<?php
/**
* Deprecated functions from WordPress MU and the multisite feature. You shouldn't
* use these functions and look for the alternatives instead. The functions will be
* removed in a later version.
*
* @package WordPress
* @subpackage Deprecated
* @since 3.0.0
*/
/*
* Deprecated functions come here to die.
*/
/**
* Get the "dashboard blog", the blog where users without a blog edit their profile data.
* Dashboard blog functionality was removed in WordPress 3.1, replaced by the user admin.
*
* @since MU (3.0.0)
* @deprecated 3.1.0 Use get_site()
* @see get_site()
*
* @return WP_Site Current site object.
*/
function get_dashboard_blog() {
_deprecated_function( __FUNCTION__, '3.1.0', 'get_site()' );
if ( $blog = get_site_option( 'dashboard_blog' ) ) {
return get_site( $blog );
}
return get_site( get_network()->site_id );
}
/**
* Generates a random password.
*
* @since MU (3.0.0)
* @deprecated 3.0.0 Use wp_generate_password()
* @see wp_generate_password()
*
* @param int $len Optional. The length of password to generate. Default 8.
*/
function generate_random_password( $len = 8 ) {
_deprecated_function( __FUNCTION__, '3.0.0', 'wp_generate_password()' );
return wp_generate_password( $len );
}
/**
* Determine if user is a site admin.
*
* Plugins should use is_multisite() instead of checking if this function exists
* to determine if multisite is enabled.
*
* This function must reside in a file included only if is_multisite() due to
* legacy function_exists() checks to determine if multisite is enabled.
*
* @since MU (3.0.0)
* @deprecated 3.0.0 Use is_super_admin()
* @see is_super_admin()
*
* @param string $user_login Optional. Username for the user to check. Default empty.
*/
function is_site_admin( $user_login = '' ) {
_deprecated_function( __FUNCTION__, '3.0.0', 'is_super_admin()' );
if ( empty( $user_login ) ) {
$user_id = get_current_user_id();
if ( !$user_id )
return false;
} else {
$user = get_user_by( 'login', $user_login );
if ( ! $user->exists() )
return false;
$user_id = $user->ID;
}
return is_super_admin( $user_id );
}
if ( !function_exists( 'graceful_fail' ) ) :
/**
* Deprecated functionality to gracefully fail.
*
* @since MU (3.0.0)
* @deprecated 3.0.0 Use wp_die()
* @see wp_die()
*/
function graceful_fail( $message ) {
_deprecated_function( __FUNCTION__, '3.0.0', 'wp_die()' );
$message = apply_filters( 'graceful_fail', $message );
$message_template = apply_filters( 'graceful_fail_template',
'<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"><head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Error!</title>
<style type="text/css">
img {
border: 0;
}
body {
line-height: 1.6em; font-family: Georgia, serif; width: 390px; margin: auto;
text-align: center;
}
.message {
font-size: 22px;
width: 350px;
margin: auto;
}
</style>
</head>
<body>
<p class="message">%s</p>
</body>
</html>' );
die( sprintf( $message_template, $message ) );
}
endif;
/**
* Deprecated functionality to retrieve user information.
*
* @since MU (3.0.0)
* @deprecated 3.0.0 Use get_user_by()
* @see get_user_by()
*
* @param string $username Username.
*/
function get_user_details( $username ) {
_deprecated_function( __FUNCTION__, '3.0.0', 'get_user_by()' );
return get_user_by('login', $username);
}
/**
* Deprecated functionality to clear the global post cache.
*
* @since MU (3.0.0)
* @deprecated 3.0.0 Use clean_post_cache()
* @see clean_post_cache()
*
* @param int $post_id Post ID.
*/
function clear_global_post_cache( $post_id ) {
_deprecated_function( __FUNCTION__, '3.0.0', 'clean_post_cache()' );
}
/**
* Deprecated functionality to determin if the current site is the main site.
*
* @since MU (3.0.0)
* @deprecated 3.0.0 Use is_main_site()
* @see is_main_site()
*/
function is_main_blog() {
_deprecated_function( __FUNCTION__, '3.0.0', 'is_main_site()' );
return is_main_site();
}
/**
* Deprecated functionality to validate an email address.
*
* @since MU (3.0.0)
* @deprecated 3.0.0 Use is_email()
* @see is_email()
*
* @param string $email Email address to verify.
* @param bool $check_domain Deprecated.
* @return string|bool Either false or the valid email address.
*/
function validate_email( $email, $check_domain = true) {
_deprecated_function( __FUNCTION__, '3.0.0', 'is_email()' );
return is_email( $email, $check_domain );
}
/**
* Deprecated functionality to retrieve a list of all sites.
*
* @since MU (3.0.0)
* @deprecated 3.0.0 Use wp_get_sites()
* @see wp_get_sites()
*
* @param int $start Optional. Offset for retrieving the blog list. Default 0.
* @param int $num Optional. Number of blogs to list. Default 10.
* @param string $deprecated Unused.
*/
function get_blog_list( $start = 0, $num = 10, $deprecated = '' ) {
_deprecated_function( __FUNCTION__, '3.0.0', 'wp_get_sites()' );
global $wpdb;
$blogs = $wpdb->get_results( $wpdb->prepare( "SELECT blog_id, domain, path FROM $wpdb->blogs WHERE site_id = %d AND public = '1' AND archived = '0' AND mature = '0' AND spam = '0' AND deleted = '0' ORDER BY registered DESC", get_current_network_id() ), ARRAY_A );
$blog_list = array();
foreach ( (array) $blogs as $details ) {
$blog_list[ $details['blog_id'] ] = $details;
$blog_list[ $details['blog_id'] ]['postcount'] = $wpdb->get_var( "SELECT COUNT(ID) FROM " . $wpdb->get_blog_prefix( $details['blog_id'] ). "posts WHERE post_status='publish' AND post_type='post'" );
}
if ( ! $blog_list ) {
return array();
}
if ( $num == 'all' ) {
return array_slice( $blog_list, $start, count( $blog_list ) );
} else {
return array_slice( $blog_list, $start, $num );
}
}
/**
* Deprecated functionality to retrieve a list of the most active sites.
*
* @since MU (3.0.0)
* @deprecated 3.0.0
*
* @param int $num Optional. Number of activate blogs to retrieve. Default 10.
* @param bool $display Optional. Whether or not to display the most active blogs list. Default true.
* @return array List of "most active" sites.
*/
function get_most_active_blogs( $num = 10, $display = true ) {
_deprecated_function( __FUNCTION__, '3.0.0' );
$blogs = get_blog_list( 0, 'all', false ); // $blog_id -> $details
if ( is_array( $blogs ) ) {
reset( $blogs );
$most_active = array();
$blog_list = array();
foreach ( (array) $blogs as $key => $details ) {
$most_active[ $details['blog_id'] ] = $details['postcount'];
$blog_list[ $details['blog_id'] ] = $details; // array_slice() removes keys!!
}
arsort( $most_active );
reset( $most_active );
$t = array();
foreach ( (array) $most_active as $key => $details ) {
$t[ $key ] = $blog_list[ $key ];
}
unset( $most_active );
$most_active = $t;
}
if ( $display ) {
if ( is_array( $most_active ) ) {
reset( $most_active );
foreach ( (array) $most_active as $key => $details ) {
$url = esc_url('http://' . $details['domain'] . $details['path']);
echo '<li>' . $details['postcount'] . " <a href='$url'>$url</a></li>";
}
}
}
return array_slice( $most_active, 0, $num );
}
/**
* Redirect a user based on $_GET or $_POST arguments.
*
* The function looks for redirect arguments in the following order:
* 1) $_GET['ref']
* 2) $_POST['ref']
* 3) $_SERVER['HTTP_REFERER']
* 4) $_GET['redirect']
* 5) $_POST['redirect']
* 6) $url
*
* @since MU (3.0.0)
* @deprecated 3.3.0 Use wp_redirect()
* @see wp_redirect()
*
* @param string $url Optional. Redirect URL. Default empty.
*/
function wpmu_admin_do_redirect( $url = '' ) {
_deprecated_function( __FUNCTION__, '3.3.0', 'wp_redirect()' );
$ref = '';
if ( isset( $_GET['ref'] ) && isset( $_POST['ref'] ) && $_GET['ref'] !== $_POST['ref'] ) {
wp_die( __( 'A variable mismatch has been detected.' ), __( 'Sorry, you are not allowed to view this item.' ), 400 );
} elseif ( isset( $_POST['ref'] ) ) {
$ref = $_POST[ 'ref' ];
} elseif ( isset( $_GET['ref'] ) ) {
$ref = $_GET[ 'ref' ];
}
if ( $ref ) {
$ref = wpmu_admin_redirect_add_updated_param( $ref );
wp_redirect( $ref );
exit();
}
if ( ! empty( $_SERVER['HTTP_REFERER'] ) ) {
wp_redirect( $_SERVER['HTTP_REFERER'] );
exit();
}
$url = wpmu_admin_redirect_add_updated_param( $url );
if ( isset( $_GET['redirect'] ) && isset( $_POST['redirect'] ) && $_GET['redirect'] !== $_POST['redirect'] ) {
wp_die( __( 'A variable mismatch has been detected.' ), __( 'Sorry, you are not allowed to view this item.' ), 400 );
} elseif ( isset( $_GET['redirect'] ) ) {
if ( substr( $_GET['redirect'], 0, 2 ) == 's_' )
$url .= '&action=blogs&s='. esc_html( substr( $_GET['redirect'], 2 ) );
} elseif ( isset( $_POST['redirect'] ) ) {
$url = wpmu_admin_redirect_add_updated_param( $_POST['redirect'] );
}
wp_redirect( $url );
exit();
}
/**
* Adds an 'updated=true' argument to a URL.
*
* @since MU (3.0.0)
* @deprecated 3.3.0 Use add_query_arg()
* @see add_query_arg()
*
* @param string $url Optional. Redirect URL. Default empty.
* @return string
*/
function wpmu_admin_redirect_add_updated_param( $url = '' ) {
_deprecated_function( __FUNCTION__, '3.3.0', 'add_query_arg()' );
if ( strpos( $url, 'updated=true' ) === false ) {
if ( strpos( $url, '?' ) === false )
return $url . '?updated=true';
else
return $url . '&updated=true';
}
return $url;
}
/**
* Get a numeric user ID from either an email address or a login.
*
* A numeric string is considered to be an existing user ID
* and is simply returned as such.
*
* @since MU (3.0.0)
* @deprecated 3.6.0 Use get_user_by()
* @see get_user_by()
*
* @param string $string Either an email address or a login.
* @return int
*/
function get_user_id_from_string( $string ) {
_deprecated_function( __FUNCTION__, '3.6.0', 'get_user_by()' );
if ( is_email( $string ) )
$user = get_user_by( 'email', $string );
elseif ( is_numeric( $string ) )
return $string;
else
$user = get_user_by( 'login', $string );
if ( $user )
return $user->ID;
return 0;
}
/**
* Get a full blog URL, given a domain and a path.
*
* @since MU (3.0.0)
* @deprecated 3.7.0
*
* @param string $domain
* @param string $path
* @return string
*/
function get_blogaddress_by_domain( $domain, $path ) {
_deprecated_function( __FUNCTION__, '3.7.0' );
if ( is_subdomain_install() ) {
$url = "http://" . $domain.$path;
} else {
if ( $domain != $_SERVER['HTTP_HOST'] ) {
$blogname = substr( $domain, 0, strpos( $domain, '.' ) );
$url = 'http://' . substr( $domain, strpos( $domain, '.' ) + 1 ) . $path;
// we're not installing the main blog
if ( $blogname != 'www.' )
$url .= $blogname . '/';
} else { // main blog
$url = 'http://' . $domain . $path;
}
}
return esc_url_raw( $url );
}
/**
* Create an empty blog.
*
* @since MU (3.0.0)
* @deprecated 4.4.0
*
* @param string $domain The new blog's domain.
* @param string $path The new blog's path.
* @param string $weblog_title The new blog's title.
* @param int $site_id Optional. Defaults to 1.
* @return string|int The ID of the newly created blog
*/
function create_empty_blog( $domain, $path, $weblog_title, $site_id = 1 ) {
_deprecated_function( __FUNCTION__, '4.4.0' );
if ( empty($path) )
$path = '/';
// Check if the domain has been used already. We should return an error message.
if ( domain_exists($domain, $path, $site_id) )
return __( '<strong>ERROR</strong>: Site URL already taken.' );
// Need to back up wpdb table names, and create a new wp_blogs entry for new blog.
// Need to get blog_id from wp_blogs, and create new table names.
// Must restore table names at the end of function.
if ( ! $blog_id = insert_blog($domain, $path, $site_id) )
return __( '<strong>ERROR</strong>: problem creating site entry.' );
switch_to_blog($blog_id);
install_blog($blog_id);
restore_current_blog();
return $blog_id;
}
/**
* Get the admin for a domain/path combination.
*
* @since MU (3.0.0)
* @deprecated 4.4.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param string $domain Optional. Network domain.
* @param string $path Optional. Network path.
* @return array|false The network admins.
*/
function get_admin_users_for_domain( $domain = '', $path = '' ) {
_deprecated_function( __FUNCTION__, '4.4.0' );
global $wpdb;
if ( ! $domain ) {
$network_id = get_current_network_id();
} else {
$_networks = get_networks( array(
'fields' => 'ids',
'number' => 1,
'domain' => $domain,
'path' => $path,
) );
$network_id = ! empty( $_networks ) ? array_shift( $_networks ) : 0;
}
if ( $network_id )
return $wpdb->get_results( $wpdb->prepare( "SELECT u.ID, u.user_login, u.user_pass FROM $wpdb->users AS u, $wpdb->sitemeta AS sm WHERE sm.meta_key = 'admin_user_id' AND u.ID = sm.meta_value AND sm.site_id = %d", $network_id ), ARRAY_A );
return false;
}
/**
* Return an array of sites for a network or networks.
*
* @since 3.7.0
* @deprecated 4.6.0 Use get_sites()
* @see get_sites()
*
* @param array $args {
* Array of default arguments. Optional.
*
* @type int|array $network_id A network ID or array of network IDs. Set to null to retrieve sites
* from all networks. Defaults to current network ID.
* @type int $public Retrieve public or non-public sites. Default null, for any.
* @type int $archived Retrieve archived or non-archived sites. Default null, for any.
* @type int $mature Retrieve mature or non-mature sites. Default null, for any.
* @type int $spam Retrieve spam or non-spam sites. Default null, for any.
* @type int $deleted Retrieve deleted or non-deleted sites. Default null, for any.
* @type int $limit Number of sites to limit the query to. Default 100.
* @type int $offset Exclude the first x sites. Used in combination with the $limit parameter. Default 0.
* }
* @return array An empty array if the installation is considered "large" via wp_is_large_network(). Otherwise,
* an associative array of site data arrays, each containing the site (network) ID, blog ID,
* site domain and path, dates registered and modified, and the language ID. Also, boolean
* values for whether the site is public, archived, mature, spam, and/or deleted.
*/
function wp_get_sites( $args = array() ) {
_deprecated_function( __FUNCTION__, '4.6.0', 'get_sites()' );
if ( wp_is_large_network() )
return array();
$defaults = array(
'network_id' => get_current_network_id(),
'public' => null,
'archived' => null,
'mature' => null,
'spam' => null,
'deleted' => null,
'limit' => 100,
'offset' => 0,
);
$args = wp_parse_args( $args, $defaults );
// Backwards compatibility
if( is_array( $args['network_id'] ) ){
$args['network__in'] = $args['network_id'];
$args['network_id'] = null;
}
if( is_numeric( $args['limit'] ) ){
$args['number'] = $args['limit'];
$args['limit'] = null;
} elseif ( ! $args['limit'] ) {
$args['number'] = 0;
$args['limit'] = null;
}
// Make sure count is disabled.
$args['count'] = false;
$_sites = get_sites( $args );
$results = array();
foreach ( $_sites as $_site ) {
$_site = get_site( $_site );
$results[] = $_site->to_array();
}
return $results;
}
/**
* Check whether a usermeta key has to do with the current blog.
*
* @since MU (3.0.0)
* @deprecated 4.9.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param string $key
* @param int $user_id Optional. Defaults to current user.
* @param int $blog_id Optional. Defaults to current blog.
* @return bool
*/
function is_user_option_local( $key, $user_id = 0, $blog_id = 0 ) {
global $wpdb;
_deprecated_function( __FUNCTION__, '4.9.0' );
$current_user = wp_get_current_user();
if ( $blog_id == 0 ) {
$blog_id = get_current_blog_id();
}
$local_key = $wpdb->get_blog_prefix( $blog_id ) . $key;
return isset( $current_user->$local_key );
}
/**
* Store basic site info in the blogs table.
*
* This function creates a row in the wp_blogs table and returns
* the new blog's ID. It is the first step in creating a new blog.
*
* @since MU (3.0.0)
* @deprecated 5.1.0 Use `wp_insert_site()`
* @see wp_insert_site()
*
* @param string $domain The domain of the new site.
* @param string $path The path of the new site.
* @param int $site_id Unless you're running a multi-network install, be sure to set this value to 1.
* @return int|false The ID of the new row
*/
function insert_blog($domain, $path, $site_id) {
_deprecated_function( __FUNCTION__, '5.1.0', 'wp_insert_site()' );
$data = array(
'domain' => $domain,
'path' => $path,
'site_id' => $site_id,
);
$site_id = wp_insert_site( $data );
if ( is_wp_error( $site_id ) ) {
return false;
}
clean_blog_cache( $site_id );
return $site_id;
}
/**
* Install an empty blog.
*
* Creates the new blog tables and options. If calling this function
* directly, be sure to use switch_to_blog() first, so that $wpdb
* points to the new blog.
*
* @since MU (3.0.0)
* @deprecated 5.1.0
*
* @global wpdb $wpdb
* @global WP_Roles $wp_roles
*
* @param int $blog_id The value returned by wp_insert_site().
* @param string $blog_title The title of the new site.
*/
function install_blog( $blog_id, $blog_title = '' ) {
global $wpdb, $wp_roles;
_deprecated_function( __FUNCTION__, '5.1.0' );
// Cast for security
$blog_id = (int) $blog_id;
require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
$suppress = $wpdb->suppress_errors();
if ( $wpdb->get_results( "DESCRIBE {$wpdb->posts}" ) ) {
die( '<h1>' . __( 'Already Installed' ) . '</h1><p>' . __( 'You appear to have already installed WordPress. To reinstall please clear your old database tables first.' ) . '</p></body></html>' );
}
$wpdb->suppress_errors( $suppress );
$url = get_blogaddress_by_id( $blog_id );
// Set everything up
make_db_current_silent( 'blog' );
populate_options();
populate_roles();
// populate_roles() clears previous role definitions so we start over.
$wp_roles = new WP_Roles();
$siteurl = $home = untrailingslashit( $url );
if ( ! is_subdomain_install() ) {
if ( 'https' === parse_url( get_site_option( 'siteurl' ), PHP_URL_SCHEME ) ) {
$siteurl = set_url_scheme( $siteurl, 'https' );
}
if ( 'https' === parse_url( get_home_url( get_network()->site_id ), PHP_URL_SCHEME ) ) {
$home = set_url_scheme( $home, 'https' );
}
}
update_option( 'siteurl', $siteurl );
update_option( 'home', $home );
if ( get_site_option( 'ms_files_rewriting' ) ) {
update_option( 'upload_path', UPLOADBLOGSDIR . "/$blog_id/files" );
} else {
update_option( 'upload_path', get_blog_option( get_network()->site_id, 'upload_path' ) );
}
update_option( 'blogname', wp_unslash( $blog_title ) );
update_option( 'admin_email', '' );
// remove all perms
$table_prefix = $wpdb->get_blog_prefix();
delete_metadata( 'user', 0, $table_prefix . 'user_level', null, true ); // delete all
delete_metadata( 'user', 0, $table_prefix . 'capabilities', null, true ); // delete all
}
/**
* Set blog defaults.
*
* This function creates a row in the wp_blogs table.
*
* @since MU (3.0.0)
* @deprecated MU
* @deprecated Use wp_install_defaults()
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param int $blog_id Ignored in this function.
* @param int $user_id
*/
function install_blog_defaults( $blog_id, $user_id ) {
global $wpdb;
_deprecated_function( __FUNCTION__, 'MU' );
require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
$suppress = $wpdb->suppress_errors();
wp_install_defaults( $user_id );
$wpdb->suppress_errors( $suppress );
}
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