || ( $post_gmt_ts > $most_recent_post['post_gmt_ts'] ) ) { $most_recent_post = array( 'blog_id' => $blog->userblog_id, 'post_id' => $recent_post['ID'], 'post_date_gmt' => $recent_post['post_date_gmt'], 'post_gmt_ts' => $post_gmt_ts, ); } } } return $most_recent_post; } // // Misc functions. // /** * Checks an array of MIME types against a list of allowed types. * * WordPress ships with a set of allowed upload filetypes, * which is defined in wp-includes/functions.php in * get_allowed_mime_types(). This function is used to filter * that list against the filetypes allowed provided by Multisite * Super Admins at wp-admin/network/settings.php. * * @since MU (3.0.0) * * @param array $mimes * @return array */ function check_upload_mimes( $mimes ) { $site_exts = explode( ' ', get_site_option( 'upload_filetypes', 'jpg jpeg png gif' ) ); $site_mimes = array(); foreach ( $site_exts as $ext ) { foreach ( $mimes as $ext_pattern => $mime ) { if ( '' !== $ext && false !== strpos( $ext_pattern, $ext ) ) { $site_mimes[ $ext_pattern ] = $mime; } } } return $site_mimes; } /** * Updates a blog's post count. * * WordPress MS stores a blog's post count as an option so as * to avoid extraneous COUNTs when a blog's details are fetched * with get_site(). This function is called when posts are published * or unpublished to make sure the count stays current. * * @since MU (3.0.0) * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $deprecated Not used. */ function update_posts_count( $deprecated = '' ) { global $wpdb; update_option( 'post_count', (int) $wpdb->get_var( "SELECT COUNT(ID) FROM {$wpdb->posts} WHERE post_status = 'publish' and post_type = 'post'" ) ); } /** * Logs the user email, IP, and registration date of a new site. * * @since MU (3.0.0) * @since 5.1.0 Parameters now support input from the {@see 'wp_initialize_site'} action. * * @global wpdb $wpdb WordPress database abstraction object. * * @param WP_Site|int $blog_id The new site's object or ID. * @param int|array $user_id User ID, or array of arguments including 'user_id'. */ function wpmu_log_new_registrations( $blog_id, $user_id ) { global $wpdb; if ( is_object( $blog_id ) ) { $blog_id = $blog_id->blog_id; } if ( is_array( $user_id ) ) { $user_id = ! empty( $user_id['user_id'] ) ? $user_id['user_id'] : 0; } $user = get_userdata( (int) $user_id ); if ( $user ) { $wpdb->insert( $wpdb->registration_log, array( 'email' => $user->user_email, 'IP' => preg_replace( '/[^0-9., ]/', '', wp_unslash( $_SERVER['REMOTE_ADDR'] ) ), 'blog_id' => $blog_id, 'date_registered' => current_time( 'mysql' ), ) ); } } /** * Ensures that the current site's domain is listed in the allowed redirect host list. * * @see wp_validate_redirect() * @since MU (3.0.0) * * @param array|string $deprecated Not used. * @return string[] { * An array containing the current site's domain. * * @type string $0 The current site's domain. * } */ function redirect_this_site( $deprecated = '' ) { return array( get_network()->domain ); } /** * Checks whether an upload is too big. * * @since MU (3.0.0) * * @blessed * * @param array $upload * @return string|array If the upload is under the size limit, $upload is returned. Otherwise returns an error message. */ function upload_is_file_too_big( $upload ) { if ( ! is_array( $upload ) || defined( 'WP_IMPORTING' ) || get_site_option( 'upload_space_check_disabled' ) ) { return $upload; } if ( strlen( $upload['bits'] ) > ( KB_IN_BYTES * get_site_option( 'fileupload_maxk', 1500 ) ) ) { /* translators: %s: Maximum allowed file size in kilobytes. */ return sprintf( __( 'This file is too big. Files must be less than %s KB in size.' ) . '
', get_site_option( 'fileupload_maxk', 1500 ) ); } return $upload; } /** * Adds a nonce field to the signup page. * * @since MU (3.0.0) */ function signup_nonce_fields() { $id = mt_rand(); echo ""; wp_nonce_field( 'signup_form_' . $id, '_signup_form', false ); } /** * Processes the signup nonce created in signup_nonce_fields(). * * @since MU (3.0.0) * * @param array $result * @return array */ function signup_nonce_check( $result ) { if ( ! strpos( $_SERVER['PHP_SELF'], 'wp-signup.php' ) ) { return $result; } if ( ! wp_verify_nonce( $_POST['_signup_form'], 'signup_form_' . $_POST['signup_form_id'] ) ) { $result['errors']->add( 'invalid_nonce', __( 'Unable to submit this form, please try again.' ) ); } return $result; } /** * Corrects 404 redirects when NOBLOGREDIRECT is defined. * * @since MU (3.0.0) */ function maybe_redirect_404() { if ( is_main_site() && is_404() && defined( 'NOBLOGREDIRECT' ) ) { /** * Filters the redirect URL for 404s on the main site. * * The filter is only evaluated if the NOBLOGREDIRECT constant is defined. * * @since 3.0.0 * * @param string $no_blog_redirect The redirect URL defined in NOBLOGREDIRECT. */ $destination = apply_filters( 'blog_redirect_404', NOBLOGREDIRECT ); if ( $destination ) { if ( '%siteurl%' === $destination ) { $destination = network_home_url(); } wp_redirect( $destination ); exit; } } } /** * Adds a new user to a blog by visiting /newbloguser/{key}/. * * This will only work when the user's details are saved as an option * keyed as 'new_user_{key}', where '{key}' is a hash generated for the user to be * added, as when a user is invited through the regular WP Add User interface. * * @since MU (3.0.0) */ function maybe_add_existing_user_to_blog() { if ( false === strpos( $_SERVER['REQUEST_URI'], '/newbloguser/' ) ) { return; } $parts = explode( '/', $_SERVER['REQUEST_URI'] ); $key = array_pop( $parts ); if ( '' === $key ) { $key = array_pop( $parts ); } $details = get_option( 'new_user_' . $key ); if ( ! empty( $details ) ) { delete_option( 'new_user_' . $key ); } if ( empty( $details ) || is_wp_error( add_existing_user_to_blog( $details ) ) ) { wp_die( sprintf( /* translators: %s: Home URL. */ __( 'An error occurred adding you to this site. Go to the homepage.' ), home_url() ) ); } wp_die( sprintf( /* translators: 1: Home URL, 2: Admin URL. */ __( 'You have been added to this site. Please visit the homepage or log in using your username and password.' ), home_url(), admin_url() ), __( 'WordPress › Success' ), array( 'response' => 200 ) ); } /** * Adds a user to a blog based on details from maybe_add_existing_user_to_blog(). * * @since MU (3.0.0) * * @param array|false $details { * User details. Must at least contain values for the keys listed below. * * @type int $user_id The ID of the user being added to the current blog. * @type string $role The role to be assigned to the user. * } * @return true|WP_Error|void True on success or a WP_Error object if the user doesn't exist * or could not be added. Void if $details array was not provided. */ function add_existing_user_to_blog( $details = false ) { if ( is_array( $details ) ) { $blog_id = get_current_blog_id(); $result = add_user_to_blog( $blog_id, $details['user_id'], $details['role'] ); /** * Fires immediately after an existing user is added to a site. * * @since MU (3.0.0) * * @param int $user_id User ID. * @param true|WP_Error $result True on success or a WP_Error object if the user doesn't exist * or could not be added. */ do_action( 'added_existing_user', $details['user_id'], $result ); return $result; } } /** * Adds a newly created user to the appropriate blog * * To add a user in general, use add_user_to_blog(). This function * is specifically hooked into the {@see 'wpmu_activate_user'} action. * * @since MU (3.0.0) * * @see add_user_to_blog() * * @param int $user_id User ID. * @param string $password User password. Ignored. * @param array $meta Signup meta data. */ function add_new_user_to_blog( $user_id, $password, $meta ) { if ( ! empty( $meta['add_to_blog'] ) ) { $blog_id = $meta['add_to_blog']; $role = $meta['new_role']; remove_user_from_blog( $user_id, get_network()->site_id ); // Remove user from main blog. $result = add_user_to_blog( $blog_id, $user_id, $role ); if ( ! is_wp_error( $result ) ) { update_user_meta( $user_id, 'primary_blog', $blog_id ); } } } /** * Corrects From host on outgoing mail to match the site domain * * @since MU (3.0.0) * * @param PHPMailer $phpmailer The PHPMailer instance (passed by reference). */ function fix_phpmailer_messageid( $phpmailer ) { $phpmailer->Hostname = get_network()->domain; } /** * Determines whether a user is marked as a spammer, based on user login. * * @since MU (3.0.0) * * @param string|WP_User $user Optional. Defaults to current user. WP_User object, * or user login name as a string. * @return bool */ function is_user_spammy( $user = null ) { if ( ! ( $user instanceof WP_User ) ) { if ( $user ) { $user = get_user_by( 'login', $user ); } else { $user = wp_get_current_user(); } } return $user && isset( $user->spam ) && 1 == $user->spam; } /** * Updates this blog's 'public' setting in the global blogs table. * * Public blogs have a setting of 1, private blogs are 0. * * @since MU (3.0.0) * * @param int $old_value * @param int $value The new public value */ function update_blog_public( $old_value, $value ) { update_blog_status( get_current_blog_id(), 'public', (int) $value ); } /** * Determines whether users can self-register, based on Network settings. * * @since MU (3.0.0) * * @return bool */ function users_can_register_signup_filter() { $registration = get_site_option( 'registration' ); return ( 'all' === $registration || 'user' === $registration ); } /** * Ensures that the welcome message is not empty. Currently unused. * * @since MU (3.0.0) * * @param string $text * @return string */ function welcome_user_msg_filter( $text ) { if ( ! $text ) { remove_filter( 'site_option_welcome_user_email', 'welcome_user_msg_filter' ); /* translators: Do not translate USERNAME, PASSWORD, LOGINLINK, SITE_NAME: those are placeholders. */ $text = __( 'Howdy USERNAME, Your new account is set up. You can log in with the following information: Username: USERNAME Password: PASSWORD LOGINLINK Thanks! --The Team @ SITE_NAME' ); update_site_option( 'welcome_user_email', $text ); } return $text; } /** * Determines whether to force SSL on content. * * @since 2.8.5 * * @param bool $force * @return bool True if forced, false if not forced. */ function force_ssl_content( $force = '' ) { static $forced_content = false; if ( ! $force ) { $old_forced = $forced_content; $forced_content = $force; return $old_forced; } return $forced_content; } /** * Formats a URL to use https. * * Useful as a filter. * * @since 2.8.5 * * @param string $url URL * @return string URL with https as the scheme */ function filter_SSL( $url ) { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionNameInvalid if ( ! is_string( $url ) ) { return get_bloginfo( 'url' ); // Return home blog URL with proper scheme. } if ( force_ssl_content() && is_ssl() ) { $url = set_url_scheme( $url, 'https' ); } return $url; } /** * Schedules update of the network-wide counts for the current network. * * @since 3.1.0 */ function wp_schedule_update_network_counts() { if ( ! is_main_site() ) { return; } if ( ! wp_next_scheduled( 'update_network_counts' ) && ! wp_installing() ) { wp_schedule_event( time(), 'twicedaily', 'update_network_counts' ); } } /** * Updates the network-wide counts for the current network. * * @since 3.1.0 * @since 4.8.0 The `$network_id` parameter has been added. * * @param int|null $network_id ID of the network. Default is the current network. */ function wp_update_network_counts( $network_id = null ) { wp_update_network_user_counts( $network_id ); wp_update_network_site_counts( $network_id ); } /** * Updates the count of sites for the current network. * * If enabled through the {@see 'enable_live_network_counts'} filter, update the sites count * on a network when a site is created or its status is updated. * * @since 3.7.0 * @since 4.8.0 The `$network_id` parameter has been added. * * @param int|null $network_id ID of the network. Default is the current network. */ function wp_maybe_update_network_site_counts( $network_id = null ) { $is_small_network = ! wp_is_large_network( 'sites', $network_id ); /** * Filters whether to update network site or user counts when a new site is created. * * @since 3.7.0 * * @see wp_is_large_network() * * @param bool $small_network Whether the network is considered small. * @param string $context Context. Either 'users' or 'sites'. */ if ( ! apply_filters( 'enable_live_network_counts', $is_small_network, 'sites' ) ) { return; } wp_update_network_site_counts( $network_id ); } /** * Updates the network-wide users count. * * If enabled through the {@see 'enable_live_network_counts'} filter, update the users count * on a network when a user is created or its status is updated. * * @since 3.7.0 * @since 4.8.0 The `$network_id` parameter has been added. * * @param int|null $network_id ID of the network. Default is the current network. */ function wp_maybe_update_network_user_counts( $network_id = null ) { $is_small_network = ! wp_is_large_network( 'users', $network_id ); /** This filter is documented in wp-includes/ms-functions.php */ if ( ! apply_filters( 'enable_live_network_counts', $is_small_network, 'users' ) ) { return; } wp_update_network_user_counts( $network_id ); } /** * Updates the network-wide site count. * * @since 3.7.0 * @since 4.8.0 The `$network_id` parameter has been added. * * @param int|null $network_id ID of the network. Default is the current network. */ function wp_update_network_site_counts( $network_id = null ) { $network_id = (int) $network_id; if ( ! $network_id ) { $network_id = get_current_network_id(); } $count = get_sites( array( 'network_id' => $network_id, 'spam' => 0, 'deleted' => 0, 'archived' => 0, 'count' => true, 'update_site_meta_cache' => false, ) ); update_network_option( $network_id, 'blog_count', $count ); } /** * Updates the network-wide user count. * * @since 3.7.0 * @since 4.8.0 The `$network_id` parameter has been added. * @since 6.0.0 This function is now a wrapper for wp_update_user_counts(). * * @param int|null $network_id ID of the network. Default is the current network. */ function wp_update_network_user_counts( $network_id = null ) { wp_update_user_counts( $network_id ); } /** * Returns the space used by the current site. * * @since 3.5.0 * * @return int Used space in megabytes. */ function get_space_used() { /** * Filters the amount of storage space used by the current site, in megabytes. * * @since 3.5.0 * * @param int|false $space_used The amount of used space, in megabytes. Default false. */ $space_used = apply_filters( 'pre_get_space_used', false ); if ( false === $space_used ) { $upload_dir = wp_upload_dir(); $space_used = get_dirsize( $upload_dir['basedir'] ) / MB_IN_BYTES; } return $space_used; } /** * Returns the upload quota for the current blog. * * @since MU (3.0.0) * * @return int Quota in megabytes */ function get_space_allowed() { $space_allowed = get_option( 'blog_upload_space' ); if ( ! is_numeric( $space_allowed ) ) { $space_allowed = get_site_option( 'blog_upload_space' ); } if ( ! is_numeric( $space_allowed ) ) { $space_allowed = 100; } /** * Filters the upload quota for the current site. * * @since 3.7.0 * * @param int $space_allowed Upload quota in megabytes for the current blog. */ return apply_filters( 'get_space_allowed', $space_allowed ); } /** * Determines if there is any upload space left in the current blog's quota. * * @since 3.0.0 * * @return int of upload space available in bytes */ function get_upload_space_available() { $allowed = get_space_allowed(); if ( $allowed < 0 ) { $allowed = 0; } $space_allowed = $allowed * MB_IN_BYTES; if ( get_site_option( 'upload_space_check_disabled' ) ) { return $space_allowed; } $space_used = get_space_used() * MB_IN_BYTES; if ( ( $space_allowed - $space_used ) <= 0 ) { return 0; } return $space_allowed - $space_used; } /** * Determines if there is any upload space left in the current blog's quota. * * @since 3.0.0 * @return bool True if space is available, false otherwise. */ function is_upload_space_available() { if ( get_site_option( 'upload_space_check_disabled' ) ) { return true; } return (bool) get_upload_space_available(); } /** * Filters the maximum upload file size allowed, in bytes. * * @since 3.0.0 * * @param int $size Upload size limit in bytes. * @return int Upload size limit in bytes. */ function upload_size_limit_filter( $size ) { $fileupload_maxk = (int) get_site_option( 'fileupload_maxk', 1500 ); $max_fileupload_in_bytes = KB_IN_BYTES * $fileupload_maxk; if ( get_site_option( 'upload_space_check_disabled' ) ) { return min( $size, $max_fileupload_in_bytes ); } return min( $size, $max_fileupload_in_bytes, get_upload_space_available() ); } /** * Determines whether or not we have a large network. * * The default criteria for a large network is either more than 10,000 users or more than 10,000 sites. * Plugins can alter this criteria using the {@see 'wp_is_large_network'} filter. * * @since 3.3.0 * @since 4.8.0 The `$network_id` parameter has been added. * * @param string $using 'sites or 'users'. Default is 'sites'. * @param int|null $network_id ID of the network. Default is the current network. * @return bool True if the network meets the criteria for large. False otherwise. */ function wp_is_large_network( $using = 'sites', $network_id = null ) { $network_id = (int) $network_id; if ( ! $network_id ) { $network_id = get_current_network_id(); } if ( 'users' === $using ) { $count = get_user_count( $network_id ); $is_large_network = wp_is_large_user_count( $network_id ); /** * Filters whether the network is considered large. * * @since 3.3.0 * @since 4.8.0 The `$network_id` parameter has been added. * * @param bool $is_large_network Whether the network has more than 10000 users or sites. * @param string $component The component to count. Accepts 'users', or 'sites'. * @param int $count The count of items for the component. * @param int $network_id The ID of the network being checked. */ return apply_filters( 'wp_is_large_network', $is_large_network, 'users', $count, $network_id ); } $count = get_blog_count( $network_id ); /** This filter is documented in wp-includes/ms-functions.php */ return apply_filters( 'wp_is_large_network', $count > 10000, 'sites', $count, $network_id ); } /** * Retrieves a list of reserved site on a sub-directory Multisite installation. * * @since 4.4.0 * * @return string[] Array of reserved names. */ function get_subdirectory_reserved_names() { $names = array( 'page', 'comments', 'blog', 'files', 'feed', 'wp-admin', 'wp-content', 'wp-includes', 'wp-json', 'embed', ); /** * Filters reserved site names on a sub-directory Multisite installation. * * @since 3.0.0 * @since 4.4.0 'wp-admin', 'wp-content', 'wp-includes', 'wp-json', and 'embed' were added * to the reserved names list. * * @param string[] $subdirectory_reserved_names Array of reserved names. */ return apply_filters( 'subdirectory_reserved_names', $names ); } /** * Sends a confirmation request email when a change of network admin email address is attempted. * * The new network admin address will not become active until confirmed. * * @since 4.9.0 * * @param string $old_value The old network admin email address. * @param string $value The proposed new network admin email address. */ function update_network_option_new_admin_email( $old_value, $value ) { if ( get_site_option( 'admin_email' ) === $value || ! is_email( $value ) ) { return; } $hash = md5( $value . time() . mt_rand() ); $new_admin_email = array( 'hash' => $hash, 'newemail' => $value, ); update_site_option( 'network_admin_hash', $new_admin_email ); $switched_locale = switch_to_locale( get_user_locale() ); /* translators: Do not translate USERNAME, ADMIN_URL, EMAIL, SITENAME, SITEURL: those are placeholders. */ $email_text = __( 'Howdy ###USERNAME###, You recently requested to have the network admin email address on your network changed. If this is correct, please click on the following link to change it: ###ADMIN_URL### You can safely ignore and delete this email if you do not want to take this action. This email has been sent to ###EMAIL### Regards, All at ###SITENAME### ###SITEURL###' ); /** * Filters the text of the email sent when a change of network admin email address is attempted. * * The following strings have a special meaning and will get replaced dynamically: * ###USERNAME### The current user's username. * ###ADMIN_URL### The link to click on to confirm the email change. * ###EMAIL### The proposed new network admin email address. * ###SITENAME### The name of the network. * ###SITEURL### The URL to the network. * * @since 4.9.0 * * @param string $email_text Text in the email. * @param array $new_admin_email { * Data relating to the new network admin email address. * * @type string $hash The secure hash used in the confirmation link URL. * @type string $newemail The proposed new network admin email address. * } */ $content = apply_filters( 'new_network_admin_email_content', $email_text, $new_admin_email ); $current_user = wp_get_current_user(); $content = str_replace( '###USERNAME###', $current_user->user_login, $content ); $content = str_replace( '###ADMIN_URL###', esc_url( network_admin_url( 'settings.php?network_admin_hash=' . $hash ) ), $content ); $content = str_replace( '###EMAIL###', $value, $content ); $content = str_replace( '###SITENAME###', wp_specialchars_decode( get_site_option( 'site_name' ), ENT_QUOTES ), $content ); $content = str_replace( '###SITEURL###', network_home_url(), $content ); wp_mail( $value, sprintf( /* translators: Email change notification email subject. %s: Network title. */ __( '[%s] Network Admin Email Change Request' ), wp_specialchars_decode( get_site_option( 'site_name' ), ENT_QUOTES ) ), $content ); if ( $switched_locale ) { restore_previous_locale(); } } /** * Sends an email to the old network admin email address when the network admin email address changes. * * @since 4.9.0 * * @param string $option_name The relevant database option name. * @param string $new_email The new network admin email address. * @param string $old_email The old network admin email address. * @param int $network_id ID of the network. */ function wp_network_admin_email_change_notification( $option_name, $new_email, $old_email, $network_id ) { $send = true; // Don't send the notification to the default 'admin_email' value. if ( 'you@example.com' === $old_email ) { $send = false; } /** * Filters whether to send the network admin email change notification email. * * @since 4.9.0 * * @param bool $send Whether to send the email notification. * @param string $old_email The old network admin email address. * @param string $new_email The new network admin email address. * @param int $network_id ID of the network. */ $send = apply_filters( 'send_network_admin_email_change_email', $send, $old_email, $new_email, $network_id ); if ( ! $send ) { return; } /* translators: Do not translate OLD_EMAIL, NEW_EMAIL, SITENAME, SITEURL: those are placeholders. */ $email_change_text = __( 'Hi, This notice confirms that the network admin email address was changed on ###SITENAME###. The new network admin email address is ###NEW_EMAIL###. This email has been sent to ###OLD_EMAIL### Regards, All at ###SITENAME### ###SITEURL###' ); $email_change_email = array( 'to' => $old_email, /* translators: Network admin email change notification email subject. %s: Network title. */ 'subject' => __( '[%s] Network Admin Email Changed' ), 'message' => $email_change_text, 'headers' => '', ); // Get network name. $network_name = wp_specialchars_decode( get_site_option( 'site_name' ), ENT_QUOTES ); /** * Filters the contents of the email notification sent when the network admin email address is changed. * * @since 4.9.0 * * @param array $email_change_email { * Used to build wp_mail(). * * @type string $to The intended recipient. * @type string $subject The subject of the email. * @type string $message The content of the email. * The following strings have a special meaning and will get replaced dynamically: * - ###OLD_EMAIL### The old network admin email address. * - ###NEW_EMAIL### The new network admin email address. * - ###SITENAME### The name of the network. * - ###SITEURL### The URL to the site. * @type string $headers Headers. * } * @param string $old_email The old network admin email address. * @param string $new_email The new network admin email address. * @param int $network_id ID of the network. */ $email_change_email = apply_filters( 'network_admin_email_change_email', $email_change_email, $old_email, $new_email, $network_id ); $email_change_email['message'] = str_replace( '###OLD_EMAIL###', $old_email, $email_change_email['message'] ); $email_change_email['message'] = str_replace( '###NEW_EMAIL###', $new_email, $email_change_email['message'] ); $email_change_email['message'] = str_replace( '###SITENAME###', $network_name, $email_change_email['message'] ); $email_change_email['message'] = str_replace( '###SITEURL###', home_url(), $email_change_email['message'] ); wp_mail( $email_change_email['to'], sprintf( $email_change_email['subject'], $network_name ), $email_change_email['message'], $email_change_email['headers'] ); }