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<?php
/**
* Multisite administration functions.
*
* @package WordPress
* @subpackage Multisite
* @since 3.0.0
*/
/**
* Determine if uploaded file exceeds space quota.
*
* @since 3.0.0
*
* @param array $file $_FILES array for a given file.
* @return array $_FILES array 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 ) {
$file['error'] = sprintf( __( 'Not enough space to upload. %1$s KB needed.' ), number_format( ( $file_size - $space_left ) / KB_IN_BYTES ) );
}
if ( $file_size > ( KB_IN_BYTES * get_site_option( 'fileupload_maxk', 1500 ) ) ) {
$file['error'] = sprintf( __( 'This file is too big. Files must be less than %1$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'] ) && ( ! defined( 'DOING_AJAX' ) || ! DOING_AJAX ) ) {
wp_die( $file['error'] . ' <a href="javascript:history.go(-1)">' . __( 'Back' ) . '</a>' );
}
return $file;
}
/**
* Delete a site.
*
* @since 3.0.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param int $blog_id Site ID.
* @param bool $drop True if site's database tables should be dropped. Default is false.
*/
function wpmu_delete_blog( $blog_id, $drop = false ) {
global $wpdb;
$switch = false;
if ( get_current_blog_id() != $blog_id ) {
$switch = true;
switch_to_blog( $blog_id );
}
$blog = get_blog_details( $blog_id );
/**
* Fires before a site is deleted.
*
* @since MU
*
* @param int $blog_id The site ID.
* @param bool $drop True if site's table should be dropped. Default is false.
*/
do_action( 'delete_blog', $blog_id, $drop );
$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 );
$current_site = get_current_site();
// 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_site->path && $blog->domain == $current_site->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 ) {
$uploads = wp_get_upload_dir();
$tables = $wpdb->tables( 'blog' );
/**
* Filter the tables to drop when the site is deleted.
*
* @since MU
*
* @param array $tables The site tables to be dropped.
* @param int $blog_id The ID of the site to drop tables for.
*/
$drop_tables = apply_filters( 'wpmu_drop_tables', $tables, $blog_id );
foreach ( (array) $drop_tables as $table ) {
$wpdb->query( "DROP TABLE IF EXISTS `$table`" );
}
$wpdb->delete( $wpdb->blogs, array( 'blog_id' => $blog_id ) );
/**
* Filter the upload base directory to delete when the site is deleted.
*
* @since MU
*
* @param string $uploads['basedir'] Uploads path without subdirectory. @see wp_upload_dir()
* @param int $blog_id The site ID.
*/
$dir = apply_filters( 'wpmu_delete_blog_upload_dir', $uploads['basedir'], $blog_id );
$dir = rtrim( $dir, DIRECTORY_SEPARATOR );
$top_dir = $dir;
$stack = array($dir);
$index = 0;
while ( $index < count( $stack ) ) {
// Get indexed directory from stack
$dir = $stack[$index];
$dh = @opendir( $dir );
if ( $dh ) {
while ( ( $file = @readdir( $dh ) ) !== false ) {
if ( $file == '.' || $file == '..' )
continue;
if ( @is_dir( $dir . DIRECTORY_SEPARATOR . $file ) ) {
$stack[] = $dir . DIRECTORY_SEPARATOR . $file;
} elseif ( @is_file( $dir . DIRECTORY_SEPARATOR . $file ) ) {
@unlink( $dir . DIRECTORY_SEPARATOR . $file );
}
}
@closedir( $dh );
}
$index++;
}
$stack = array_reverse( $stack ); // Last added dirs are deepest
foreach ( (array) $stack as $dir ) {
if ( $dir != $top_dir)
@rmdir( $dir );
}
clean_blog_cache( $blog );
}
if ( $switch )
restore_current_blog();
}
/**
* Delete a user from the network and remove from all sites.
*
* @since 3.0.0
*
* @todo Merge with wp_delete_user() ?
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param int $id The user ID.
* @return bool True if the user was deleted, otherwise false.
*/
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
*
* @param int $id ID of the user about to be deleted from the network.
*/
do_action( 'wpmu_delete_user', $id );
$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 );
return true;
}
/**
* Sends an email when a site administrator email address is changed.
*
* @since 3.0.0
*
* @param string $old_value The old email address. Not currently used.
* @param string $value The new email address.
*/
function update_option_new_admin_email( $old_value, $value ) {
if ( $value == get_option( 'admin_email' ) || !is_email( $value ) )
return;
$hash = md5( $value. time() .mt_rand() );
$new_admin_email = array(
'hash' => $hash,
'newemail' => $value
);
update_option( 'adminhash', $new_admin_email );
/* translators: Do not translate USERNAME, ADMIN_URL, EMAIL, SITENAME, SITEURL: those are placeholders. */
$email_text = __( 'Howdy ###USERNAME###,
You recently requested to have the administration email address on
your site 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###' );
/**
* Filter the email text sent when the site admin email is changed.
*
* 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 new email.
* ###SITENAME### The name of the site.
* ###SITEURL### The URL to the site.
*
* @since MU
*
* @param string $email_text Text in the email.
* @param string $new_admin_email New admin email that the current administration email was changed to.
*/
$content = apply_filters( 'new_admin_email_content', $email_text, $new_admin_email );
$current_user = wp_get_current_user();
$content = str_replace( '###USERNAME###', $current_user->user_login, $content );
$content = str_replace( '###ADMIN_URL###', esc_url( self_admin_url( 'options.php?adminhash='.$hash ) ), $content );
$content = str_replace( '###EMAIL###', $value, $content );
$content = str_replace( '###SITENAME###', get_site_option( 'site_name' ), $content );
$content = str_replace( '###SITEURL###', network_home_url(), $content );
wp_mail( $value, sprintf( __( '[%s] New Admin Email Address' ), wp_specialchars_decode( get_option( 'blogname' ) ) ), $content );
}
/**
* Sends an email when an email address change is requested.
*
* @since 3.0.0
*
* @global WP_Error $errors WP_Error object.
* @global wpdb $wpdb WordPress database object.
*/
function send_confirmation_on_profile_email() {
global $errors, $wpdb;
$current_user = wp_get_current_user();
if ( ! is_object($errors) )
$errors = new WP_Error();
if ( $current_user->ID != $_POST['user_id'] )
return false;
if ( $current_user->user_email != $_POST['email'] ) {
if ( !is_email( $_POST['email'] ) ) {
$errors->add( 'user_email', __( "<strong>ERROR</strong>: The email address isn’t correct." ), array( 'form-field' => 'email' ) );
return;
}
if ( $wpdb->get_var( $wpdb->prepare( "SELECT user_email FROM {$wpdb->users} WHERE user_email=%s", $_POST['email'] ) ) ) {
$errors->add( 'user_email', __( "<strong>ERROR</strong>: The email address is already used." ), array( 'form-field' => 'email' ) );
delete_user_meta( $current_user->ID, '_new_email' );
return;
}
$hash = md5( $_POST['email'] . time() . mt_rand() );
$new_user_email = array(
'hash' => $hash,
'newemail' => $_POST['email']
);
update_user_meta( $current_user->ID, '_new_email', $new_user_email );
/* translators: Do not translate USERNAME, ADMIN_URL, EMAIL, SITENAME, SITEURL: those are placeholders. */
$email_text = __( 'Howdy ###USERNAME###,
You recently requested to have the email address on your account 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###' );
/**
* Filter the email text sent when a user changes emails.
*
* 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 new email.
* ###SITENAME### The name of the site.
* ###SITEURL### The URL to the site.
*
* @since MU
*
* @param string $email_text Text in the email.
* @param string $new_user_email New user email that the current user has changed to.
*/
$content = apply_filters( 'new_user_email_content', $email_text, $new_user_email );
$content = str_replace( '###USERNAME###', $current_user->user_login, $content );
$content = str_replace( '###ADMIN_URL###', esc_url( admin_url( 'profile.php?newuseremail='.$hash ) ), $content );
$content = str_replace( '###EMAIL###', $_POST['email'], $content);
$content = str_replace( '###SITENAME###', get_site_option( 'site_name' ), $content );
$content = str_replace( '###SITEURL###', network_home_url(), $content );
wp_mail( $_POST['email'], sprintf( __( '[%s] New Email Address' ), wp_specialchars_decode( get_option( 'blogname' ) ) ), $content );
$_POST['email'] = $current_user->user_email;
}
}
/**
* Adds an admin notice alerting the user to check for confirmation email
* after email address change.
*
* @since 3.0.0
*
* @global string $pagenow
*/
function new_user_email_admin_notice() {
global $pagenow;
if ( 'profile.php' === $pagenow && isset( $_GET['updated'] ) && $email = get_user_meta( get_current_user_id(), '_new_email', true ) ) {
/* translators: %s: New email address */
echo '<div class="notice notice-info"><p>' . sprintf( __( 'Your email address has not been updated yet. Please check your inbox at %s for a confirmation email.' ), '<code>' . esc_html( $email['newemail'] ) . '</code>' ) . '</p></div>';
}
}
/**
* Check whether a site has used its allotted upload space.
*
* @since MU
*
* @param bool $echo Optional. If $echo is set and the quota is exceeded, a warning message is echoed. Default is true.
* @return bool True if user is over upload space quota, otherwise false.
*/
function upload_is_user_over_quota( $echo = 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 ( $echo )
_e( 'Sorry, you have used your space allocation. Please delete some files to upload more files.' );
return true;
} else {
return false;
}
}
/**
* Displays the amount of disk space used by the current site. Not used in core.
*
* @since MU
*/
function display_space_usage() {
$space_allowed = get_space_allowed();
$space_used = get_space_used();
$percent_used = ( $space_used / $space_allowed ) * 100;
if ( $space_allowed > 1000 ) {
$space = number_format( $space_allowed / KB_IN_BYTES );
/* translators: Gigabytes */
$space .= __( 'GB' );
} else {
$space = number_format( $space_allowed );
/* translators: Megabytes */
$space .= __( 'MB' );
}
?>
<strong><?php printf( __( 'Used: %1$s%% of %2$s' ), number_format( $percent_used ), $space ); ?></strong>
<?php
}
/**
* Get the remaining upload space for this site.
*
* @since MU
*
* @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 $quota; ?>" />
<span id="blog-upload-space-desc"><span class="screen-reader-text"><?php _e( 'Size in megabytes' ); ?></span> <?php _e( 'MB (Leave blank for network default)' ); ?></span>
</td>
</tr>
<?php
}
/**
* Update the status of a user in the database.
*
* Used in core to mark a user as spam or "ham" (not spam) in Multisite.
*
* @since 3.0.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param int $id The user ID.
* @param string $pref The column in the wp_users table to update the user's status
* in (presumably user_status, spam, or deleted).
* @param int $value The new status for the user.
* @param null $deprecated Deprecated as of 3.0.2 and should not be used.
* @return int The initially passed $value.
*/
function update_user_status( $id, $pref, $value, $deprecated = null ) {
global $wpdb;
if ( null !== $deprecated )
_deprecated_argument( __FUNCTION__, '3.1' );
$wpdb->update( $wpdb->users, array( sanitize_key( $pref ) => $value ), array( 'ID' => $id ) );
$user = new WP_User( $id );
clean_user_cache( $user );
if ( $pref == 'spam' ) {
if ( $value == 1 ) {
/**
* Fires after the user is marked as a SPAM user.
*
* @since 3.0.0
*
* @param int $id ID of the user marked as SPAM.
*/
do_action( 'make_spam_user', $id );
} else {
/**
* Fires after the user is marked as a HAM user. Opposite of SPAM.
*
* @since 3.0.0
*
* @param int $id ID of the user marked as HAM.
*/
do_action( 'make_ham_user', $id );
}
}
return $value;
}
/**
* Cleans the user cache for a specific user.
*
* @since 3.0.0
*
* @param int $id The user ID.
* @return bool|int The ID of the refreshed user or false if the user does not exist.
*/
function refresh_user_details( $id ) {
$id = (int) $id;
if ( !$user = get_userdata( $id ) )
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' );
/**
* Filter the language codes.
*
* @since MU
*
* @param array $lang_codes Key/value pair 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 );
}
/**
* Synchronize category and post tag slugs when global terms are enabled.
*
* @since 3.0.0
*
* @param object $term The term.
* @param string $taxonomy The taxonomy for $term. Should be 'category' or 'post_tag', as these are
* the only taxonomies which are processed by this function; anything else
* will be returned untouched.
* @return object|array Returns `$term`, after filtering the 'slug' field with {@see sanitize_title()}
* if $taxonomy is 'category' or 'post_tag'.
*/
function sync_category_tag_slugs( $term, $taxonomy ) {
if ( global_terms_enabled() && ( $taxonomy == 'category' || $taxonomy == 'post_tag' ) ) {
if ( is_object( $term ) ) {
$term->slug = sanitize_title( $term->name );
} else {
$term['slug'] = sanitize_title( $term['name'] );
}
}
return $term;
}
/**
* 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( $blogs ) )
wp_die( sprintf( __( 'You attempted to access the "%1$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 );
$output = '<p>' . sprintf( __( 'You attempted to access the "%1$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 ( !is_super_admin() )
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 array $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 ( $code_lang == 'en_US' ) { // American English
$flag = true;
$ae = __( 'American English' );
$output[$ae] = '<option value="' . esc_attr( $code_lang ) . '"' . selected( $current, $code_lang, false ) . '> ' . $ae . '</option>';
} elseif ( $code_lang == 'en_GB' ) { // 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 ( $flag === false ) // WordPress english
$output[] = '<option value=""' . selected( $current, '', false ) . '>' . __( 'English' ) . "</option>";
// Order by name
uksort( $output, 'strnatcasecmp' );
/**
* Filter the languages available in the dropdown.
*
* @since MU
*
* @param array $output HTML output of the dropdown.
* @param array $lang_files 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 The version number of the database.
* @global string $pagenow
*
* @return false False if the current user is not a super admin.
*/
function site_admin_notice() {
global $wp_db_version, $pagenow;
if ( ! is_super_admin() ) {
return false;
}
if ( 'upgrade.php' == $pagenow ) {
return;
}
if ( get_site_option( 'wpmu_upgrade_site' ) != $wp_db_version ) {
echo "<div class='update-nag'>" . sprintf( __( 'Thank you for Updating! Please visit the <a href="%s">Upgrade Network</a> page to update all your sites.' ), esc_url( network_admin_url( 'upgrade.php' ) ) ) . "</div>";
}
}
/**
* Avoids a collision between a site slug and a permalink slug.
*
* In a subdirectory install 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 ( $data['post_type'] != 'page' )
return $data;
if ( !isset( $data['post_name'] ) || $data['post_name'] == '' )
return $data;
if ( !is_main_site() )
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">
<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 = 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 ( $primary_blog == $blog->userblog_id )
$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 ( count( $all_blogs ) == 1 ) {
$blog = reset( $all_blogs );
echo esc_url( get_home_url( $blog->userblog_id ) );
if ( $primary_blog != $blog->userblog_id ) // 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 {
echo "N/A";
}
?>
</td>
</tr>
</table>
<?php
}
/**
* Grants Super Admin privileges.
*
* @since 3.0.0
*
* @global array $super_admins
*
* @param int $user_id ID of the user to be granted Super Admin privileges.
* @return bool True on success, false on failure. This can fail when the user is
* already a super admin or when the `$super_admins` global is defined.
*/
function grant_super_admin( $user_id ) {
// If global super_admins override is defined, there is nothing to do here.
if ( isset( $GLOBALS['super_admins'] ) ) {
return false;
}
/**
* Fires before the user is granted Super Admin privileges.
*
* @since 3.0.0
*
* @param int $user_id ID of the user that is about to be granted Super Admin privileges.
*/
do_action( 'grant_super_admin', $user_id );
// Directly fetch site_admins instead of using get_super_admins()
$super_admins = get_site_option( 'site_admins', array( 'admin' ) );
$user = get_userdata( $user_id );
if ( $user && ! in_array( $user->user_login, $super_admins ) ) {
$super_admins[] = $user->user_login;
update_site_option( 'site_admins' , $super_admins );
/**
* Fires after the user is granted Super Admin privileges.
*
* @since 3.0.0
*
* @param int $user_id ID of the user that was granted Super Admin privileges.
*/
do_action( 'granted_super_admin', $user_id );
return true;
}
return false;
}
/**
* Revokes Super Admin privileges.
*
* @since 3.0.0
*
* @global array $super_admins
*
* @param int $user_id ID of the user Super Admin privileges to be revoked from.
* @return bool True on success, false on failure. This can fail when the user's email
* is the network admin email or when the `$super_admins` global is defined.
*/
function revoke_super_admin( $user_id ) {
// If global super_admins override is defined, there is nothing to do here.
if ( isset( $GLOBALS['super_admins'] ) ) {
return false;
}
/**
* Fires before the user's Super Admin privileges are revoked.
*
* @since 3.0.0
*
* @param int $user_id ID of the user Super Admin privileges are being revoked from.
*/
do_action( 'revoke_super_admin', $user_id );
// Directly fetch site_admins instead of using get_super_admins()
$super_admins = get_site_option( 'site_admins', array( 'admin' ) );
$user = get_userdata( $user_id );
if ( $user && 0 !== strcasecmp( $user->user_email, get_site_option( 'admin_email' ) ) ) {
if ( false !== ( $key = array_search( $user->user_login, $super_admins ) ) ) {
unset( $super_admins[$key] );
update_site_option( 'site_admins', $super_admins );
/**
* Fires after the user's Super Admin privileges are revoked.
*
* @since 3.0.0
*
* @param int $user_id ID of the user Super Admin privileges were revoked from.
*/
do_action( 'revoked_super_admin', $user_id );
return true;
}
}
return false;
}
/**
* Whether or not we can edit this network from this page.
*
* By default editing of network is restricted to the Network Admin for that `$site_id`
* this allows for this to be overridden.
*
* @since 3.1.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param int $site_id The network/site ID to check.
* @return bool True if network can be edited, otherwise false.
*/
function can_edit_network( $site_id ) {
global $wpdb;
if ( $site_id == $wpdb->siteid )
$result = true;
else
$result = false;
/**
* Filter 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 $site_id The network/site ID to check.
*/
return apply_filters( 'can_edit_network', $result, $site_id );
}
/**
* 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
*/
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">
<?php foreach ( ( $allusers = (array) $_POST['allusers'] ) as $user_id ) {
if ( $user_id != '' && $user_id != '0' ) {
$delete_user = get_userdata( $user_id );
if ( ! current_user_can( 'delete_user', $delete_user->ID ) ) {
wp_die( sprintf( __( 'Warning! User %s cannot be deleted.' ), $delete_user->user_login ) );
}
if ( in_array( $delete_user->user_login, $site_admins ) ) {
wp_die( sprintf( __( '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: 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">' . __( '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( $user->ID, $allusers ) ) {
$user_list .= "<option value='{$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 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><fieldset><p><legend><?php _e( 'User has no sites or content and will be deleted.' ); ?></legend></p>
<?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( $users ) ) : ?>
<p><?php _e( 'Once you hit “Confirm Deletion”, the user will be permanently removed.' ); ?></p>
<?php else : ?>
<p><?php _e( 'Once you hit “Confirm Deletion”, these users will be permanently removed.' ); ?></p>
<?php endif;
submit_button( __('Confirm Deletion'), 'primary' );
?>
</form>
<?php
return true;
}
/**
* Print JavaScript in the header on the Network Settings screen.
*
* @since 4.1.0
*/
function network_settings_add_js() {
?>
<script type="text/javascript">
jQuery(document).ready( function($) {
var languageSelect = $( '#WPLANG' );
$( 'form' ).submit( function() {
// Don't show a spinner for English and installed languages,
// as there is nothing to download.
if ( ! languageSelect.find( 'option:selected' ).data( 'installed' ) ) {
$( '#submit', this ).after( '<span class="spinner language-install-spinner" />' );
}
});
});
</script>
<?php
}