0 ) { // There's already an error.
return $file;
}
if ( defined( 'WP_IMPORTING' ) ) {
return $file;
}
$space_left = get_upload_space_available();
$file_size = filesize( $file['tmp_name'] );
if ( $space_left < $file_size ) {
/* translators: %s: Required disk space in kilobytes. */
$file['error'] = sprintf( __( 'Not enough space to upload. %s KB needed.' ), number_format( ( $file_size - $space_left ) / KB_IN_BYTES ) );
}
if ( $file_size > ( KB_IN_BYTES * get_site_option( 'fileupload_maxk', 1500 ) ) ) {
/* translators: %s: Maximum allowed file size in kilobytes. */
$file['error'] = sprintf( __( 'This file is too big. Files must be less than %s KB in size.' ), get_site_option( 'fileupload_maxk', 1500 ) );
}
if ( upload_is_user_over_quota( false ) ) {
$file['error'] = __( 'You have used your space quota. Please delete files before uploading.' );
}
if ( $file['error'] > 0 && ! isset( $_POST['html-upload'] ) && ! wp_doing_ajax() ) {
wp_die( $file['error'] . ' ' . __( 'Back' ) . '' );
}
return $file;
}
/**
* Deletes a site.
*
* @since 3.0.0
* @since 5.1.0 Use wp_delete_site() internally to delete the site row from the database.
*
* @param int $blog_id Site ID.
* @param bool $drop True if site's database tables should be dropped. Default false.
*/
function wpmu_delete_blog( $blog_id, $drop = false ) {
$blog_id = (int) $blog_id;
$switch = false;
if ( get_current_blog_id() !== $blog_id ) {
$switch = true;
switch_to_blog( $blog_id );
}
$blog = get_site( $blog_id );
$current_network = get_network();
// If a full blog object is not available, do not destroy anything.
if ( $drop && ! $blog ) {
$drop = false;
}
// Don't destroy the initial, main, or root blog.
if ( $drop
&& ( 1 === $blog_id || is_main_site( $blog_id )
|| ( $blog->path === $current_network->path && $blog->domain === $current_network->domain ) )
) {
$drop = false;
}
$upload_path = trim( get_option( 'upload_path' ) );
// If ms_files_rewriting is enabled and upload_path is empty, wp_upload_dir is not reliable.
if ( $drop && get_site_option( 'ms_files_rewriting' ) && empty( $upload_path ) ) {
$drop = false;
}
if ( $drop ) {
wp_delete_site( $blog_id );
} else {
/** This action is documented in wp-includes/ms-site.php */
do_action_deprecated( 'delete_blog', array( $blog_id, false ), '5.1.0' );
$users = get_users(
array(
'blog_id' => $blog_id,
'fields' => 'ids',
)
);
// Remove users from this blog.
if ( ! empty( $users ) ) {
foreach ( $users as $user_id ) {
remove_user_from_blog( $user_id, $blog_id );
}
}
update_blog_status( $blog_id, 'deleted', 1 );
/** This action is documented in wp-includes/ms-site.php */
do_action_deprecated( 'deleted_blog', array( $blog_id, false ), '5.1.0' );
}
if ( $switch ) {
restore_current_blog();
}
}
/**
* Deletes a user and all of their posts from the network.
*
* This function:
*
* - Deletes all posts (of all post types) authored by the user on all sites on the network
* - Deletes all links owned by the user on all sites on the network
* - Removes the user from all sites on the network
* - Deletes the user from the database
*
* @since 3.0.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param int $id The user ID.
* @return bool True if the user was deleted, false otherwise.
*/
function wpmu_delete_user( $id ) {
global $wpdb;
if ( ! is_numeric( $id ) ) {
return false;
}
$id = (int) $id;
$user = new WP_User( $id );
if ( ! $user->exists() ) {
return false;
}
// Global super-administrators are protected, and cannot be deleted.
$_super_admins = get_super_admins();
if ( in_array( $user->user_login, $_super_admins, true ) ) {
return false;
}
/**
* Fires before a user is deleted from the network.
*
* @since MU (3.0.0)
* @since 5.5.0 Added the `$user` parameter.
*
* @param int $id ID of the user about to be deleted from the network.
* @param WP_User $user WP_User object of the user about to be deleted from the network.
*/
do_action( 'wpmu_delete_user', $id, $user );
$blogs = get_blogs_of_user( $id );
if ( ! empty( $blogs ) ) {
foreach ( $blogs as $blog ) {
switch_to_blog( $blog->userblog_id );
remove_user_from_blog( $id, $blog->userblog_id );
$post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_author = %d", $id ) );
foreach ( (array) $post_ids as $post_id ) {
wp_delete_post( $post_id );
}
// Clean links.
$link_ids = $wpdb->get_col( $wpdb->prepare( "SELECT link_id FROM $wpdb->links WHERE link_owner = %d", $id ) );
if ( $link_ids ) {
foreach ( $link_ids as $link_id ) {
wp_delete_link( $link_id );
}
}
restore_current_blog();
}
}
$meta = $wpdb->get_col( $wpdb->prepare( "SELECT umeta_id FROM $wpdb->usermeta WHERE user_id = %d", $id ) );
foreach ( $meta as $mid ) {
delete_metadata_by_mid( 'user', $mid );
}
$wpdb->delete( $wpdb->users, array( 'ID' => $id ) );
clean_user_cache( $user );
/** This action is documented in wp-admin/includes/user.php */
do_action( 'deleted_user', $id, null, $user );
return true;
}
/**
* Checks whether a site has used its allotted upload space.
*
* @since MU (3.0.0)
*
* @param bool $display_message Optional. If set to true and the quota is exceeded,
* a warning message is displayed. Default true.
* @return bool True if user is over upload space quota, otherwise false.
*/
function upload_is_user_over_quota( $display_message = true ) {
if ( get_site_option( 'upload_space_check_disabled' ) ) {
return false;
}
$space_allowed = get_space_allowed();
if ( ! is_numeric( $space_allowed ) ) {
$space_allowed = 10; // Default space allowed is 10 MB.
}
$space_used = get_space_used();
if ( ( $space_allowed - $space_used ) < 0 ) {
if ( $display_message ) {
printf(
/* translators: %s: Allowed space allocation. */
__( 'Sorry, you have used your space allocation of %s. Please delete some files to upload more files.' ),
size_format( $space_allowed * MB_IN_BYTES )
);
}
return true;
} else {
return false;
}
}
/**
* Displays the amount of disk space used by the current site. Not used in core.
*
* @since MU (3.0.0)
*/
function display_space_usage() {
$space_allowed = get_space_allowed();
$space_used = get_space_used();
$percent_used = ( $space_used / $space_allowed ) * 100;
$space = size_format( $space_allowed * MB_IN_BYTES );
?>
' . sprintf(
/* translators: 1: Site title. */
__( 'You attempted to access the "%1$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
) . '
';
$output .= '
' . __( '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.' ) . '
';
wp_die( $output, 403 );
}
/**
* Checks if the current user has permissions to import new users.
*
* @since 3.0.0
*
* @param string $permission A permission to be checked. Currently not used.
* @return bool True if the user has proper permissions, false if they do not.
*/
function check_import_new_users( $permission ) {
return current_user_can( 'manage_network_users' );
}
// See "import_allow_fetch_attachments" and "import_attachment_size_limit" filters too.
/**
* Generates and displays a drop-down of available languages.
*
* @since 3.0.0
*
* @param string[] $lang_files Optional. An array of the language files. Default empty array.
* @param string $current Optional. The current language code. Default empty.
*/
function mu_dropdown_languages( $lang_files = array(), $current = '' ) {
$flag = false;
$output = array();
foreach ( (array) $lang_files as $val ) {
$code_lang = basename( $val, '.mo' );
if ( 'en_US' === $code_lang ) { // American English.
$flag = true;
$ae = __( 'American English' );
$output[ $ae ] = '';
} elseif ( 'en_GB' === $code_lang ) { // British English.
$flag = true;
$be = __( 'British English' );
$output[ $be ] = '';
} else {
$translated = format_code_lang( $code_lang );
$output[ $translated ] = '';
}
}
if ( false === $flag ) { // WordPress English.
$output[] = '';
}
// Order by name.
uksort( $output, 'strnatcasecmp' );
/**
* Filters the languages available in the dropdown.
*
* @since MU (3.0.0)
*
* @param string[] $output Array of HTML output for the dropdown.
* @param string[] $lang_files Array of available language files.
* @param string $current The current language code.
*/
$output = apply_filters( 'mu_dropdown_languages', $output, $lang_files, $current );
echo implode( "\n\t", $output );
}
/**
* Displays an admin notice to upgrade all sites after a core upgrade.
*
* @since 3.0.0
*
* @global int $wp_db_version WordPress database version.
* @global string $pagenow The filename of the current screen.
*
* @return void|false Void on success. False if the current user is not a super admin.
*/
function site_admin_notice() {
global $wp_db_version, $pagenow;
if ( ! current_user_can( 'upgrade_network' ) ) {
return false;
}
if ( 'upgrade.php' === $pagenow ) {
return;
}
if ( (int) get_site_option( 'wpmu_upgrade_site' ) !== $wp_db_version ) {
$upgrade_network_message = sprintf(
/* translators: %s: URL to Upgrade Network screen. */
__( 'Thank you for updating! Please visit the Upgrade Network page to update all your sites.' ),
esc_url( network_admin_url( 'upgrade.php' ) )
);
wp_admin_notice(
$upgrade_network_message,
array(
'type' => 'warning',
'additional_classes' => array( 'update-nag', 'inline' ),
'paragraph_wrap' => false,
)
);
}
}
/**
* Avoids a collision between a site slug and a permalink slug.
*
* In a subdirectory installation this will make sure that a site and a post do not use the
* same subdirectory by checking for a site with the same name as a new post.
*
* @since 3.0.0
*
* @param array $data An array of post data.
* @param array $postarr An array of posts. Not currently used.
* @return array The new array of post data after checking for collisions.
*/
function avoid_blog_page_permalink_collision( $data, $postarr ) {
if ( is_subdomain_install() ) {
return $data;
}
if ( 'page' !== $data['post_type'] ) {
return $data;
}
if ( ! isset( $data['post_name'] ) || '' === $data['post_name'] ) {
return $data;
}
if ( ! is_main_site() ) {
return $data;
}
if ( isset( $data['post_parent'] ) && $data['post_parent'] ) {
return $data;
}
$post_name = $data['post_name'];
$c = 0;
while ( $c < 10 && get_id_from_blogname( $post_name ) ) {
$post_name .= mt_rand( 1, 10 );
++$c;
}
if ( $post_name !== $data['post_name'] ) {
$data['post_name'] = $post_name;
}
return $data;
}
/**
* Handles the display of choosing a user's primary site.
*
* This displays the user's primary site and allows the user to choose
* which site is primary.
*
* @since 3.0.0
*/
function choose_primary_blog() {
?>
1 ) {
$found = false;
?>
userblog_id );
}
} elseif ( 1 === count( $all_blogs ) ) {
$blog = reset( $all_blogs );
echo esc_url( get_home_url( $blog->userblog_id ) );
if ( $blog->userblog_id !== $primary_blog ) { // Set the primary blog again if it's out of sync with blog list.
update_user_meta( get_current_user_id(), 'primary_blog', $blog->userblog_id );
}
} else {
_e( 'Not available' );
}
?>
array(
'label' => __( 'Info' ),
'url' => 'site-info.php',
'cap' => 'manage_sites',
),
'site-users' => array(
'label' => __( 'Users' ),
'url' => 'site-users.php',
'cap' => 'manage_sites',
),
'site-themes' => array(
'label' => __( 'Themes' ),
'url' => 'site-themes.php',
'cap' => 'manage_sites',
),
'site-settings' => array(
'label' => __( 'Settings' ),
'url' => 'site-settings.php',
'cap' => 'manage_sites',
),
)
);
// Parse arguments.
$parsed_args = wp_parse_args(
$args,
array(
'blog_id' => isset( $_GET['blog_id'] ) ? (int) $_GET['blog_id'] : 0,
'links' => $links,
'selected' => 'site-info',
)
);
// Setup the links array.
$screen_links = array();
// Loop through tabs.
foreach ( $parsed_args['links'] as $link_id => $link ) {
// Skip link if user can't access.
if ( ! current_user_can( $link['cap'], $parsed_args['blog_id'] ) ) {
continue;
}
// Link classes.
$classes = array( 'nav-tab' );
// Aria-current attribute.
$aria_current = '';
// Selected is set by the parent OR assumed by the $pagenow global.
if ( $parsed_args['selected'] === $link_id || $link['url'] === $GLOBALS['pagenow'] ) {
$classes[] = 'nav-tab-active';
$aria_current = ' aria-current="page"';
}
// Escape each class.
$esc_classes = implode( ' ', $classes );
// Get the URL for this link.
$url = add_query_arg( array( 'id' => $parsed_args['blog_id'] ), network_admin_url( $link['url'] ) );
// Add link to nav links.
$screen_links[ $link_id ] = '' . esc_html( $link['label'] ) . '';
}
// All done!
echo '';
}
/**
* Returns the arguments for the help tab on the Edit Site screens.
*
* @since 4.9.0
*
* @return array Help tab arguments.
*/
function get_site_screen_help_tab_args() {
return array(
'id' => 'overview',
'title' => __( 'Overview' ),
'content' =>
'
' . __( 'The menu is for editing information specific to individual sites, particularly if the admin area of a site is unavailable.' ) . '
' .
'
' . __( 'Info — The site URL is rarely edited as this can cause the site to not work properly. The Registered date and Last Updated date are displayed. Network admins can mark a site as archived, spam, deleted and mature, to remove from public listings or disable.' ) . '
' .
'
' . __( 'Users — This displays the users associated with this site. You can also change their role, reset their password, or remove them from the site. Removing the user from the site does not remove the user from the network.' ) . '
' .
'
' . sprintf(
/* translators: %s: URL to Network Themes screen. */
__( 'Themes — This area shows themes that are not already enabled across the network. Enabling a theme in this menu makes it accessible to this site. It does not activate the theme, but allows it to show in the site’s Appearance menu. To enable a theme for the entire network, see the Network Themes screen.' ),
network_admin_url( 'themes.php' )
) . '
' .
'
' . __( 'Settings — This page shows a list of all settings associated with this site. Some are created by WordPress and others are created by plugins you activate. Note that some fields are grayed out and say Serialized Data. You cannot modify these values due to the way the setting is stored in the database.' ) . '
',
);
}
/**
* Returns the content for the help sidebar on the Edit Site screens.
*
* @since 4.9.0
*
* @return string Help sidebar content.
*/
function get_site_screen_help_sidebar_content() {
return '
';
}
/**
* Stop execution if the role can not be assigned by the current user.
*
* @since 6.8.0
*
* @param string $role Role the user is attempting to assign.
*/
function wp_ensure_editable_role( $role ) {
$roles = get_editable_roles();
if ( ! isset( $roles[ $role ] ) ) {
wp_die( __( 'Sorry, you are not allowed to give users that role.' ), 403 );
}
}