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./othercms/wordpress-6.0/wp-admin/includes/network.php
<?php
/**
 * WordPress Network Administration API.
 *
 * @package WordPress
 * @subpackage Administration
 * @since 4.4.0
 */

/**
 * Check for an existing network.
 *
 * @since 3.0.0
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @return string|false Base domain if network exists, otherwise false.
 */
function network_domain_check() {
    global
$wpdb;

   
$sql = $wpdb->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 installation
 *
 * @since 3.0.0
 * @return bool Whether subdomain installation 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 installation.
 *
 * @since 3.0.0
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @return bool Whether subdirectory installation is allowed
 */
function allow_subdirectory_install() {
    global
$wpdb;

   
/**
     * Filters whether to enable the subdirectory installation feature in Multisite.
     *
     * @since 3.0.0
     *
     * @param bool $allow Whether to enable the subdirectory installation feature in Multisite.
     *                    Default 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() {
   
$existing_domain = network_domain_check();
    if (
$existing_domain ) {
        return
$existing_domain;
    }
   
$domain = preg_replace( '|https?://|', '', get_option( 'siteurl' ) );
   
$slash  = strpos( $domain, '/' );
    if (
$slash ) {
       
$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 false|WP_Error $errors Optional. Error object. Default false.
 */
function network_step1( $errors = false ) {
    global
$is_apache;

    if (
defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) ) {
        echo
'<div class="error"><p><strong>' . __( 'Error:' ) . '</strong> ' . sprintf(
           
/* translators: %s: DO_NOT_UPGRADE_GLOBAL_TABLES */
           
__( 'The constant %s cannot be defined when creating a network.' ),
           
'<code>DO_NOT_UPGRADE_GLOBAL_TABLES</code>'
       
) . '</p></div>';
        echo
'</div>';
        require_once
ABSPATH . 'wp-admin/admin-footer.php';
        die();
    }

   
$active_plugins = get_option( 'active_plugins' );
    if ( ! empty(
$active_plugins ) ) {
        echo
'<div class="notice notice-warning"><p><strong>' . __( 'Warning:' ) . '</strong> ' . sprintf(
           
/* translators: %s: URL to Plugins screen. */
           
__( 'Please <a href="%s">deactivate your plugins</a> before enabling the Network feature.' ),
           
admin_url( 'plugins.php?plugin_status=active' )
        ) .
'</p></div>';
        echo
'<p>' . __( 'Once the network is created, you may reactivate your plugins.' ) . '</p>';
        echo
'</div>';
        require_once
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' ), true ) ) ) {
        echo
'<div class="error"><p><strong>' . __( 'Error:' ) . '</strong> ' . __( 'You cannot install a network of sites with your server address.' ) . '</p></div>';
        echo
'<p>' . sprintf(
           
/* translators: %s: Port number. */
           
__( 'You cannot use port numbers such as %s.' ),
           
'<code>' . $has_ports . '</code>'
       
) . '</p>';
        echo
'<a href="' . esc_url( admin_url() ) . '">' . __( 'Go to Dashboard' ) . '</a>';
        echo
'</div>';
        require_once
ABSPATH . 'wp-admin/admin-footer.php';
        die();
    }

    echo
'<form method="post">';

   
wp_nonce_field( 'install-network-1' );

   
$error_codes = array();
    if (
is_wp_error( $errors ) ) {
        echo
'<div class="error"><p><strong>' . __( 'Error: The network could not be created.' ) . '</strong></p>';
        foreach (
$errors->get_error_messages() as $error ) {
            echo
"<p>$error</p>";
        }
        echo
'</div>';
       
$error_codes = $errors->get_error_codes();
    }

    if ( ! empty(
$_POST['sitename'] ) && ! in_array( 'empty_sitename', $error_codes, true ) ) {
       
$site_name = $_POST['sitename'];
    } else {
       
/* translators: %s: Default network title. */
       
$site_name = sprintf( __( '%s Sites' ), get_option( 'blogname' ) );
    }

    if ( ! empty(
$_POST['email'] ) && ! in_array( 'invalid_email', $error_codes, true ) ) {
       
$admin_email = $_POST['email'];
    } else {
       
$admin_email = get_option( 'admin_email' );
    }
   
?>
   <p><?php _e( 'Welcome to the Network installation process!' ); ?></p>
    <p><?php _e( 'Fill in the information below and you&#8217;ll be on your way to creating a network of WordPress sites. Configuration files will be created in the next step.' ); ?></p>
    <?php

   
if ( isset( $_POST['subdomain_install'] ) ) {
       
$subdomain_install = (bool) $_POST['subdomain_install'];
    } elseif (
apache_mod_loaded( 'mod_rewrite' ) ) { // Assume nothing.
       
$subdomain_install = true;
    } elseif ( !
allow_subdirectory_install() ) {
       
$subdomain_install = true;
    } else {
       
$subdomain_install = false;
       
$got_mod_rewrite   = got_mod_rewrite();
        if (
$got_mod_rewrite ) { // Dangerous assumptions.
           
echo '<div class="updated inline"><p><strong>' . __( 'Note:' ) . '</strong> ';
           
printf(
               
/* translators: %s: mod_rewrite */
               
__( 'Please make sure the Apache %s module is installed as it will be used at the end of this installation.' ),
               
'<code>mod_rewrite</code>'
           
);
            echo
'</p>';
        } elseif (
$is_apache ) {
            echo
'<div class="error inline"><p><strong>' . __( 'Warning:' ) . '</strong> ';
           
printf(
               
/* translators: %s: mod_rewrite */
               
__( 'It looks like the Apache %s module is not installed.' ),
               
'<code>mod_rewrite</code>'
           
);
            echo
'</p>';
        }

        if (
$got_mod_rewrite || $is_apache ) { // Protect against mod_rewrite mimicry (but ! Apache).
           
echo '<p>';
           
printf(
               
/* translators: 1: mod_rewrite, 2: mod_rewrite documentation URL, 3: Google search for mod_rewrite. */
               
__( 'If %1$s is disabled, ask your administrator to enable that module, or look at the <a href="%2$s">Apache documentation</a> or <a href="%3$s">elsewhere</a> for help setting it up.' ),
               
'<code>mod_rewrite</code>',
               
'https://httpd.apache.org/docs/mod/mod_rewrite.html',
               
'https://www.google.com/search?q=apache+mod_rewrite'
           
);
            echo
'</p></div>';
        }
    }

    if (
allow_subdomain_install() && allow_subdirectory_install() ) :
       
?>
       <h3><?php esc_html_e( 'Addresses of Sites in your Network' ); ?></h3>
        <p><?php _e( 'Please choose whether you would like sites in your WordPress network to use sub-domains or sub-directories.' ); ?>
           <strong><?php _e( 'You cannot change this later.' ); ?></strong></p>
        <p><?php _e( 'You will need a wildcard DNS record if you are going to use the virtual host (sub-domain) functionality.' ); ?></p>
        <?php // @todo Link to an MS readme? ?>
       <table class="form-table" role="presentation">
            <tr>
                <th><label><input type="radio" name="subdomain_install" value="1"<?php checked( $subdomain_install ); ?> /> <?php _e( 'Sub-domains' ); ?></label></th>
                <td>
                <?php
                printf
(
                   
/* translators: 1: Host name. */
                   
_x( 'like <code>site1.%1$s</code> and <code>site2.%1$s</code>', 'subdomain examples' ),
                   
$hostname
               
);
               
?>
               </td>
            </tr>
            <tr>
                <th><label><input type="radio" name="subdomain_install" value="0"<?php checked( ! $subdomain_install ); ?> /> <?php _e( 'Sub-directories' ); ?></label></th>
                <td>
                <?php
                printf
(
                   
/* translators: 1: Host name. */
                   
_x( 'like <code>%1$s/site1</code> and <code>%1$s/site2</code>', 'subdirectory examples' ),
                   
$hostname
               
);
               
?>
               </td>
            </tr>
        </table>

        <?php
   
endif;

    if (
WP_CONTENT_DIR !== ABSPATH . 'wp-content' && ( allow_subdirectory_install() || ! allow_subdomain_install() ) ) {
        echo
'<div class="error inline"><p><strong>' . __( 'Warning:' ) . '</strong> ' . __( 'Subdirectory networks may not be fully compatible with custom wp-content directories.' ) . '</p></div>';
    }

   
$is_www = ( 0 === strpos( $hostname, 'www.' ) );
    if (
$is_www ) :
       
?>
       <h3><?php esc_html_e( 'Server Address' ); ?></h3>
        <p>
        <?php
        printf
(
           
/* translators: 1: Site URL, 2: Host name, 3: www. */
           
__( 'You should consider changing your site domain to %1$s before enabling the network feature. It will still be possible to visit your site using the %3$s prefix with an address like %2$s but any links will not have the %3$s prefix.' ),
           
'<code>' . substr( $hostname, 4 ) . '</code>',
           
'<code>' . $hostname . '</code>',
           
'<code>www</code>'
       
);
       
?>
       </p>
        <table class="form-table" role="presentation">
            <tr>
            <th scope='row'><?php esc_html_e( 'Server Address' ); ?></th>
            <td>
                <?php
                    printf
(
                       
/* translators: %s: Host name. */
                       
__( 'The internet address of your network will be %s.' ),
                       
'<code>' . $hostname . '</code>'
                   
);
               
?>
               </td>
            </tr>
        </table>
        <?php endif; ?>

        <h3><?php esc_html_e( 'Network Details' ); ?></h3>
        <table class="form-table" role="presentation">
        <?php if ( 'localhost' === $hostname ) : ?>
           <tr>
                <th scope="row"><?php esc_html_e( 'Sub-directory Installation' ); ?></th>
                <td>
                <?php
                    printf
(
                       
/* translators: 1: localhost, 2: localhost.localdomain */
                       
__( 'Because you are using %1$s, the sites in your WordPress network must use sub-directories. Consider using %2$s if you wish to use sub-domains.' ),
                       
'<code>localhost</code>',
                       
'<code>localhost.localdomain</code>'
                   
);
                   
// Uh oh:
               
if ( ! allow_subdirectory_install() ) {
                    echo
' <strong>' . __( 'Warning:' ) . ' ' . __( 'The main site in a sub-directory installation will need to use a modified permalink structure, potentially breaking existing links.' ) . '</strong>';
                }
               
?>
               </td>
            </tr>
        <?php elseif ( ! allow_subdomain_install() ) : ?>
           <tr>
                <th scope="row"><?php esc_html_e( 'Sub-directory Installation' ); ?></th>
                <td>
                <?php
                    _e
( 'Because your installation is in a directory, the sites in your WordPress network must use sub-directories.' );
                   
// Uh oh:
               
if ( ! allow_subdirectory_install() ) {
                    echo
' <strong>' . __( 'Warning:' ) . ' ' . __( 'The main site in a sub-directory installation will need to use a modified permalink structure, potentially breaking existing links.' ) . '</strong>';
                }
               
?>
               </td>
            </tr>
        <?php elseif ( ! allow_subdirectory_install() ) : ?>
           <tr>
                <th scope="row"><?php esc_html_e( 'Sub-domain Installation' ); ?></th>
                <td>
                <?php
                _e
( 'Because your installation is not new, the sites in your WordPress network must use sub-domains.' );
                    echo
' <strong>' . __( 'The main site in a sub-directory installation will need to use a modified permalink structure, potentially breaking existing links.' ) . '</strong>';
               
?>
               </td>
            </tr>
        <?php endif; ?>
       <?php if ( ! $is_www ) : ?>
           <tr>
                <th scope='row'><?php esc_html_e( 'Server Address' ); ?></th>
                <td>
                    <?php
                    printf
(
                       
/* translators: %s: Host name. */
                       
__( 'The internet address of your network will be %s.' ),
                       
'<code>' . $hostname . '</code>'
                   
);
                   
?>
               </td>
            </tr>
        <?php endif; ?>
           <tr>
                <th scope='row'><label for="sitename"><?php esc_html_e( 'Network Title' ); ?></label></th>
                <td>
                    <input name='sitename' id='sitename' type='text' size='45' value='<?php echo esc_attr( $site_name ); ?>' />
                    <p class="description">
                        <?php _e( 'What would you like to call your network?' ); ?>
                   </p>
                </td>
            </tr>
            <tr>
                <th scope='row'><label for="email"><?php esc_html_e( 'Network Admin Email' ); ?></label></th>
                <td>
                    <input name='email' id='email' type='text' size='45' value='<?php echo esc_attr( $admin_email ); ?>' />
                    <p class="description">
                        <?php _e( 'Your email address.' ); ?>
                   </p>
                </td>
            </tr>
        </table>
        <?php submit_button( __( 'Install' ), 'primary', 'submit' ); ?>
   </form>
    <?php
}

/**
 * Prints step 2 for Network installation process.
 *
 * @since 3.0.0
 *
 * @global wpdb $wpdb     WordPress database abstraction object.
 * @global bool $is_nginx Whether the server software is Nginx or something else.
 *
 * @param false|WP_Error $errors Optional. Error object. Default false.
 */
function network_step2( $errors = false ) {
    global
$wpdb, $is_nginx;

   
$hostname          = get_clean_basedomain();
   
$slashed_home      = trailingslashit( get_option( 'home' ) );
   
$base              = parse_url( $slashed_home, PHP_URL_PATH );
   
$document_root_fix = str_replace( '\\', '/', realpath( $_SERVER['DOCUMENT_ROOT'] ) );
   
$abspath_fix       = str_replace( '\\', '/', ABSPATH );
   
$home_path         = 0 === strpos( $abspath_fix, $document_root_fix ) ? $document_root_fix . $base : get_home_path();
   
$wp_siteurl_subdir = preg_replace( '#^' . preg_quote( $home_path, '#' ) . '#', '', $abspath_fix );
   
$rewrite_base      = ! empty( $wp_siteurl_subdir ) ? ltrim( trailingslashit( $wp_siteurl_subdir ), '/' ) : '';

   
$location_of_wp_config = $abspath_fix;
    if ( !
file_exists( ABSPATH . 'wp-config.php' ) && file_exists( dirname( ABSPATH ) . '/wp-config.php' ) ) {
       
$location_of_wp_config = dirname( $abspath_fix );
    }
   
$location_of_wp_config = trailingslashit( $location_of_wp_config );

   
// Wildcard DNS message.
   
if ( is_wp_error( $errors ) ) {
        echo
'<div class="error">' . $errors->get_error_message() . '</div>';
    }

    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();
           
?>
   <p><?php _e( 'The original configuration steps are shown here for reference.' ); ?></p>
            <?php
       
} else {
           
$subdomain_install = (bool) $wpdb->get_var( "SELECT meta_value FROM $wpdb->sitemeta WHERE site_id = 1 AND meta_key = 'subdomain_install'" );
           
?>
   <div class="error"><p><strong><?php _e( 'Warning:' ); ?></strong> <?php _e( 'An existing WordPress network was detected.' ); ?></p></div>
    <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>
            <?php
       
}
    }

   
$subdir_match          = $subdomain_install ? '' : '([_0-9a-zA-Z-]+/)?';
   
$subdir_replacement_01 = $subdomain_install ? '' : '$1';
   
$subdir_replacement_12 = $subdomain_install ? '$1' : '$2';

    if (
$_POST || ! is_multisite() ) {
       
?>
       <h3><?php esc_html_e( 'Enabling the Network' ); ?></h3>
        <p><?php _e( 'Complete the following steps to enable the features for creating a network of sites.' ); ?></p>
        <div class="notice notice-warning inline"><p>
        <?php
       
if ( file_exists( $home_path . '.htaccess' ) ) {
            echo
'<strong>' . __( 'Caution:' ) . '</strong> ';
           
printf(
               
/* translators: 1: wp-config.php, 2: .htaccess */
               
__( 'You should back up your existing %1$s and %2$s files.' ),
               
'<code>wp-config.php</code>',
               
'<code>.htaccess</code>'
           
);
        } elseif (
file_exists( $home_path . 'web.config' ) ) {
            echo
'<strong>' . __( 'Caution:' ) . '</strong> ';
           
printf(
               
/* translators: 1: wp-config.php, 2: web.config */
               
__( 'You should back up your existing %1$s and %2$s files.' ),
               
'<code>wp-config.php</code>',
               
'<code>web.config</code>'
           
);
        } else {
            echo
'<strong>' . __( 'Caution:' ) . '</strong> ';
           
printf(
               
/* translators: %s: wp-config.php */
               
__( 'You should back up your existing %s file.' ),
               
'<code>wp-config.php</code>'
           
);
        }
       
?>
       </p></div>
        <?php
   
}
   
?>
   <ol>
        <li><p>
        <?php
        printf
(
           
/* translators: 1: wp-config.php, 2: Location of wp-config file, 3: Translated version of "That's all, stop editing! Happy publishing." */
           
__( 'Add the following to your %1$s file in %2$s <strong>above</strong> the line reading %3$s:' ),
           
'<code>wp-config.php</code>',
           
'<code>' . $location_of_wp_config . '</code>',
           
/*
             * translators: This string should only be translated if wp-config-sample.php is localized.
             * You can check the localized release package or
             * https://i18n.svn.wordpress.org/<locale code>/branches/<wp version>/dist/wp-config-sample.php
             */
           
'<code>/* ' . __( 'That&#8217;s all, stop editing! Happy publishing.' ) . ' */</code>'
       
);
       
?>
       </p>
        <textarea class="code" readonly="readonly" cols="100" rows="7">
define( 'MULTISITE', true );
define( 'SUBDOMAIN_INSTALL', <?php echo $subdomain_install ? 'true' : 'false'; ?> );
define( 'DOMAIN_CURRENT_SITE', '<?php echo $hostname; ?>' );
define( 'PATH_CURRENT_SITE', '<?php echo $base; ?>' );
define( 'SITE_ID_CURRENT_SITE', 1 );
define( 'BLOG_ID_CURRENT_SITE', 1 );
</textarea>
        <?php
        $keys_salts
= array(
           
'AUTH_KEY'         => '',
           
'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 );
           
?>
       <p>
            <?php
           
if ( 1 === $num_keys_salts ) {
               
printf(
                   
/* translators: %s: wp-config.php */
                   
__( 'This unique authentication key is also missing from your %s file.' ),
                   
'<code>wp-config.php</code>'
               
);
            } else {
               
printf(
                   
/* translators: %s: wp-config.php */
                   
__( 'These unique authentication keys are also missing from your %s file.' ),
                   
'<code>wp-config.php</code>'
               
);
            }
           
?>
           <?php _e( 'To make your installation more secure, you should also add:' ); ?>
       </p>
        <textarea class="code" readonly="readonly" cols="100" rows="<?php echo $num_keys_salts; ?>"><?php echo esc_textarea( $keys_salts_str ); ?></textarea>
            <?php
       
}
       
?>
       </li>
    <?php
   
if ( iis7_supports_permalinks() ) :
       
// IIS doesn't support RewriteBase, all your RewriteBase are belong to us.
       
$iis_subdir_match       = ltrim( $base, '/' ) . $subdir_match;
       
$iis_rewrite_base       = ltrim( $base, '/' ) . $rewrite_base;
       
$iis_subdir_replacement = $subdomain_install ? '' : '{R:1}';

       
$web_config_file = '<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <system.webServer>
        <rewrite>
            <rules>
                <rule name="WordPress Rule 1" stopProcessing="true">
                    <match url="^index\.php$" ignoreCase="false" />
                    <action type="None" />
                </rule>'
;
        if (
is_multisite() && get_site_option( 'ms_files_rewriting' ) ) {
           
$web_config_file .= '
                <rule name="WordPress Rule for Files" stopProcessing="true">
                    <match url="^'
. $iis_subdir_match . 'files/(.+)" ignoreCase="false" />
                    <action type="Rewrite" url="'
. $iis_rewrite_base . WPINC . '/ms-files.php?file={R:1}" appendQueryString="false" />
                </rule>'
;
        }
           
$web_config_file .= '
                <rule name="WordPress Rule 2" stopProcessing="true">
                    <match url="^'
. $iis_subdir_match . 'wp-admin$" ignoreCase="false" />
                    <action type="Redirect" url="'
. $iis_subdir_replacement . 'wp-admin/" redirectType="Permanent" />
                </rule>
                <rule name="WordPress Rule 3" stopProcessing="true">
                    <match url="^" ignoreCase="false" />
                    <conditions logicalGrouping="MatchAny">
                        <add input="{REQUEST_FILENAME}" matchType="IsFile" ignoreCase="false" />
                        <add input="{REQUEST_FILENAME}" matchType="IsDirectory" ignoreCase="false" />
                    </conditions>
                    <action type="None" />
                </rule>
                <rule name="WordPress Rule 4" stopProcessing="true">
                    <match url="^'
. $iis_subdir_match . '(wp-(content|admin|includes).*)" ignoreCase="false" />
                    <action type="Rewrite" url="'
. $iis_rewrite_base . '{R:1}" />
                </rule>
                <rule name="WordPress Rule 5" stopProcessing="true">
                    <match url="^'
. $iis_subdir_match . '([_0-9a-zA-Z-]+/)?(.*\.php)$" ignoreCase="false" />
                    <action type="Rewrite" url="'
. $iis_rewrite_base . '{R:2}" />
                </rule>
                <rule name="WordPress Rule 6" stopProcessing="true">
                    <match url="." ignoreCase="false" />
                    <action type="Rewrite" url="index.php" />
                </rule>
            </rules>
        </rewrite>
    </system.webServer>
</configuration>
'
;

            echo
'<li><p>';
           
printf(
               
/* translators: 1: File name (.htaccess or web.config), 2: File path. */
               
__( 'Add the following to your %1$s file in %2$s, <strong>replacing</strong> other WordPress rules:' ),
               
'<code>web.config</code>',
               
'<code>' . $home_path . '</code>'
           
);
        echo
'</p>';
        if ( !
$subdomain_install && WP_CONTENT_DIR !== ABSPATH . 'wp-content' ) {
            echo
'<p><strong>' . __( 'Warning:' ) . ' ' . __( 'Subdirectory networks may not be fully compatible with custom wp-content directories.' ) . '</strong></p>';
        }
       
?>
       <textarea class="code" readonly="readonly" cols="100" rows="20"><?php echo esc_textarea( $web_config_file ); ?></textarea>
        </li>
    </ol>

        <?php
   
elseif ( $is_nginx ) : // End iis7_supports_permalinks(). Link to Nginx documentation instead:

       
echo '<li><p>';
       
printf(
           
/* translators: %s: Documentation URL. */
           
__( 'It seems your network is running with Nginx web server. <a href="%s">Learn more about further configuration</a>.' ),
           
__( 'https://wordpress.org/support/article/nginx/' )
        );
        echo
'</p></li>';

    else :
// End $is_nginx. Construct an .htaccess file instead:

       
$ms_files_rewriting = '';
        if (
is_multisite() && get_site_option( 'ms_files_rewriting' ) ) {
           
$ms_files_rewriting  = "\n# uploaded files\nRewriteRule ^";
           
$ms_files_rewriting .= $subdir_match . "files/(.+) {$rewrite_base}" . WPINC . "/ms-files.php?file={$subdir_replacement_12} [L]" . "\n";
        }

       
$htaccess_file = <<<EOF
RewriteEngine On
RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]
RewriteBase
{$base}
RewriteRule ^index\.php$ - [L]
{$ms_files_rewriting}
# add a trailing slash to /wp-admin
RewriteRule ^
{$subdir_match}wp-admin$ {$subdir_replacement_01}wp-admin/ [R=301,L]

RewriteCond %{REQUEST_FILENAME} -f [OR]
RewriteCond %{REQUEST_FILENAME} -d
RewriteRule ^ - [L]
RewriteRule ^
{$subdir_match}(wp-(content|admin|includes).*) {$rewrite_base}{$subdir_replacement_12} [L]
RewriteRule ^
{$subdir_match}(.*\.php)$ {$rewrite_base}$subdir_replacement_12 [L]
RewriteRule . index.php [L]

EOF;

        echo
'<li><p>';
       
printf(
           
/* translators: 1: File name (.htaccess or web.config), 2: File path. */
           
__( 'Add the following to your %1$s file in %2$s, <strong>replacing</strong> other WordPress rules:' ),
           
'<code>.htaccess</code>',
           
'<code>' . $home_path . '</code>'
       
);
        echo
'</p>';
        if ( !
$subdomain_install && WP_CONTENT_DIR !== ABSPATH . 'wp-content' ) {
            echo
'<p><strong>' . __( 'Warning:' ) . ' ' . __( 'Subdirectory networks may not be fully compatible with custom wp-content directories.' ) . '</strong></p>';
        }
       
?>
       <textarea class="code" readonly="readonly" cols="100" rows="<?php echo substr_count( $htaccess_file, "\n" ) + 1; ?>"><?php echo esc_textarea( $htaccess_file ); ?></textarea>
        </li>
    </ol>

        <?php
   
endif; // End IIS/Nginx/Apache code branches.

   
if ( ! is_multisite() ) {
       
?>
       <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( wp_login_url() ); ?>"><?php _e( 'Log In' ); ?></a></p>
        <?php
   
}
}