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ms.php
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<?php
/**
* Multisite administration functions.
*
* @package WordPress
* @subpackage Multisite
* @since 3.0.0
*/
/**
* Determines whether uploaded file exceeds space quota.
*
* @since 3.0.0
*
* @param array $file An element from the `$_FILES` array for a given file.
* @return array The `$_FILES` array element with 'error' key set if file exceeds quota. 'error' is empty otherwise.
*/
function check_upload_size( $file ) {
if ( get_site_option( 'upload_space_check_disabled' ) ) {
return $file;
}
if ( $file['error'] > 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'] . ' <a href="javascript:history.go(-1)">' . __( 'Back' ) . '</a>' );
}
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-blogs.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-blogs.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 ) ) {
$original_state = get_site_state();
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 the original site state once after processing all sites.
restore_site_state( $original_state );
}
$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( $space_allowed * MB_IN_BYTES );
?>
<strong>
<?php
/* translators: Storage space that's been used. 1: Percentage of used space, 2: Total space allowed in megabytes or gigabytes. */
printf( __( 'Used: %1$s%% of %2$s' ), number_format( $percent_used ), $space );
?>
</strong>
<?php
}
/**
* Gets the remaining upload space for this site.
*
* @since MU (3.0.0)
*
* @param int $size Current max size in bytes.
* @return int Max size in bytes.
*/
function fix_import_form_size( $size ) {
if ( upload_is_user_over_quota( false ) ) {
return 0;
}
$available = get_upload_space_available();
return min( $size, $available );
}
/**
* Displays the site upload space quota setting form on the Edit Site Settings screen.
*
* @since 3.0.0
*
* @param int $id The ID of the site to display the setting for.
*/
function upload_space_setting( $id ) {
switch_to_blog( $id );
$quota = get_option( 'blog_upload_space' );
restore_current_blog();
if ( ! $quota ) {
$quota = '';
}
?>
<tr>
<th><label for="blog-upload-space-number"><?php _e( 'Site Upload Space Quota' ); ?></label></th>
<td>
<input type="number" step="1" min="0" style="width: 100px"
name="option[blog_upload_space]" id="blog-upload-space-number"
aria-describedby="blog-upload-space-desc" value="<?php echo esc_attr( $quota ); ?>" />
<span id="blog-upload-space-desc"><span class="screen-reader-text">
<?php
/* translators: Hidden accessibility text. */
_e( 'Size in megabytes' );
?>
</span> <?php _e( 'MB (Leave blank for network default)' ); ?></span>
</td>
</tr>
<?php
}
/**
* Cleans the user cache for a specific user.
*
* @since 3.0.0
*
* @param int $id The user ID.
* @return int|false The ID of the refreshed user or false if the user does not exist.
*/
function refresh_user_details( $id ) {
$id = (int) $id;
$user = get_userdata( $id );
if ( ! $user ) {
return false;
}
clean_user_cache( $user );
return $id;
}
/**
* Returns the language for a language code.
*
* @since 3.0.0
*
* @param string $code Optional. The two-letter language code. Default empty.
* @return string The language corresponding to $code if it exists. If it does not exist,
* then the first two letters of $code is returned.
*/
function format_code_lang( $code = '' ) {
$code = strtolower( substr( $code, 0, 2 ) );
$lang_codes = array(
'aa' => 'Afar',
'ab' => 'Abkhazian',
'af' => 'Afrikaans',
'ak' => 'Akan',
'sq' => 'Albanian',
'am' => 'Amharic',
'ar' => 'Arabic',
'an' => 'Aragonese',
'hy' => 'Armenian',
'as' => 'Assamese',
'av' => 'Avaric',
'ae' => 'Avestan',
'ay' => 'Aymara',
'az' => 'Azerbaijani',
'ba' => 'Bashkir',
'bm' => 'Bambara',
'eu' => 'Basque',
'be' => 'Belarusian',
'bn' => 'Bengali',
'bh' => 'Bihari',
'bi' => 'Bislama',
'bs' => 'Bosnian',
'br' => 'Breton',
'bg' => 'Bulgarian',
'my' => 'Burmese',
'ca' => 'Catalan; Valencian',
'ch' => 'Chamorro',
'ce' => 'Chechen',
'zh' => 'Chinese',
'cu' => 'Church Slavic; Old Slavonic; Church Slavonic; Old Bulgarian; Old Church Slavonic',
'cv' => 'Chuvash',
'kw' => 'Cornish',
'co' => 'Corsican',
'cr' => 'Cree',
'cs' => 'Czech',
'da' => 'Danish',
'dv' => 'Divehi; Dhivehi; Maldivian',
'nl' => 'Dutch; Flemish',
'dz' => 'Dzongkha',
'en' => 'English',
'eo' => 'Esperanto',
'et' => 'Estonian',
'ee' => 'Ewe',
'fo' => 'Faroese',
'fj' => 'Fijjian',
'fi' => 'Finnish',
'fr' => 'French',
'fy' => 'Western Frisian',
'ff' => 'Fulah',
'ka' => 'Georgian',
'de' => 'German',
'gd' => 'Gaelic; Scottish Gaelic',
'ga' => 'Irish',
'gl' => 'Galician',
'gv' => 'Manx',
'el' => 'Greek, Modern',
'gn' => 'Guarani',
'gu' => 'Gujarati',
'ht' => 'Haitian; Haitian Creole',
'ha' => 'Hausa',
'he' => 'Hebrew',
'hz' => 'Herero',
'hi' => 'Hindi',
'ho' => 'Hiri Motu',
'hu' => 'Hungarian',
'ig' => 'Igbo',
'is' => 'Icelandic',
'io' => 'Ido',
'ii' => 'Sichuan Yi',
'iu' => 'Inuktitut',
'ie' => 'Interlingue',
'ia' => 'Interlingua (International Auxiliary Language Association)',
'id' => 'Indonesian',
'ik' => 'Inupiaq',
'it' => 'Italian',
'jv' => 'Javanese',
'ja' => 'Japanese',
'kl' => 'Kalaallisut; Greenlandic',
'kn' => 'Kannada',
'ks' => 'Kashmiri',
'kr' => 'Kanuri',
'kk' => 'Kazakh',
'km' => 'Central Khmer',
'ki' => 'Kikuyu; Gikuyu',
'rw' => 'Kinyarwanda',
'ky' => 'Kirghiz; Kyrgyz',
'kv' => 'Komi',
'kg' => 'Kongo',
'ko' => 'Korean',
'kj' => 'Kuanyama; Kwanyama',
'ku' => 'Kurdish',
'lo' => 'Lao',
'la' => 'Latin',
'lv' => 'Latvian',
'li' => 'Limburgan; Limburger; Limburgish',
'ln' => 'Lingala',
'lt' => 'Lithuanian',
'lb' => 'Luxembourgish; Letzeburgesch',
'lu' => 'Luba-Katanga',
'lg' => 'Ganda',
'mk' => 'Macedonian',
'mh' => 'Marshallese',
'ml' => 'Malayalam',
'mi' => 'Maori',
'mr' => 'Marathi',
'ms' => 'Malay',
'mg' => 'Malagasy',
'mt' => 'Maltese',
'mo' => 'Moldavian',
'mn' => 'Mongolian',
'na' => 'Nauru',
'nv' => 'Navajo; Navaho',
'nr' => 'Ndebele, South; South Ndebele',
'nd' => 'Ndebele, North; North Ndebele',
'ng' => 'Ndonga',
'ne' => 'Nepali',
'nn' => 'Norwegian Nynorsk; Nynorsk, Norwegian',
'nb' => 'Bokmål, Norwegian, Norwegian Bokmål',
'no' => 'Norwegian',
'ny' => 'Chichewa; Chewa; Nyanja',
'oc' => 'Occitan, Provençal',
'oj' => 'Ojibwa',
'or' => 'Oriya',
'om' => 'Oromo',
'os' => 'Ossetian; Ossetic',
'pa' => 'Panjabi; Punjabi',
'fa' => 'Persian',
'pi' => 'Pali',
'pl' => 'Polish',
'pt' => 'Portuguese',
'ps' => 'Pushto',
'qu' => 'Quechua',
'rm' => 'Romansh',
'ro' => 'Romanian',
'rn' => 'Rundi',
'ru' => 'Russian',
'sg' => 'Sango',
'sa' => 'Sanskrit',
'sr' => 'Serbian',
'hr' => 'Croatian',
'si' => 'Sinhala; Sinhalese',
'sk' => 'Slovak',
'sl' => 'Slovenian',
'se' => 'Northern Sami',
'sm' => 'Samoan',
'sn' => 'Shona',
'sd' => 'Sindhi',
'so' => 'Somali',
'st' => 'Sotho, Southern',
'es' => 'Spanish; Castilian',
'sc' => 'Sardinian',
'ss' => 'Swati',
'su' => 'Sundanese',
'sw' => 'Swahili',
'sv' => 'Swedish',
'ty' => 'Tahitian',
'ta' => 'Tamil',
'tt' => 'Tatar',
'te' => 'Telugu',
'tg' => 'Tajik',
'tl' => 'Tagalog',
'th' => 'Thai',
'bo' => 'Tibetan',
'ti' => 'Tigrinya',
'to' => 'Tonga (Tonga Islands)',
'tn' => 'Tswana',
'ts' => 'Tsonga',
'tk' => 'Turkmen',
'tr' => 'Turkish',
'tw' => 'Twi',
'ug' => 'Uighur; Uyghur',
'uk' => 'Ukrainian',
'ur' => 'Urdu',
'uz' => 'Uzbek',
've' => 'Venda',
'vi' => 'Vietnamese',
'vo' => 'Volapük',
'cy' => 'Welsh',
'wa' => 'Walloon',
'wo' => 'Wolof',
'xh' => 'Xhosa',
'yi' => 'Yiddish',
'yo' => 'Yoruba',
'za' => 'Zhuang; Chuang',
'zu' => 'Zulu',
);
/**
* Filters the language codes.
*
* @since MU (3.0.0)
*
* @param string[] $lang_codes Array of key/value pairs of language codes where key is the short version.
* @param string $code A two-letter designation of the language.
*/
$lang_codes = apply_filters( 'lang_codes', $lang_codes, $code );
return strtr( $code, $lang_codes );
}
/**
* Displays an access denied message when a user tries to view a site's dashboard they
* do not have access to.
*
* @since 3.2.0
* @access private
*/
function _access_denied_splash() {
if ( ! is_user_logged_in() || is_network_admin() ) {
return;
}
$blogs = get_blogs_of_user( get_current_user_id() );
if ( wp_list_filter( $blogs, array( 'userblog_id' => get_current_blog_id() ) ) ) {
return;
}
$blog_name = get_bloginfo( 'name' );
if ( empty( $blogs ) ) {
wp_die(
sprintf(
/* translators: 1: Site title. */
__( 'You attempted to access the "%1$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
),
403
);
}
$output = '<p>' . sprintf(
/* translators: 1: Site title. */
__( 'You attempted to access the "%1$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
) . '</p>';
$output .= '<p>' . __( 'If you reached this screen by accident and meant to visit one of your own sites, here are some shortcuts to help you find your way.' ) . '</p>';
$output .= '<h3>' . __( 'Your Sites' ) . '</h3>';
$output .= '<table>';
foreach ( $blogs as $blog ) {
$output .= '<tr>';
$output .= "<td>{$blog->blogname}</td>";
$output .= '<td><a href="' . esc_url( get_admin_url( $blog->userblog_id ) ) . '">' . __( 'Visit Dashboard' ) . '</a> | ' .
'<a href="' . esc_url( get_home_url( $blog->userblog_id ) ) . '">' . __( 'View Site' ) . '</a></td>';
$output .= '</tr>';
}
$output .= '</table>';
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 ) {
if ( ! current_user_can( 'manage_network_users' ) ) {
return false;
}
return true;
}
// 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 ] = '<option value="' . esc_attr( $code_lang ) . '"' . selected( $current, $code_lang, false ) . '> ' . $ae . '</option>';
} elseif ( 'en_GB' === $code_lang ) { // British English.
$flag = true;
$be = __( 'British English' );
$output[ $be ] = '<option value="' . esc_attr( $code_lang ) . '"' . selected( $current, $code_lang, false ) . '> ' . $be . '</option>';
} else {
$translated = format_code_lang( $code_lang );
$output[ $translated ] = '<option value="' . esc_attr( $code_lang ) . '"' . selected( $current, $code_lang, false ) . '> ' . esc_html( $translated ) . '</option>';
}
}
if ( false === $flag ) { // WordPress English.
$output[] = '<option value=""' . selected( $current, '', false ) . '>' . __( 'English' ) . '</option>';
}
// 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 <a href="%s">Upgrade Network</a> 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() {
?>
<table class="form-table" role="presentation">
<tr>
<?php /* translators: My Sites label. */ ?>
<th scope="row"><label for="primary_blog"><?php _e( 'Primary Site' ); ?></label></th>
<td>
<?php
$all_blogs = get_blogs_of_user( get_current_user_id() );
$primary_blog = (int) get_user_meta( get_current_user_id(), 'primary_blog', true );
if ( count( $all_blogs ) > 1 ) {
$found = false;
?>
<select name="primary_blog" id="primary_blog">
<?php
foreach ( (array) $all_blogs as $blog ) {
if ( $blog->userblog_id === $primary_blog ) {
$found = true;
}
?>
<option value="<?php echo $blog->userblog_id; ?>"<?php selected( $primary_blog, $blog->userblog_id ); ?>><?php echo esc_url( get_home_url( $blog->userblog_id ) ); ?></option>
<?php
}
?>
</select>
<?php
if ( ! $found ) {
$blog = reset( $all_blogs );
update_user_meta( get_current_user_id(), 'primary_blog', $blog->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', $blog->userblog_id );
}
} else {
_e( 'Not available' );
}
?>
</td>
</tr>
</table>
<?php
}
/**
* Determines whether or not this network from this page can be edited.
*
* By default editing of network is restricted to the Network Admin for that `$network_id`.
* This function allows for this to be overridden.
*
* @since 3.1.0
*
* @param int $network_id The network ID to check.
* @return bool True if network can be edited, false otherwise.
*/
function can_edit_network( $network_id ) {
if ( get_current_network_id() === (int) $network_id ) {
$result = true;
} else {
$result = false;
}
/**
* Filters whether this network can be edited from this page.
*
* @since 3.1.0
*
* @param bool $result Whether the network can be edited from this page.
* @param int $network_id The network ID to check.
*/
return apply_filters( 'can_edit_network', $result, $network_id );
}
/**
* Prints thickbox image paths for Network Admin.
*
* @since 3.1.0
*
* @access private
*/
function _thickbox_path_admin_subfolder() {
?>
<script type="text/javascript">
var tb_pathToImage = "<?php echo esc_js( includes_url( 'js/thickbox/loadingAnimation.gif', 'relative' ) ); ?>";
</script>
<?php
}
/**
* @param array $users
* @return bool
*/
function confirm_delete_users( $users ) {
$current_user = wp_get_current_user();
if ( ! is_array( $users ) || empty( $users ) ) {
return false;
}
?>
<h1><?php esc_html_e( 'Users' ); ?></h1>
<?php if ( 1 === count( $users ) ) : ?>
<p><?php _e( 'You have chosen to delete the user from all networks and sites.' ); ?></p>
<?php else : ?>
<p><?php _e( 'You have chosen to delete the following users from all networks and sites.' ); ?></p>
<?php endif; ?>
<form action="users.php?action=dodelete" method="post">
<input type="hidden" name="dodelete" />
<?php
wp_nonce_field( 'ms-users-delete' );
$site_admins = get_super_admins();
$admin_out = '<option value="' . esc_attr( $current_user->ID ) . '">' . $current_user->user_login . '</option>';
?>
<table class="form-table" role="presentation">
<?php
$allusers = (array) $_POST['allusers'];
foreach ( $allusers as $user_id ) {
if ( '' !== $user_id && '0' !== $user_id ) {
$delete_user = get_userdata( $user_id );
if ( ! current_user_can( 'delete_user', $delete_user->ID ) ) {
wp_die(
sprintf(
/* translators: %s: User login. */
__( 'Warning! User %s cannot be deleted.' ),
$delete_user->user_login
)
);
}
if ( in_array( $delete_user->user_login, $site_admins, true ) ) {
wp_die(
sprintf(
/* translators: %s: User login. */
__( 'Warning! User cannot be deleted. The user %s is a network administrator.' ),
'<em>' . $delete_user->user_login . '</em>'
)
);
}
?>
<tr>
<th scope="row"><?php echo $delete_user->user_login; ?>
<?php echo '<input type="hidden" name="user[]" value="' . esc_attr( $user_id ) . '" />' . "\n"; ?>
</th>
<?php
$blogs = get_blogs_of_user( $user_id, true );
if ( ! empty( $blogs ) ) {
?>
<td><fieldset><p><legend>
<?php
printf(
/* translators: %s: User login. */
__( 'What should be done with content owned by %s?' ),
'<em>' . $delete_user->user_login . '</em>'
);
?>
</legend></p>
<?php
foreach ( (array) $blogs as $key => $details ) {
$blog_users = get_users(
array(
'blog_id' => $details->userblog_id,
'fields' => array( 'ID', 'user_login' ),
)
);
if ( is_array( $blog_users ) && ! empty( $blog_users ) ) {
$user_site = "<a href='" . esc_url( get_home_url( $details->userblog_id ) ) . "'>{$details->blogname}</a>";
$user_dropdown = '<label for="reassign_user" class="screen-reader-text">' .
/* translators: Hidden accessibility text. */
__( 'Select a user' ) .
'</label>';
$user_dropdown .= "<select name='blog[$user_id][$key]' id='reassign_user'>";
$user_list = '';
foreach ( $blog_users as $user ) {
if ( ! in_array( (int) $user->ID, $allusers, true ) ) {
$user_list .= "<option value='{$user->ID}'>{$user->user_login}</option>";
}
}
if ( '' === $user_list ) {
$user_list = $admin_out;
}
$user_dropdown .= $user_list;
$user_dropdown .= "</select>\n";
?>
<ul style="list-style:none;">
<li>
<?php
/* translators: %s: Link to user's site. */
printf( __( 'Site: %s' ), $user_site );
?>
</li>
<li><label><input type="radio" id="delete_option0" name="delete[<?php echo $details->userblog_id . '][' . $delete_user->ID; ?>]" value="delete" checked="checked" />
<?php _e( 'Delete all content.' ); ?></label></li>
<li><label><input type="radio" id="delete_option1" name="delete[<?php echo $details->userblog_id . '][' . $delete_user->ID; ?>]" value="reassign" />
<?php _e( 'Attribute all content to:' ); ?></label>
<?php echo $user_dropdown; ?></li>
</ul>
<?php
}
}
echo '</fieldset></td></tr>';
} else {
?>
<td><p><?php _e( 'User has no sites or content and will be deleted.' ); ?></p></td>
<?php } ?>
</tr>
<?php
}
}
?>
</table>
<?php
/** This action is documented in wp-admin/users.php */
do_action( 'delete_user_form', $current_user, $allusers );
if ( 1 === count( $users ) ) :
?>
<p><?php _e( 'Once you hit “Confirm Deletion”, the user will be permanently removed.' ); ?></p>
<?php else : ?>
<p><?php _e( 'Once you hit “Confirm Deletion”, these users will be permanently removed.' ); ?></p>
<?php
endif;
submit_button( __( 'Confirm Deletion' ), 'primary' );