tables( 'ms_global' ) as $table => $prefixed_table )
$wpdb->$table = $prefixed_table;
/**
* Check for an existing network.
*
* @since 3.0.0
* @return Whether a network exists.
*/
function network_domain_check() {
global $wpdb;
if ( $wpdb->get_var( "SHOW TABLES LIKE '$wpdb->site'" ) )
return $wpdb->get_var( "SELECT domain FROM $wpdb->site ORDER BY id ASC LIMIT 1" );
return false;
}
/**
* Allow subdomain install
*
* @since 3.0.0
* @return bool Whether subdomain install is allowed
*/
function allow_subdomain_install() {
$domain = preg_replace( '|https?://([^/]+)|', '$1', get_option( 'siteurl' ) );
if( false !== strpos( $domain, '/' ) || 'localhost' == $domain || preg_match( '|[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+|', $domain ) )
return false;
return true;
}
/**
* Allow subdirectory install
*
* @since 3.0.0
* @return bool Whether subdirectory install is allowed
*/
function allow_subdirectory_install() {
global $wpdb;
if ( apply_filters( 'allow_subdirectory_install', false ) )
return true;
if ( defined( 'ALLOW_SUBDIRECTORY_INSTALL' ) && ALLOW_SUBDIRECTORY_INSTALL )
return true;
$post = $wpdb->get_row( "SELECT ID FROM $wpdb->posts WHERE post_date < DATE_SUB(NOW(), INTERVAL 1 MONTH) AND post_status = 'publish'" );
if ( empty( $post ) )
return true;
return false;
}
/**
* Get base domain of network.
*
* @since 3.0.0
* @return string Base domain.
*/
function get_clean_basedomain() {
if ( $existing_domain = network_domain_check() )
return $existing_domain;
$domain = preg_replace( '|https?://|', '', get_option( 'siteurl' ) );
if ( $slash = strpos( $domain, '/' ) )
$domain = substr( $domain, 0, $slash );
return $domain;
}
if ( ! network_domain_check() && ( ! defined( 'WP_ALLOW_MULTISITE' ) || ! WP_ALLOW_MULTISITE ) )
wp_die( __( 'You must define the WP_ALLOW_MULTISITE
constant as true in your wp-config.php file to allow creation of a Network.' ) );
$title = __( 'Create a Network of WordPress Sites' );
$parent_file = 'tools.php';
add_contextual_help($current_screen,
'
' . __('This screen allows you to configure a network as having subdomains (site1.example.com
) or subdirectories (example.com/site1
). Subdomains require wildcard subdomains to be enabled in Apache and DNS records, if your host allows it.') . '
' . __('Choose subdomains or subdirectories; this can only be switched afterwards by reconfiguring your install. Fill out the network details, and click install. If this does not work, you may have to add a wildcard DNS record (for subdomains) or change to another setting in Permalinks (for subdirectories).') . '
' . '' . __('The next screen for Network will give you individually-generated lines of code to add to your wp-config.php and .htaccess files. Make sure the settings of your FTP client make files starting with a dot visible, so that you can find .htaccess; you may have to create this file if it really is not there. Make backup copies of those two files.') . '
' . '' . __('Add a blogs.dir
directory under /wp-content
and add the designated lines of code to wp-config.php (just before /*...stop editing...*/
) and .htaccess
(replacing the existing WordPress rules).') . '
' . __('Refreshing your browser will take you to a screen with an archive of those added lines of code. A set of six links under Super Admin will appear at the top of the main left navigation menu. The multisite network is now enabled.') . '
' . '' . __('The choice of subdirectory sites is disabled if this setup is more than a month old because of permalink problems with “/blog/” from the main site. This disabling will be addressed soon in a future version.') . '
' . '' . __('For more information:') . '
' . '' . __('General Network Creation Documentation') . '
' . '' . __('Tools > Network Documentation') . '
' . '' . __('Support Forums') . '
' ); include( './admin-header.php' ); ?>' . __('Error:') . ' ' . sprintf( __( 'Your WordPress address must match your Site address before creating a Network. See General Settings.' ), esc_url( admin_url( 'options-general.php' ) ) ) . '
' . __('Error:') . ' ' . __( 'The constant DO_NOT_UPGRADE_GLOBAL_TABLES cannot be defined when creating a network.' ) . '
' . __('Warning:') . ' ' . sprintf( __( 'Please deactivate your plugins before enabling the Network feature.' ), admin_url( 'plugins.php?plugin_status=active' ) ) . '
' . __( 'Once the network is created, you may reactivate your plugins.' ) . '
'; echo ''; include( './admin-footer.php' ); die(); } $hostname = get_clean_basedomain(); $has_ports = strstr( $hostname, ':' ); if ( ( false !== $has_ports && ! in_array( $has_ports, array( ':80', ':443' ) ) ) ) { echo '' . __( 'Error:') . ' ' . __( 'You cannot install a network of sites with your server address.' ) . '
' . sprintf( __( 'You cannot use port numbers such as %s
.' ), $has_ports ) . '
Caution: We recommend you back up your existing wp-config.php
file.' );
else
_e( 'Caution: We recommend you back up your existing wp-config.php
and .htaccess
files.' );
?>
blogs.dir directory at %s/blogs.dir
. This directory is used to store uploaded media for your additional sites and must be writeable by the web server.' ), WP_CONTENT_DIR );
if ( WP_CONTENT_DIR != ABSPATH . 'wp-content' )
echo ' ' . __('Warning:') . ' ' . __( 'Networks may not be fully compatible with custom wp-content directories.' ) . '
wp-config.php file in %s
above the line reading /* That’s all, stop editing! Happy blogging. */
:' ), ABSPATH ); ?>
wp-config.php file.', 'These unique authentication keys are also missing from your wp-config.php
file.', $num_keys_salts ); ?>
web.config file in %s
, replacing other WordPress rules:' ), ABSPATH ); ?>
.htaccess file in %s
, replacing other WordPress rules:' ), ABSPATH ); ?>