Make WordPress Core

Changeset 34023


Ignore:
Timestamp:
09/10/2015 10:00:58 PM (6 years ago)
Author:
wonderboymusic
Message:

Create wp-admin/includes/network.php via svn cp and only load it in wp-admin/network.php. Move the functions there.

See #33813.

Location:
trunk/src/wp-admin
Files:
1 edited
1 copied

Legend:

Unmodified
Added
Removed
  • trunk/src/wp-admin/includes/network.php

    r34014 r34023  
    11<?php
    22/**
    3  * Network installation administration panel.
    4  *
    5  * A multi-step process allowing the user to enable a network of WordPress sites.
    6  *
    7  * @since 3.0.0
     3 * WordPress Network Administration API.
    84 *
    95 * @package WordPress
    106 * @subpackage Administration
    11  */
    12 
    13 define( 'WP_INSTALLING_NETWORK', true );
    14 
    15 /** WordPress Administration Bootstrap */
    16 require_once( dirname( __FILE__ ) . '/admin.php' );
    17 
    18 if ( ! is_super_admin() )
    19     wp_die( __( 'You do not have sufficient permissions to manage options for this site.' ) );
    20 
    21 if ( is_multisite() ) {
    22     if ( ! is_network_admin() ) {
    23         wp_redirect( network_admin_url( 'setup.php' ) );
    24         exit;
    25     }
    26     if ( ! defined( 'MULTISITE' ) )
    27         wp_die( __( 'The Network creation panel is not for WordPress MU networks.' ) );
    28 }
    29 
    30 // We need to create references to ms global tables to enable Network.
    31 foreach ( $wpdb->tables( 'ms_global' ) as $table => $prefixed_table )
    32     $wpdb->$table = $prefixed_table;
     7 * @since 4.4.0
     8 */
    339
    3410/**
     
    6440    return true;
    6541}
     42
    6643/**
    6744 * Allow subdirectory install.
     
    9471    return false;
    9572}
     73
    9674/**
    9775 * Get base domain of network.
     
    10987}
    11088
    111 if ( ! network_domain_check() && ( ! defined( 'WP_ALLOW_MULTISITE' ) || ! WP_ALLOW_MULTISITE ) )
    112     wp_die( __( 'You must define the <code>WP_ALLOW_MULTISITE</code> constant as true in your wp-config.php file to allow creation of a Network.' ) );
    113 
    114 if ( is_network_admin() ) {
    115     $title = __( 'Network Setup' );
    116     $parent_file = 'settings.php';
    117 } else {
    118     $title = __( 'Create a Network of WordPress Sites' );
    119     $parent_file = 'tools.php';
    120 }
    121 
    122 $network_help = '<p>' . __('This screen allows you to configure a network as having subdomains (<code>site1.example.com</code>) or subdirectories (<code>example.com/site1</code>). Subdomains require wildcard subdomains to be enabled in Apache and DNS records, if your host allows it.') . '</p>' .
    123     '<p>' . __('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).') . '</p>' .
    124     '<p>' . __('The next screen for Network Setup 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.') . '</p>' .
    125     '<p>' . __('Add the designated lines of code to wp-config.php (just before <code>/*...stop editing...*/</code>) and <code>.htaccess</code> (replacing the existing WordPress rules).') . '</p>' .
    126     '<p>' . __('Once you add this code and refresh your browser, multisite should be enabled. This screen, now in the Network Admin navigation menu, will keep an archive of the added code. You can toggle between Network Admin and Site Admin by clicking on the Network Admin or an individual site name under the My Sites dropdown in the Toolbar.') . '</p>' .
    127     '<p>' . __('The choice of subdirectory sites is disabled if this setup is more than a month old because of permalink problems with &#8220;/blog/&#8221; from the main site. This disabling will be addressed in a future version.') . '</p>' .
    128     '<p><strong>' . __('For more information:') . '</strong></p>' .
    129     '<p>' . __('<a href="https://codex.wordpress.org/Create_A_Network" target="_blank">Documentation on Creating a Network</a>') . '</p>' .
    130     '<p>' . __('<a href="https://codex.wordpress.org/Tools_Network_Screen" target="_blank">Documentation on the Network Screen</a>') . '</p>';
    131 
    132 get_current_screen()->add_help_tab( array(
    133     'id'      => 'network',
    134     'title'   => __('Network'),
    135     'content' => $network_help,
    136 ) );
    137 
    138 get_current_screen()->set_help_sidebar(
    139     '<p><strong>' . __('For more information:') . '</strong></p>' .
    140     '<p>' . __('<a href="https://codex.wordpress.org/Create_A_Network" target="_blank">Documentation on Creating a Network</a>') . '</p>' .
    141     '<p>' . __('<a href="https://codex.wordpress.org/Tools_Network_Screen" target="_blank">Documentation on the Network Screen</a>') . '</p>' .
    142     '<p>' . __('<a href="https://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
    143 );
    144 
    145 include( ABSPATH . 'wp-admin/admin-header.php' );
    146 ?>
    147 <div class="wrap">
    148 <h1><?php echo esc_html( $title ); ?></h1>
    149 
    150 <?php
    15189/**
    15290 * Prints step 1 for Network installation process.
     
    561499    }
    562500}
    563 
    564 if ( $_POST ) {
    565 
    566     check_admin_referer( 'install-network-1' );
    567 
    568     require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
    569     // Create network tables.
    570     install_network();
    571     $base              = parse_url( trailingslashit( get_option( 'home' ) ), PHP_URL_PATH );
    572     $subdomain_install = allow_subdomain_install() ? !empty( $_POST['subdomain_install'] ) : false;
    573     if ( ! network_domain_check() ) {
    574         $result = populate_network( 1, get_clean_basedomain(), sanitize_email( $_POST['email'] ), wp_unslash( $_POST['sitename'] ), $base, $subdomain_install );
    575         if ( is_wp_error( $result ) ) {
    576             if ( 1 == count( $result->get_error_codes() ) && 'no_wildcard_dns' == $result->get_error_code() )
    577                 network_step2( $result );
    578             else
    579                 network_step1( $result );
    580         } else {
    581             network_step2();
    582         }
    583     } else {
    584         network_step2();
    585     }
    586 } elseif ( is_multisite() || network_domain_check() ) {
    587     network_step2();
    588 } else {
    589     network_step1();
    590 }
    591 ?>
    592 </div>
    593 
    594 <?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
  • trunk/src/wp-admin/network.php

    r32974 r34023  
    1616require_once( dirname( __FILE__ ) . '/admin.php' );
    1717
    18 if ( ! is_super_admin() )
     18if ( ! is_super_admin() ) {
    1919    wp_die( __( 'You do not have sufficient permissions to manage options for this site.' ) );
     20}
    2021
    2122if ( is_multisite() ) {
     
    2425        exit;
    2526    }
    26     if ( ! defined( 'MULTISITE' ) )
     27
     28    if ( ! defined( 'MULTISITE' ) ) {
    2729        wp_die( __( 'The Network creation panel is not for WordPress MU networks.' ) );
     30    }
    2831}
    2932
     33require_once( dirname( __FILE__ ) . '/includes/network.php' );
     34
    3035// We need to create references to ms global tables to enable Network.
    31 foreach ( $wpdb->tables( 'ms_global' ) as $table => $prefixed_table )
     36foreach ( $wpdb->tables( 'ms_global' ) as $table => $prefixed_table ) {
    3237    $wpdb->$table = $prefixed_table;
    33 
    34 /**
    35  * Check for an existing network.
    36  *
    37  * @since 3.0.0
    38  *
    39  * @global wpdb $wpdb
    40  *
    41  * @return Whether a network exists.
    42  */
    43 function network_domain_check() {
    44     global $wpdb;
    45 
    46     $sql = $wpdb->prepare( "SHOW TABLES LIKE %s", $wpdb->esc_like( $wpdb->site ) );
    47     if ( $wpdb->get_var( $sql ) ) {
    48         return $wpdb->get_var( "SELECT domain FROM $wpdb->site ORDER BY id ASC LIMIT 1" );
    49     }
    50     return false;
    5138}
    5239
    53 /**
    54  * Allow subdomain install
    55  *
    56  * @since 3.0.0
    57  * @return bool Whether subdomain install is allowed
    58  */
    59 function allow_subdomain_install() {
    60     $domain = preg_replace( '|https?://([^/]+)|', '$1', get_option( 'home' ) );
    61     if ( parse_url( get_option( 'home' ), PHP_URL_PATH ) || 'localhost' == $domain || preg_match( '|^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$|', $domain ) )
    62         return false;
    63 
    64     return true;
     40if ( ! network_domain_check() && ( ! defined( 'WP_ALLOW_MULTISITE' ) || ! WP_ALLOW_MULTISITE ) ) {
     41    wp_die( __( 'You must define the <code>WP_ALLOW_MULTISITE</code> constant as true in your wp-config.php file to allow creation of a Network.' ) );
    6542}
    66 /**
    67  * Allow subdirectory install.
    68  *
    69  * @since 3.0.0
    70  *
    71  * @global wpdb $wpdb
    72  *
    73  * @return bool Whether subdirectory install is allowed
    74  */
    75 function allow_subdirectory_install() {
    76     global $wpdb;
    77         /**
    78          * Filter whether to enable the subdirectory install feature in Multisite.
    79          *
    80          * @since 3.0.0
    81          *
    82          * @param bool true Whether to enable the subdirectory install feature in Multisite. Default is false.
    83          */
    84     if ( apply_filters( 'allow_subdirectory_install', false ) )
    85         return true;
    86 
    87     if ( defined( 'ALLOW_SUBDIRECTORY_INSTALL' ) && ALLOW_SUBDIRECTORY_INSTALL )
    88         return true;
    89 
    90     $post = $wpdb->get_row( "SELECT ID FROM $wpdb->posts WHERE post_date < DATE_SUB(NOW(), INTERVAL 1 MONTH) AND post_status = 'publish'" );
    91     if ( empty( $post ) )
    92         return true;
    93 
    94     return false;
    95 }
    96 /**
    97  * Get base domain of network.
    98  *
    99  * @since 3.0.0
    100  * @return string Base domain.
    101  */
    102 function get_clean_basedomain() {
    103     if ( $existing_domain = network_domain_check() )
    104         return $existing_domain;
    105     $domain = preg_replace( '|https?://|', '', get_option( 'siteurl' ) );
    106     if ( $slash = strpos( $domain, '/' ) )
    107         $domain = substr( $domain, 0, $slash );
    108     return $domain;
    109 }
    110 
    111 if ( ! network_domain_check() && ( ! defined( 'WP_ALLOW_MULTISITE' ) || ! WP_ALLOW_MULTISITE ) )
    112     wp_die( __( 'You must define the <code>WP_ALLOW_MULTISITE</code> constant as true in your wp-config.php file to allow creation of a Network.' ) );
    11343
    11444if ( is_network_admin() ) {
     
    14979
    15080<?php
    151 /**
    152  * Prints step 1 for Network installation process.
    153  *
    154  * @todo Realistically, step 1 should be a welcome screen explaining what a Network is and such. Navigating to Tools > Network
    155  *  should not be a sudden "Welcome to a new install process! Fill this out and click here." See also contextual help todo.
    156  *
    157  * @since 3.0.0
    158  *
    159  * @global bool $is_apache
    160  *
    161  * @param WP_Error $errors
    162  */
    163 function network_step1( $errors = false ) {
    164     global $is_apache;
    165 
    166     if ( defined('DO_NOT_UPGRADE_GLOBAL_TABLES') ) {
    167         echo '<div class="error"><p><strong>' . __('ERROR:') . '</strong> ' . __( 'The constant DO_NOT_UPGRADE_GLOBAL_TABLES cannot be defined when creating a network.' ) . '</p></div>';
    168         echo '</div>';
    169         include( ABSPATH . 'wp-admin/admin-footer.php' );
    170         die();
    171     }
    172 
    173     $active_plugins = get_option( 'active_plugins' );
    174     if ( ! empty( $active_plugins ) ) {
    175         echo '<div class="updated"><p><strong>' . __('Warning:') . '</strong> ' . sprintf( __( 'Please <a href="%s">deactivate your plugins</a> before enabling the Network feature.' ), admin_url( 'plugins.php?plugin_status=active' ) ) . '</p></div><p>' . __( 'Once the network is created, you may reactivate your plugins.' ) . '</p>';
    176         echo '</div>';
    177         include( ABSPATH . 'wp-admin/admin-footer.php' );
    178         die();
    179     }
    180 
    181     $hostname = get_clean_basedomain();
    182     $has_ports = strstr( $hostname, ':' );
    183     if ( ( false !== $has_ports && ! in_array( $has_ports, array( ':80', ':443' ) ) ) ) {
    184         echo '<div class="error"><p><strong>' . __( 'ERROR:') . '</strong> ' . __( 'You cannot install a network of sites with your server address.' ) . '</p></div>';
    185         echo '<p>' . sprintf( __( 'You cannot use port numbers such as <code>%s</code>.' ), $has_ports ) . '</p>';
    186         echo '<a href="' . esc_url( admin_url() ) . '">' . __( 'Return to Dashboard' ) . '</a>';
    187         echo '</div>';
    188         include( ABSPATH . 'wp-admin/admin-footer.php' );
    189         die();
    190     }
    191 
    192     echo '<form method="post">';
    193 
    194     wp_nonce_field( 'install-network-1' );
    195 
    196     $error_codes = array();
    197     if ( is_wp_error( $errors ) ) {
    198         echo '<div class="error"><p><strong>' . __( 'ERROR: The network could not be created.' ) . '</strong></p>';
    199         foreach ( $errors->get_error_messages() as $error )
    200             echo "<p>$error</p>";
    201         echo '</div>';
    202         $error_codes = $errors->get_error_codes();
    203     }
    204 
    205     $site_name = ( ! empty( $_POST['sitename'] ) && ! in_array( 'empty_sitename', $error_codes ) ) ? $_POST['sitename'] : sprintf( _x('%s Sites', 'Default network name' ), get_option( 'blogname' ) );
    206     $admin_email = ( ! empty( $_POST['email'] ) && ! in_array( 'invalid_email', $error_codes ) ) ? $_POST['email'] : get_option( 'admin_email' );
    207     ?>
    208     <p><?php _e( 'Welcome to the Network installation process!' ); ?></p>
    209     <p><?php _e( 'Fill in the information below and you&#8217;ll be on your way to creating a network of WordPress sites. We will create configuration files in the next step.' ); ?></p>
    210     <?php
    211 
    212     if ( isset( $_POST['subdomain_install'] ) ) {
    213         $subdomain_install = (bool) $_POST['subdomain_install'];
    214     } elseif ( apache_mod_loaded('mod_rewrite') ) { // assume nothing
    215         $subdomain_install = true;
    216     } elseif ( !allow_subdirectory_install() ) {
    217         $subdomain_install = true;
    218     } else {
    219         $subdomain_install = false;
    220         if ( $got_mod_rewrite = got_mod_rewrite() ) // dangerous assumptions
    221             echo '<div class="updated inline"><p><strong>' . __( 'Note:' ) . '</strong> ' . __( 'Please make sure the Apache <code>mod_rewrite</code> module is installed as it will be used at the end of this installation.' ) . '</p>';
    222         elseif ( $is_apache )
    223             echo '<div class="error inline"><p><strong>' . __( 'Warning!' ) . '</strong> ' . __( 'It looks like the Apache <code>mod_rewrite</code> module is not installed.' ) . '</p>';
    224         if ( $got_mod_rewrite || $is_apache ) // Protect against mod_rewrite mimicry (but ! Apache)
    225             echo '<p>' . __( 'If <code>mod_rewrite</code> is disabled, ask your administrator to enable that module, or look at the <a href="http://httpd.apache.org/docs/mod/mod_rewrite.html">Apache documentation</a> or <a href="http://www.google.com/search?q=apache+mod_rewrite">elsewhere</a> for help setting it up.' ) . '</p></div>';
    226     }
    227 
    228     if ( allow_subdomain_install() && allow_subdirectory_install() ) : ?>
    229         <h3><?php esc_html_e( 'Addresses of Sites in your Network' ); ?></h3>
    230         <p><?php _e( 'Please choose whether you would like sites in your WordPress network to use sub-domains or sub-directories. <strong>You cannot change this later.</strong>' ); ?></p>
    231         <p><?php _e( 'You will need a wildcard DNS record if you are going to use the virtual host (sub-domain) functionality.' ); ?></p>
    232         <?php // @todo: Link to an MS readme? ?>
    233         <table class="form-table">
    234             <tr>
    235                 <th><label><input type="radio" name="subdomain_install" value="1"<?php checked( $subdomain_install ); ?> /> <?php _e( 'Sub-domains' ); ?></label></th>
    236                 <td><?php printf(
    237                     /* translators: 1: hostname */
    238                     _x( 'like <code>site1.%1$s</code> and <code>site2.%1$s</code>', 'subdomain examples' ),
    239                     $hostname
    240                 ); ?></td>
    241             </tr>
    242             <tr>
    243                 <th><label><input type="radio" name="subdomain_install" value="0"<?php checked( ! $subdomain_install ); ?> /> <?php _e( 'Sub-directories' ); ?></label></th>
    244                 <td><?php printf(
    245                     /* translators: 1: hostname */
    246                     _x( 'like <code>%1$s/site1</code> and <code>%1$s/site2</code>', 'subdirectory examples' ),
    247                     $hostname
    248                 ); ?></td>
    249             </tr>
    250         </table>
    251 
    252 <?php
    253     endif;
    254 
    255         if ( WP_CONTENT_DIR != ABSPATH . 'wp-content' && ( allow_subdirectory_install() || ! allow_subdomain_install() ) )
    256             echo '<div class="error inline"><p><strong>' . __('Warning!') . '</strong> ' . __( 'Subdirectory networks may not be fully compatible with custom wp-content directories.' ) . '</p></div>';
    257 
    258         $is_www = ( 0 === strpos( $hostname, 'www.' ) );
    259         if ( $is_www ) :
    260         ?>
    261         <h3><?php esc_html_e( 'Server Address' ); ?></h3>
    262         <p><?php printf( __( 'We recommend you change your siteurl to <code>%1$s</code> before enabling the network feature. It will still be possible to visit your site using the <code>www</code> prefix with an address like <code>%2$s</code> but any links will not have the <code>www</code> prefix.' ), substr( $hostname, 4 ), $hostname ); ?></p>
    263         <table class="form-table">
    264             <tr>
    265                 <th scope='row'><?php esc_html_e( 'Server Address' ); ?></th>
    266                 <td>
    267                     <?php printf( __( 'The internet address of your network will be <code>%s</code>.' ), $hostname ); ?>
    268                 </td>
    269             </tr>
    270         </table>
    271         <?php endif; ?>
    272 
    273         <h3><?php esc_html_e( 'Network Details' ); ?></h3>
    274         <table class="form-table">
    275         <?php if ( 'localhost' == $hostname ) : ?>
    276             <tr>
    277                 <th scope="row"><?php esc_html_e( 'Sub-directory Install' ); ?></th>
    278                 <td><?php
    279                     _e( 'Because you are using <code>localhost</code>, the sites in your WordPress network must use sub-directories. Consider using <code>localhost.localdomain</code> if you wish to use sub-domains.' );
    280                     // Uh oh:
    281                     if ( !allow_subdirectory_install() )
    282                         echo ' <strong>' . __( 'Warning!' ) . ' ' . __( 'The main site in a sub-directory install will need to use a modified permalink structure, potentially breaking existing links.' ) . '</strong>';
    283                 ?></td>
    284             </tr>
    285         <?php elseif ( !allow_subdomain_install() ) : ?>
    286             <tr>
    287                 <th scope="row"><?php esc_html_e( 'Sub-directory Install' ); ?></th>
    288                 <td><?php
    289                     _e( 'Because your install is in a directory, the sites in your WordPress network must use sub-directories.' );
    290                     // Uh oh:
    291                     if ( !allow_subdirectory_install() )
    292                         echo ' <strong>' . __( 'Warning!' ) . ' ' . __( 'The main site in a sub-directory install will need to use a modified permalink structure, potentially breaking existing links.' ) . '</strong>';
    293                 ?></td>
    294             </tr>
    295         <?php elseif ( !allow_subdirectory_install() ) : ?>
    296             <tr>
    297                 <th scope="row"><?php esc_html_e( 'Sub-domain Install' ); ?></th>
    298                 <td><?php _e( 'Because your install is not new, the sites in your WordPress network must use sub-domains.' );
    299                     echo ' <strong>' . __( 'The main site in a sub-directory install will need to use a modified permalink structure, potentially breaking existing links.' ) . '</strong>';
    300                 ?></td>
    301             </tr>
    302         <?php endif; ?>
    303         <?php if ( ! $is_www ) : ?>
    304             <tr>
    305                 <th scope='row'><?php esc_html_e( 'Server Address' ); ?></th>
    306                 <td>
    307                     <?php printf( __( 'The internet address of your network will be <code>%s</code>.' ), $hostname ); ?>
    308                 </td>
    309             </tr>
    310         <?php endif; ?>
    311             <tr>
    312                 <th scope='row'><?php esc_html_e( 'Network Title' ); ?></th>
    313                 <td>
    314                     <input name='sitename' type='text' size='45' value='<?php echo esc_attr( $site_name ); ?>' />
    315                     <p class="description">
    316                         <?php _e( 'What would you like to call your network?' ); ?>
    317                     </p>
    318                 </td>
    319             </tr>
    320             <tr>
    321                 <th scope='row'><?php esc_html_e( 'Network Admin Email' ); ?></th>
    322                 <td>
    323                     <input name='email' type='text' size='45' value='<?php echo esc_attr( $admin_email ); ?>' />
    324                     <p class="description">
    325                         <?php _e( 'Your email address.' ); ?>
    326                     </p>
    327                 </td>
    328             </tr>
    329         </table>
    330         <?php submit_button( __( 'Install' ), 'primary', 'submit' ); ?>
    331     </form>
    332     <?php
    333 }
    334 
    335 /**
    336  * Prints step 2 for Network installation process.
    337  *
    338  * @since 3.0.0
    339  *
    340  * @global wpdb $wpdb
    341  *
    342  * @param WP_Error $errors
    343  */
    344 function network_step2( $errors = false ) {
    345     global $wpdb;
    346 
    347     $hostname          = get_clean_basedomain();
    348     $slashed_home      = trailingslashit( get_option( 'home' ) );
    349     $base              = parse_url( $slashed_home, PHP_URL_PATH );
    350     $document_root_fix = str_replace( '\\', '/', realpath( $_SERVER['DOCUMENT_ROOT'] ) );
    351     $abspath_fix       = str_replace( '\\', '/', ABSPATH );
    352     $home_path         = 0 === strpos( $abspath_fix, $document_root_fix ) ? $document_root_fix . $base : get_home_path();
    353     $wp_siteurl_subdir = preg_replace( '#^' . preg_quote( $home_path, '#' ) . '#', '', $abspath_fix );
    354     $rewrite_base      = ! empty( $wp_siteurl_subdir ) ? ltrim( trailingslashit( $wp_siteurl_subdir ), '/' ) : '';
    355 
    356 
    357     $location_of_wp_config = $abspath_fix;
    358     if ( ! file_exists( ABSPATH . 'wp-config.php' ) && file_exists( dirname( ABSPATH ) . '/wp-config.php' ) ) {
    359         $location_of_wp_config = dirname( $abspath_fix );
    360     }
    361     $location_of_wp_config = trailingslashit( $location_of_wp_config );
    362 
    363     // Wildcard DNS message.
    364     if ( is_wp_error( $errors ) )
    365         echo '<div class="error">' . $errors->get_error_message() . '</div>';
    366 
    367     if ( $_POST ) {
    368         if ( allow_subdomain_install() )
    369             $subdomain_install = allow_subdirectory_install() ? ! empty( $_POST['subdomain_install'] ) : true;
    370         else
    371             $subdomain_install = false;
    372     } else {
    373         if ( is_multisite() ) {
    374             $subdomain_install = is_subdomain_install();
    375 ?>
    376     <p><?php _e( 'The original configuration steps are shown here for reference.' ); ?></p>
    377 <?php
    378         } else {
    379             $subdomain_install = (bool) $wpdb->get_var( "SELECT meta_value FROM $wpdb->sitemeta WHERE site_id = 1 AND meta_key = 'subdomain_install'" );
    380 ?>
    381     <div class="error"><p><strong><?php _e('Warning:'); ?></strong> <?php _e( 'An existing WordPress network was detected.' ); ?></p></div>
    382     <p><?php _e( 'Please complete the configuration steps. To create a new network, you will need to empty or remove the network database tables.' ); ?></p>
    383 <?php
    384         }
    385     }
    386 
    387     $subdir_match          = $subdomain_install ? '' : '([_0-9a-zA-Z-]+/)?';
    388     $subdir_replacement_01 = $subdomain_install ? '' : '$1';
    389     $subdir_replacement_12 = $subdomain_install ? '$1' : '$2';
    390 
    391     if ( $_POST || ! is_multisite() ) {
    392 ?>
    393         <h3><?php esc_html_e( 'Enabling the Network' ); ?></h3>
    394         <p><?php _e( 'Complete the following steps to enable the features for creating a network of sites.' ); ?></p>
    395         <div class="updated inline"><p><?php
    396             if ( file_exists( $home_path . '.htaccess' ) )
    397                 printf( __( '<strong>Caution:</strong> We recommend you back up your existing <code>wp-config.php</code> and <code>%s</code> files.' ), '.htaccess' );
    398             elseif ( file_exists( $home_path . 'web.config' ) )
    399                 printf( __( '<strong>Caution:</strong> We recommend you back up your existing <code>wp-config.php</code> and <code>%s</code> files.' ), 'web.config' );
    400             else
    401                 _e( '<strong>Caution:</strong> We recommend you back up your existing <code>wp-config.php</code> file.' );
    402         ?></p></div>
    403 <?php
    404     }
    405 ?>
    406         <ol>
    407             <li><p><?php printf( __( 'Add the following to your <code>wp-config.php</code> file in <code>%s</code> <strong>above</strong> the line reading <code>/* That&#8217;s all, stop editing! Happy blogging. */</code>:' ), $location_of_wp_config ); ?></p>
    408                 <textarea class="code" readonly="readonly" cols="100" rows="7">
    409 define('MULTISITE', true);
    410 define('SUBDOMAIN_INSTALL', <?php echo $subdomain_install ? 'true' : 'false'; ?>);
    411 define('DOMAIN_CURRENT_SITE', '<?php echo $hostname; ?>');
    412 define('PATH_CURRENT_SITE', '<?php echo $base; ?>');
    413 define('SITE_ID_CURRENT_SITE', 1);
    414 define('BLOG_ID_CURRENT_SITE', 1);
    415 </textarea>
    416 <?php
    417     $keys_salts = array( 'AUTH_KEY' => '', 'SECURE_AUTH_KEY' => '', 'LOGGED_IN_KEY' => '', 'NONCE_KEY' => '', 'AUTH_SALT' => '', 'SECURE_AUTH_SALT' => '', 'LOGGED_IN_SALT' => '', 'NONCE_SALT' => '' );
    418     foreach ( $keys_salts as $c => $v ) {
    419         if ( defined( $c ) )
    420             unset( $keys_salts[ $c ] );
    421     }
    422 
    423     if ( ! empty( $keys_salts ) ) {
    424         $keys_salts_str = '';
    425         $from_api = wp_remote_get( 'https://api.wordpress.org/secret-key/1.1/salt/' );
    426         if ( is_wp_error( $from_api ) ) {
    427             foreach ( $keys_salts as $c => $v ) {
    428                 $keys_salts_str .= "\ndefine( '$c', '" . wp_generate_password( 64, true, true ) . "' );";
    429             }
    430         } else {
    431             $from_api = explode( "\n", wp_remote_retrieve_body( $from_api ) );
    432             foreach ( $keys_salts as $c => $v ) {
    433                 $keys_salts_str .= "\ndefine( '$c', '" . substr( array_shift( $from_api ), 28, 64 ) . "' );";
    434             }
    435         }
    436         $num_keys_salts = count( $keys_salts );
    437 ?>
    438     <p>
    439         <?php
    440             if ( 1 == $num_keys_salts ) {
    441                 _e( 'This unique authentication key is also missing from your <code>wp-config.php</code> file.' );
    442             } else {
    443                 _e( 'These unique authentication keys are also missing from your <code>wp-config.php</code> file.' );
    444             }
    445         ?>
    446         <?php _e( 'To make your installation more secure, you should also add:' ); ?>
    447     </p>
    448     <textarea class="code" readonly="readonly" cols="100" rows="<?php echo $num_keys_salts; ?>"><?php echo esc_textarea( $keys_salts_str ); ?></textarea>
    449 <?php
    450     }
    451 ?>
    452 </li>
    453 <?php
    454     if ( iis7_supports_permalinks() ) :
    455         // IIS doesn't support RewriteBase, all your RewriteBase are belong to us
    456         $iis_subdir_match = ltrim( $base, '/' ) . $subdir_match;
    457         $iis_rewrite_base = ltrim( $base, '/' ) . $rewrite_base;
    458         $iis_subdir_replacement = $subdomain_install ? '' : '{R:1}';
    459 
    460         $web_config_file = '<?xml version="1.0" encoding="UTF-8"?>
    461 <configuration>
    462     <system.webServer>
    463         <rewrite>
    464             <rules>
    465                 <rule name="WordPress Rule 1" stopProcessing="true">
    466                     <match url="^index\.php$" ignoreCase="false" />
    467                     <action type="None" />
    468                 </rule>';
    469                 if ( is_multisite() && get_site_option( 'ms_files_rewriting' ) ) {
    470                     $web_config_file .= '
    471                 <rule name="WordPress Rule for Files" stopProcessing="true">
    472                     <match url="^' . $iis_subdir_match . 'files/(.+)" ignoreCase="false" />
    473                     <action type="Rewrite" url="' . $iis_rewrite_base . WPINC . '/ms-files.php?file={R:1}" appendQueryString="false" />
    474                 </rule>';
    475                 }
    476                 $web_config_file .= '
    477                 <rule name="WordPress Rule 2" stopProcessing="true">
    478                     <match url="^' . $iis_subdir_match . 'wp-admin$" ignoreCase="false" />
    479                     <action type="Redirect" url="' . $iis_subdir_replacement . 'wp-admin/" redirectType="Permanent" />
    480                 </rule>
    481                 <rule name="WordPress Rule 3" stopProcessing="true">
    482                     <match url="^" ignoreCase="false" />
    483                     <conditions logicalGrouping="MatchAny">
    484                         <add input="{REQUEST_FILENAME}" matchType="IsFile" ignoreCase="false" />
    485                         <add input="{REQUEST_FILENAME}" matchType="IsDirectory" ignoreCase="false" />
    486                     </conditions>
    487                     <action type="None" />
    488                 </rule>
    489                 <rule name="WordPress Rule 4" stopProcessing="true">
    490                     <match url="^' . $iis_subdir_match . '(wp-(content|admin|includes).*)" ignoreCase="false" />
    491                     <action type="Rewrite" url="' . $iis_rewrite_base . '{R:1}" />
    492                 </rule>
    493                 <rule name="WordPress Rule 5" stopProcessing="true">
    494                     <match url="^' . $iis_subdir_match . '([_0-9a-zA-Z-]+/)?(.*\.php)$" ignoreCase="false" />
    495                     <action type="Rewrite" url="' . $iis_rewrite_base . '{R:2}" />
    496                 </rule>
    497                 <rule name="WordPress Rule 6" stopProcessing="true">
    498                     <match url="." ignoreCase="false" />
    499                     <action type="Rewrite" url="index.php" />
    500                 </rule>
    501             </rules>
    502         </rewrite>
    503     </system.webServer>
    504 </configuration>
    505 ';
    506 
    507         echo '<li><p>';
    508         /* translators: 1: a filename like .htaccess. 2: a file path. */
    509         printf( __( 'Add the following to your %1$s file in %2$s, <strong>replacing</strong> other WordPress rules:' ),
    510             '<code>web.config</code>', '<code>' . $home_path . '</code>' );
    511         echo '</p>';
    512         if ( ! $subdomain_install && WP_CONTENT_DIR != ABSPATH . 'wp-content' )
    513             echo '<p><strong>' . __('Warning:') . ' ' . __( 'Subdirectory networks may not be fully compatible with custom wp-content directories.' ) . '</strong></p>';
    514         ?>
    515         <textarea class="code" readonly="readonly" cols="100" rows="20"><?php echo esc_textarea( $web_config_file ); ?>
    516         </textarea></li>
    517         </ol>
    518 
    519     <?php else : // end iis7_supports_permalinks(). construct an htaccess file instead:
    520 
    521         $ms_files_rewriting = '';
    522         if ( is_multisite() && get_site_option( 'ms_files_rewriting' ) ) {
    523             $ms_files_rewriting = "\n# uploaded files\nRewriteRule ^";
    524             $ms_files_rewriting .= $subdir_match . "files/(.+) {$rewrite_base}" . WPINC . "/ms-files.php?file={$subdir_replacement_12} [L]" . "\n";
    525         }
    526 
    527         $htaccess_file = <<<EOF
    528 RewriteEngine On
    529 RewriteBase {$base}
    530 RewriteRule ^index\.php$ - [L]
    531 {$ms_files_rewriting}
    532 # add a trailing slash to /wp-admin
    533 RewriteRule ^{$subdir_match}wp-admin$ {$subdir_replacement_01}wp-admin/ [R=301,L]
    534 
    535 RewriteCond %{REQUEST_FILENAME} -f [OR]
    536 RewriteCond %{REQUEST_FILENAME} -d
    537 RewriteRule ^ - [L]
    538 RewriteRule ^{$subdir_match}(wp-(content|admin|includes).*) {$rewrite_base}{$subdir_replacement_12} [L]
    539 RewriteRule ^{$subdir_match}(.*\.php)$ {$rewrite_base}$subdir_replacement_12 [L]
    540 RewriteRule . index.php [L]
    541 
    542 EOF;
    543 
    544         echo '<li><p>';
    545         /* translators: 1: a filename like .htaccess. 2: a file path. */
    546         printf( __( 'Add the following to your %1$s file in %2$s, <strong>replacing</strong> other WordPress rules:' ),
    547             '<code>.htaccess</code>', '<code>' . $home_path . '</code>' );
    548         echo '</p>';
    549         if ( ! $subdomain_install && WP_CONTENT_DIR != ABSPATH . 'wp-content' )
    550             echo '<p><strong>' . __('Warning:') . ' ' . __( 'Subdirectory networks may not be fully compatible with custom wp-content directories.' ) . '</strong></p>';
    551         ?>
    552         <textarea class="code" readonly="readonly" cols="100" rows="<?php echo substr_count( $htaccess_file, "\n" ) + 1; ?>">
    553 <?php echo esc_textarea( $htaccess_file ); ?></textarea></li>
    554         </ol>
    555 
    556     <?php endif; // end IIS/Apache code branches.
    557 
    558     if ( !is_multisite() ) { ?>
    559         <p><?php _e( 'Once you complete these steps, your network is enabled and configured. You will have to log in again.' ); ?> <a href="<?php echo esc_url( site_url( 'wp-login.php' ) ); ?>"><?php _e( 'Log In' ); ?></a></p>
    560 <?php
    561     }
    562 }
    563 
    56481if ( $_POST ) {
    56582
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