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<?php

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/**

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* Defines constants and global variables that can be overridden, generally in wp-config.php.

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* @package WordPress

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* @subpackage Multisite

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* @since 3.0.0

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/**

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* Defines Multisite upload constants.

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* Exists for backward compatibility with legacy file-serving through

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* wp-includes/ms-files.php (wp-content/blogs.php in MU).

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* @since 3.0.0

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function ms_upload_constants() {

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// This filter is attached in ms-default-filters.php but that file is not included during SHORTINIT.

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add_filter( 'default_site_option_ms_files_rewriting', '__return_true' );

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if ( ! get_site_option( 'ms_files_rewriting' ) ) {

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return;

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}

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// Base uploads dir relative to ABSPATH.

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if ( ! defined( 'UPLOADBLOGSDIR' ) ) {

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define( 'UPLOADBLOGSDIR', 'wp-content/blogs.dir' );

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}

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// Note, the main site in a post-MU network uses wp-content/uploads.

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// This is handled in wp_upload_dir() by ignoring UPLOADS for this case.

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if ( ! defined( 'UPLOADS' ) ) {

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$site_id = get_current_blog_id();

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define( 'UPLOADS', UPLOADBLOGSDIR . '/' . $site_id . '/files/' );

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// Uploads dir relative to ABSPATH.

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if ( 'wp-content/blogs.dir' === UPLOADBLOGSDIR && ! defined( 'BLOGUPLOADDIR' ) ) {

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define( 'BLOGUPLOADDIR', WP_CONTENT_DIR . '/blogs.dir/' . $site_id . '/files/' );

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}

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}

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}

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/**

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* Defines Multisite cookie constants.

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* @since 3.0.0

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function ms_cookie_constants() {

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$current_network = get_network();

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/**

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* @since 1.2.0

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if ( ! defined( 'COOKIEPATH' ) ) {

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define( 'COOKIEPATH', $current_network->path );

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}

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/**

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* @since 1.5.0

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if ( ! defined( 'SITECOOKIEPATH' ) ) {

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define( 'SITECOOKIEPATH', $current_network->path );

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}

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/**

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* @since 2.6.0

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if ( ! defined( 'ADMIN_COOKIE_PATH' ) ) {

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if ( ! is_subdomain_install() || trim( parse_url( get_option( 'siteurl' ), PHP_URL_PATH ), '/' ) ) {

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define( 'ADMIN_COOKIE_PATH', SITECOOKIEPATH );

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} else {

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define( 'ADMIN_COOKIE_PATH', SITECOOKIEPATH . 'wp-admin' );

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}

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}

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/**

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* @since 2.0.0

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if ( ! defined( 'COOKIE_DOMAIN' ) && is_subdomain_install() ) {

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if ( ! empty( $current_network->cookie_domain ) ) {

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define( 'COOKIE_DOMAIN', '.' . $current_network->cookie_domain );

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} else {

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define( 'COOKIE_DOMAIN', '.' . $current_network->domain );

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}

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}

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}

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/**

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* Defines Multisite file constants.

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* Exists for backward compatibility with legacy file-serving through

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* wp-includes/ms-files.php (wp-content/blogs.php in MU).

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* @since 3.0.0

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function ms_file_constants() {

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/**

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* Optional support for X-Sendfile header

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* @since 3.0.0

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if ( ! defined( 'WPMU_SENDFILE' ) ) {

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define( 'WPMU_SENDFILE', false );

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}

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/**

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* Optional support for X-Accel-Redirect header

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* @since 3.0.0

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if ( ! defined( 'WPMU_ACCEL_REDIRECT' ) ) {

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define( 'WPMU_ACCEL_REDIRECT', false );

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}

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}

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/**

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* Defines Multisite subdomain constants and handles warnings and notices.

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* VHOST is deprecated in favor of SUBDOMAIN_INSTALL, which is a bool.

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* On first call, the constants are checked and defined. On second call,

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* we will have translations loaded and can trigger warnings easily.

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* @since 3.0.0

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function ms_subdomain_constants() {

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static $subdomain_error = null;

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static $subdomain_error_warn = null;

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if ( false === $subdomain_error ) {

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return;

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}

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if ( $subdomain_error ) {

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$vhost_deprecated = sprintf(

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/* translators: 1: VHOST, 2: SUBDOMAIN_INSTALL, 3: wp-config.php, 4: is_subdomain_install() */

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__( '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.' ),

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'<code>VHOST</code>',

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'<code>SUBDOMAIN_INSTALL</code>',

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'<code>wp-config.php</code>',

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'<code>is_subdomain_install()</code>'

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);

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if ( $subdomain_error_warn ) {

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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 );

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} else {

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_deprecated_argument( 'define()', '3.0.0', $vhost_deprecated );

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}

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return;

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}

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if ( defined( 'SUBDOMAIN_INSTALL' ) && defined( 'VHOST' ) ) {

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$subdomain_error = true;

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if ( SUBDOMAIN_INSTALL !== ( 'yes' === VHOST ) ) {

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$subdomain_error_warn = true;

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}

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} elseif ( defined( 'SUBDOMAIN_INSTALL' ) ) {

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$subdomain_error = false;

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define( 'VHOST', SUBDOMAIN_INSTALL ? 'yes' : 'no' );

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} elseif ( defined( 'VHOST' ) ) {

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$subdomain_error = true;

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define( 'SUBDOMAIN_INSTALL', 'yes' === VHOST );

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} else {

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$subdomain_error = false;

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define( 'SUBDOMAIN_INSTALL', false );

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define( 'VHOST', 'no' );

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}

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}

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