prepare( "SHOW TABLES LIKE %s", $wpdb->esc_like( $wpdb->site ) ); if ( $wpdb->get_var( $sql ) ) { 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( 'home' ) ); if ( parse_url( get_option( 'home' ), PHP_URL_PATH ) || 'localhost' == $domain || preg_match( '|^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$|', $domain ) ) return false; return true; } /** * Allow subdirectory install. * * @since 3.0.0 * * @global wpdb $wpdb * * @return bool Whether subdirectory install is allowed */ function allow_subdirectory_install() { global $wpdb; /** * Filter whether to enable the subdirectory install feature in Multisite. * * @since 3.0.0 * * @param bool true Whether to enable the subdirectory install feature in Multisite. Default is false. */ 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; } /** * Prints step 1 for Network installation process. * * @todo Realistically, step 1 should be a welcome screen explaining what a Network is and such. Navigating to Tools > Network * should not be a sudden "Welcome to a new install process! Fill this out and click here." See also contextual help todo. * * @since 3.0.0 * * @global bool $is_apache * * @param WP_Error $errors */ function network_step1( $errors = false ) { global $is_apache; if ( defined('DO_NOT_UPGRADE_GLOBAL_TABLES') ) { echo '

' . __('ERROR:') . ' ' . __( 'The constant DO_NOT_UPGRADE_GLOBAL_TABLES cannot be defined when creating a network.' ) . '

'; echo ''; include( ABSPATH . 'wp-admin/admin-footer.php' ); die(); } $active_plugins = get_option( 'active_plugins' ); if ( ! empty( $active_plugins ) ) { echo '

' . __('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( ABSPATH . 'wp-admin/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.' ) . '

'; echo '

' . sprintf( __( 'You cannot use port numbers such as %s.' ), $has_ports ) . '

'; echo '' . __( 'Return to Dashboard' ) . ''; echo ''; include( ABSPATH . 'wp-admin/admin-footer.php' ); die(); } echo '
'; wp_nonce_field( 'install-network-1' ); $error_codes = array(); if ( is_wp_error( $errors ) ) { echo '

' . __( 'ERROR: The network could not be created.' ) . '

'; foreach ( $errors->get_error_messages() as $error ) echo "

$error

"; echo '
'; $error_codes = $errors->get_error_codes(); } $site_name = ( ! empty( $_POST['sitename'] ) && ! in_array( 'empty_sitename', $error_codes ) ) ? $_POST['sitename'] : sprintf( _x('%s Sites', 'Default network name' ), get_option( 'blogname' ) ); $admin_email = ( ! empty( $_POST['email'] ) && ! in_array( 'invalid_email', $error_codes ) ) ? $_POST['email'] : get_option( 'admin_email' ); ?>

' . __( 'Note:' ) . ' ' . __( 'Please make sure the Apache mod_rewrite module is installed as it will be used at the end of this installation.' ) . '

'; elseif ( $is_apache ) echo '

' . __( 'Warning!' ) . ' ' . __( 'It looks like the Apache mod_rewrite module is not installed.' ) . '

'; if ( $got_mod_rewrite || $is_apache ) // Protect against mod_rewrite mimicry (but ! Apache) echo '

' . __( 'If mod_rewrite is disabled, ask your administrator to enable that module, or look at the Apache documentation or elsewhere for help setting it up.' ) . '

'; } if ( allow_subdomain_install() && allow_subdirectory_install() ) : ?>

You cannot change this later.' ); ?>

site1.%1$s and site2.%1$s', 'subdomain examples' ), $hostname ); ?>
%1$s/site1 and %1$s/site2', 'subdirectory examples' ), $hostname ); ?>

' . __('Warning!') . ' ' . __( 'Subdirectory networks may not be fully compatible with custom wp-content directories.' ) . '

'; $is_www = ( 0 === strpos( $hostname, 'www.' ) ); if ( $is_www ) : ?>

%1$s before enabling the network feature. It will still be possible to visit your site using the www prefix with an address like %2$s but any links will not have the www prefix.' ), substr( $hostname, 4 ), $hostname ); ?>

%s.' ), $hostname ); ?>

localhost, the sites in your WordPress network must use sub-directories. Consider using localhost.localdomain if you wish to use sub-domains.' ); // Uh oh: if ( !allow_subdirectory_install() ) echo ' ' . __( 'Warning!' ) . ' ' . __( 'The main site in a sub-directory install will need to use a modified permalink structure, potentially breaking existing links.' ) . ''; ?>
' . __( 'Warning!' ) . ' ' . __( 'The main site in a sub-directory install will need to use a modified permalink structure, potentially breaking existing links.' ) . ''; ?>
' . __( 'The main site in a sub-directory install will need to use a modified permalink structure, potentially breaking existing links.' ) . ''; ?>
%s.' ), $hostname ); ?>

' . $errors->get_error_message() . ''; if ( $_POST ) { if ( allow_subdomain_install() ) $subdomain_install = allow_subdirectory_install() ? ! empty( $_POST['subdomain_install'] ) : true; else $subdomain_install = false; } else { if ( is_multisite() ) { $subdomain_install = is_subdomain_install(); ?>

get_var( "SELECT meta_value FROM $wpdb->sitemeta WHERE site_id = 1 AND meta_key = 'subdomain_install'" ); ?>

Caution: We recommend you back up your existing wp-config.php and %s files.' ), '.htaccess' ); elseif ( file_exists( $home_path . 'web.config' ) ) printf( __( 'Caution: We recommend you back up your existing wp-config.php and %s files.' ), 'web.config' ); else _e( 'Caution: We recommend you back up your existing wp-config.php file.' ); ?>

  1. wp-config.php file in %s above the line reading /* That’s all, stop editing! Happy blogging. */:' ), $location_of_wp_config ); ?>

    '', 'SECURE_AUTH_KEY' => '', 'LOGGED_IN_KEY' => '', 'NONCE_KEY' => '', 'AUTH_SALT' => '', 'SECURE_AUTH_SALT' => '', 'LOGGED_IN_SALT' => '', 'NONCE_SALT' => '' ); foreach ( $keys_salts as $c => $v ) { if ( defined( $c ) ) unset( $keys_salts[ $c ] ); } if ( ! empty( $keys_salts ) ) { $keys_salts_str = ''; $from_api = wp_remote_get( 'https://api.wordpress.org/secret-key/1.1/salt/' ); if ( is_wp_error( $from_api ) ) { foreach ( $keys_salts as $c => $v ) { $keys_salts_str .= "\ndefine( '$c', '" . wp_generate_password( 64, true, true ) . "' );"; } } else { $from_api = explode( "\n", wp_remote_retrieve_body( $from_api ) ); foreach ( $keys_salts as $c => $v ) { $keys_salts_str .= "\ndefine( '$c', '" . substr( array_shift( $from_api ), 28, 64 ) . "' );"; } } $num_keys_salts = count( $keys_salts ); ?>

    wp-config.php file.' ); } else { _e( 'These unique authentication keys are also missing from your wp-config.php file.' ); } ?>

    2. '; if ( is_multisite() && get_site_option( 'ms_files_rewriting' ) ) { $web_config_file .= ' '; } $web_config_file .= ' '; echo '

  2. '; /* translators: 1: a filename like .htaccess. 2: a file path. */ printf( __( 'Add the following to your %1$s file in %2$s, replacing other WordPress rules:' ), 'web.config', '' . $home_path . '' ); echo '

    '; if ( ! $subdomain_install && WP_CONTENT_DIR != ABSPATH . 'wp-content' ) echo '

    ' . __('Warning:') . ' ' . __( 'Subdirectory networks may not be fully compatible with custom wp-content directories.' ) . '

    '; ?>

'; /* translators: 1: a filename like .htaccess. 2: a file path. */ printf( __( 'Add the following to your %1$s file in %2$s, replacing other WordPress rules:' ), '.htaccess', '' . $home_path . '' ); echo '

'; if ( ! $subdomain_install && WP_CONTENT_DIR != ABSPATH . 'wp-content' ) echo '

' . __('Warning:') . ' ' . __( 'Subdirectory networks may not be fully compatible with custom wp-content directories.' ) . '

'; ?>