<?php
/**
* Defines constants and global variables that can be overridden, generally in wp-config.php.
*
* @package WordPress
* @subpackage Multisite
* @since 3.0.0
*/
/**
* Defines Multisite upload constants.
*
* Exists for backward compatibility with legacy file-serving through
* wp-includes/ms-files.php (wp-content/blogs.php in MU).
*
* @since 3.0.0
*/
function ms_upload_constants() {
// This filter is attached in ms-default-filters.php but that file is not included during SHORTINIT.
add_filter( 'default_site_option_ms_files_rewriting', '__return_true' );
if ( ! get_site_option( 'ms_files_rewriting' ) ) {
return;
}
// Base uploads dir relative to ABSPATH.
if ( ! defined( 'UPLOADBLOGSDIR' ) ) {
define( 'UPLOADBLOGSDIR', 'wp-content/blogs.dir' );
}
// Note, the main site in a post-MU network uses wp-content/uploads.
// This is handled in wp_upload_dir() by ignoring UPLOADS for this case.
if ( ! defined( 'UPLOADS' ) ) {
$site_id = get_current_blog_id();
define( 'UPLOADS', UPLOADBLOGSDIR . '/' . $site_id . '/files/' );
// Uploads dir relative to ABSPATH.
if ( 'wp-content/blogs.dir' === UPLOADBLOGSDIR && ! defined( 'BLOGUPLOADDIR' ) ) {
define( 'BLOGUPLOADDIR', WP_CONTENT_DIR . '/blogs.dir/' . $site_id . '/files/' );
}
}
}
/**
* Defines Multisite cookie constants.
*
* @since 3.0.0
*/
function ms_cookie_constants() {
$current_network = get_network();
/**
* @since 1.2.0
*/
if ( ! defined( 'COOKIEPATH' ) ) {
define( 'COOKIEPATH', $current_network->path );
}
/**
* @since 1.5.0
*/
if ( ! defined( 'SITECOOKIEPATH' ) ) {
define( 'SITECOOKIEPATH', $current_network->path );
}
/**
* @since 2.6.0
*/
if ( ! defined( 'ADMIN_COOKIE_PATH' ) ) {
$site_path = parse_url( get_option( 'siteurl' ), PHP_URL_PATH );
if ( ! is_subdomain_install() || is_string( $site_path ) && trim( $site_path, '/' ) ) {
define( 'ADMIN_COOKIE_PATH', SITECOOKIEPATH );
} else {
define( 'ADMIN_COOKIE_PATH', SITECOOKIEPATH . 'wp-admin' );
}
}
/**
* @since 2.0.0
*/
if ( ! defined( 'COOKIE_DOMAIN' ) && is_subdomain_install() ) {
if ( ! empty( $current_network->cookie_domain ) ) {
define( 'COOKIE_DOMAIN', '.' . $current_network->cookie_domain );
} else {
define( 'COOKIE_DOMAIN', '.' . $current_network->domain );
}
}
}
/**
* Defines Multisite file constants.
*
* Exists for backward compatibility with legacy file-serving through
* wp-includes/ms-files.php (wp-content/blogs.php in MU).
*
* @since 3.0.0
*/
function ms_file_constants() {
/**
* Optional support for X-Sendfile header
*
* @since 3.0.0
*/
if ( ! defined( 'WPMU_SENDFILE' ) ) {
define( 'WPMU_SENDFILE', false );
}
/**
* Optional support for X-Accel-Redirect header
*
* @since 3.0.0
*/
if ( ! defined( 'WPMU_ACCEL_REDIRECT' ) ) {
define( 'WPMU_ACCEL_REDIRECT', false );
}
}
/**
* Defines Multisite subdomain constants and handles warnings and notices.
*
* VHOST is deprecated in favor of SUBDOMAIN_INSTALL, which is a bool.
*
* On first call, the constants are checked and defined. On second call,
* we will have translations loaded and can trigger warnings easily.
*
* @since 3.0.0
*/
function ms_subdomain_constants() {
static $subdomain_error = null;
static $subdomain_error_warn = null;
if ( false === $subdomain_error ) {
return;
}
if ( $subdomain_error ) {
$vhost_deprecated = sprintf(
/* translators: 1: VHOST, 2: SUBDOMAIN_INSTALL, 3: wp-config.php, 4: is_subdomain_install() */
__( 'The constant %1$s <strong>is deprecated</strong>. Use the boolean constant %2$s in %3$s to enable a subdomain configuration. Use %4$s to check whether a subdomain configuration is enabled.' ),
'<code>VHOST</code>',
'<code>SUBDOMAIN_INSTALL</code>',
'<code>wp-config.php</code>',
'<code>is_subdomain_install()</code>'
);
if ( $subdomain_error_warn ) {
trigger_error( __( '<strong>Conflicting values for the constants VHOST and SUBDOMAIN_INSTALL.</strong> The value of SUBDOMAIN_INSTALL will be assumed to be your subdomain configuration setting.' ) . ' ' . $vhost_deprecated, E_USER_WARNING );
} else {
_deprecated_argument( 'define()', '3.0.0', $vhost_deprecated );
}
return;
}
if ( defined( 'SUBDOMAIN_INSTALL' ) && defined( 'VHOST' ) ) {
$subdomain_error = true;
if ( SUBDOMAIN_INSTALL !== ( 'yes' === VHOST ) ) {
$subdomain_error_warn = true;
}
} elseif ( defined( 'SUBDOMAIN_INSTALL' ) ) {
$subdomain_error = false;
define( 'VHOST', SUBDOMAIN_INSTALL ? 'yes' : 'no' );
} elseif ( defined( 'VHOST' ) ) {
$subdomain_error = true;
define( 'SUBDOMAIN_INSTALL', 'yes' === VHOST );
} else {
$subdomain_error = false;
define( 'SUBDOMAIN_INSTALL', false );
define( 'VHOST', 'no' );
}
}