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< ? php
/**
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* Network installation administration panel .
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*
* A multi - step process allowing the user to enable a network of WordPress sites .
*
* @ since 3.0 . 0
*
* @ package WordPress
* @ subpackage Administration
*/
/** WordPress Administration Bootstrap */
require_once ( './admin.php' );
if ( ! is_super_admin () )
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wp_die ( __ ( 'You do not have sufficient permissions to manage options for this site.' ) );
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// We need to create references to ms global tables to enable Network.
foreach ( $wpdb -> tables ( 'ms_global' ) as $table => $prefixed_table )
$wpdb -> $table = $prefixed_table ;
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/**
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* Check for an existing network .
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*
* @ since 3.0 . 0
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* @ return Whether a network exists .
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*/
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 ;
}
/**
* Get base domain of network .
*
* @ since 3.0 . 0
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* @ return string Base domain .
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*/
function get_clean_basedomain () {
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if ( $existing_domain = network_domain_check () )
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return $existing_domain ;
$domain = preg_replace ( '|https?://|' , '' , get_option ( 'siteurl' ) );
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if ( $slash = strpos ( $domain , '/' ) )
$domain = substr ( $domain , 0 , $slash );
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return $domain ;
}
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if ( ! network_domain_check () && ( ! defined ( 'WP_ALLOW_MULTISITE' ) || ! WP_ALLOW_MULTISITE ) )
wp_die ( __ ( 'You must define the <code>WP_ALLOW_MULTISITE</code> constant as true in your wp-config.php file to allow creation of a Network.' ) );
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$title = __ ( 'Create a Network of WordPress Sites' );
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$parent_file = 'tools.php' ;
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// @todo: Documentation?
// add_contextual_help( $current_screen, ... );
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include ( './admin-header.php' );
?>
< div class = " wrap " >
< ? php screen_icon (); ?>
< h2 >< ? php echo esc_html ( $title ); ?> </h2>
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< form method = " post " >
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< ? php
/**
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* Prints step 1 for Network installation process .
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*
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* @ todo Realistically , step 1 should be a welcome screen explaining what a Network is and such . Navigating to Tools > Network
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* should not be a sudden " Welcome to a new install process! Fill this out and click here. " See also contextual help todo .
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*
* @ since 3.0 . 0
*/
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function network_step1 ( $errors = false ) {
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$active_plugins = get_option ( 'active_plugins' );
if ( ! empty ( $active_plugins ) ) {
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echo '<div class="updated"><p><strong>' . __ ( 'Warning:' ) . '</strong> ' . sprintf ( __ ( 'Please <a href="%s">deactivate</a> your plugins before enabling the Network feature.' ), admin_url ( 'plugins.php' ) ) . '</p></div><p>' . __ ( ' Once the network is created, you may reactivate your plugins.' ) . '</p>' ;
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include ( './admin-footer.php' );
die ();
}
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$hostname = get_clean_basedomain ();
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$has_ports = strstr ( $hostname , ':' );
if ( ( false !== $has_ports && ! in_array ( $has_ports , array ( ':80' , ':443' ) ) )
|| ( $no_ip = preg_match ( '|[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+|' , $hostname ) ) ) {
echo '<div class="error"><p><strong>' . __ ( 'Error:' ) . '</strong> ' . __ ( 'You cannot install a network of sites with your server address.' ) . '</strong></p></div>' ;
if ( $no_ip )
echo '<p>' . __ ( 'You cannot use an IP address such as <code>127.0.0.1</code>.' ) . '</p>' ;
else
echo '<p>' . sprintf ( __ ( 'You cannot use port numbers such as <code>%s</code>.' ), $has_ports ) . '</p>' ;
echo '<a href="' . esc_url ( admin_url () ) . '">' . __ ( 'Return to Dashboard' ) . '</a>' ;
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include ( './admin-footer.php' );
die ();
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}
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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 ();
}
$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' );
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?>
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< p >< ? php _e ( 'Welcome to the Network installation process!' ); ?> </p>
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< p >< ? php _e ( " Fill in the information below and you'll be on your way to creating a network of WordPress sites. We'll create configuration files in the next step. " ); ?> </p>
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< ? php
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// @todo IIS...
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if ( ! empty ( $_POST [ 'subdomain_install' ] ) ) {
$subdomain_install = ( bool ) $_POST [ 'subdomain_install' ];
} elseif ( apache_mod_loaded ( 'mod_rewrite' ) ) { // assume nothing
$subdomain_install = true ;
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} else {
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$subdomain_install = false ;
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if ( got_mod_rewrite () ) // dangerous assumptions
echo '<p>' . __ ( 'Please make sure the Apache <code>mod_rewrite</code> module is installed as it will be used at the end of this install.' ) . '</p>' ;
else
echo '<p>' . __ ( '<strong>Warning!</strong> It looks like Apache <code>mod_rewrite</code> module is not installed.' ) . '</p>' ;
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>' ;
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}
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if ( 'localhost' != $hostname ) : ?>
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< 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>You cannot change this later.</strong>' ); ?> </p>
< p >< ? php _e ( " You will need a wildcard DNS record if you're going to use the virtual host (sub-domain) functionality. " ); ?> </p>
< ? php /* @todo: Link to an MS readme? */ ?>
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< ? php if ( ! $subdomain_install ) { ?>
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< p >< ? php _e ( '<strong>Note</strong> It looks like <code>mod_rewrite</code> is not installed.' ); ?> </p>
< ? php } ?>
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< table class = " form-table " >
< tr >
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< th >< label >< input type = 'radio' name = 'subdomain_install' value = '1' < ? php checked ( $subdomain_install ); ?> /> Sub-domains</label></th>
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< td >< ? php _e ( 'like <code>site1.example.com</code> and <code>site2.example.com</code>' ); ?> </td>
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</ tr >
< tr >
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< th >< label >< input type = 'radio' name = 'subdomain_install' value = '0' < ? php checked ( ! $subdomain_install ); ?> /> Sub-directories</label></th>
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< td >< ? php _e ( 'like <code>example.com/site1</code> and <code>example.com/site2</code>' ); ?> </td>
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</ tr >
</ table >
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< ? php
endif ;
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$is_www = ( 0 === strpos ( $hostname , 'www.' ) );
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if ( $is_www ) :
?>
< h3 >< ? php esc_html_e ( 'Server Address' ); ?> </h3>
< p >< ? php printf ( __ ( 'We recommend you change your siteurl to <code>%1$s</code> before enabling the network feature. It will still be possible to visit your site using the "www" prefix with an address like <code>%2$s</code> but any links will not have the "www" prefix.' ), substr ( $hostname , 4 ), $hostname ); ?> </h3>
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< table class = " form-table " >
< tr >
< th scope = 'row' >< ? php esc_html_e ( 'Server Address' ); ?> </th>
< td >
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< ? php printf ( __ ( 'The Internet address of your network will be <code>%s</code>.' ), $hostname ); ?>
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</ td >
</ tr >
</ table >
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< ? php endif ; ?>
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< h3 >< ? php esc_html_e ( 'Network Details' ); ?> </h3>
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< table class = " form-table " >
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< ? php if ( 'localhost' == $hostname ) : ?>
< tr >
< th scope = " row " >< ? php esc_html_e ( 'Sub-directory Install' ); ?> </th>
< td >< ? php _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.' ); ?> </td>
</ tr >
< ? php endif ; ?>
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< ? php if ( ! $is_www ) : ?>
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< tr >
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< th scope = 'row' >< ? php esc_html_e ( 'Server Address' ); ?> </th>
< td >
< ? php printf ( __ ( 'The Internet address of your network will be <code>%s</code>.' ), $hostname ); ?>
</ td >
</ tr >
< ? php endif ; ?>
< tr >
< th scope = 'row' >< ? php esc_html_e ( 'Network Title' ); ?> </th>
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< td >
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< input name = 'sitename' type = 'text' size = '45' value = '<?php echo esc_attr( $site_name ); ?>' />
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< br />< ? php _e ( 'What would you like to call your network?' ); ?>
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</ td >
</ tr >
< tr >
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< th scope = 'row' >< ? php esc_html_e ( 'Admin E-mail Address' ); ?> </th>
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< td >
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< input name = 'email' type = 'text' size = '45' value = '<?php echo esc_attr( $admin_email ); ?>' />
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< br />< ? php _e ( 'Your email address.' ); ?>
</ td >
</ tr >
</ table >
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< p class = 'submit' >< input class = " button-primary " name = 'submit' type = 'submit' value = '<?php esc_attr_e( ' Install ' ); ?>' /></ p >
< ? php
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}
/**
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* Prints step 2 for Network installation process .
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*
* @ since 3.0 . 0
*/
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function network_step2 ( $errors = false ) {
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global $base , $wpdb ;
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$hostname = get_clean_basedomain ();
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// Wildcard DNS message.
if ( is_wp_error ( $errors ) )
echo '<div class="error">' . $errors -> get_error_message () . '</div>' ;
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if ( $_POST ) {
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$vhost = 'localhost' == $hostname ? false : ( bool ) $_POST [ 'subdomain_install' ];
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} else {
if ( is_multisite () ) {
$vhost = is_subdomain_install ();
?>
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< div class = " updated " >< p >< strong >< ? php _e ( 'Notice: The Network feature is already enabled.' ); ?> </strong> <?php _e( 'The original configuration steps are shown here for reference.' ); ?></p></div>
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< ? php } else {
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$vhost = ( bool ) $wpdb -> get_var ( " SELECT meta_value FROM $wpdb->sitemeta WHERE site_id = 1 AND meta_key = 'subdomain_install' " );
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?>
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< 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>
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< ? php
}
}
if ( $_POST || ! is_multisite () ) {
?>
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< h3 >< ? php esc_html_e ( 'Enabling the Network' ); ?> </h3>
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< p >< ? php _e ( 'Complete the following steps to enable the features for creating a network of sites.' ); ?> </p>
< div class = " updated inline " >< p >< ? php _e ( '<strong>Caution:</strong> We recommend you backup your existing <code>wp-config.php</code> and <code>.htaccess</code> files.' ); ?> </p></div>
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< ? php
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}
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?>
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< ol >
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< li >< p >< ? php printf ( __ ( 'Create a <code>blogs.dir</code> directory in <code>%s</code>. This directory is used to stored uploaded media for your additional sites and must be writeable by the web server.' ), WP_CONTENT_DIR ); ?> </p></li>
< li >< p >< ? php printf ( __ ( 'Add the following to your <code>wp-config.php</code> file in <code>%s</code>:' ), ABSPATH ); ?> </p>
< textarea class = " code " readonly = " readonly " cols = " 100 " rows = " 7 " >
define ( 'MULTISITE' , true );
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define ( 'VHOST' , '<?php echo $vhost ? ' yes ' : ' no '; ?>' );
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$base = '<?php echo $base; ?>' ;
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define ( 'DOMAIN_CURRENT_SITE' , '<?php echo $hostname; ?>' );
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define ( 'PATH_CURRENT_SITE' , '<?php echo $base; ?>' );
define ( 'SITE_ID_CURRENT_SITE' , 1 );
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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 ) ) {
$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 [ $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 [ $c ] = substr ( array_shift ( $from_api ), 28 , 64 );
}
}
$num_keys_salts = count ( $keys_salts );
?>
< p >< ? php
echo _n ( 'This unique authentication key is also missing from your <code>wp-config.php</code> file.' , 'These unique authentication keys are also missing from your <code>wp-config.php</code> file.' , $num_keys_salts ); ?> <?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
foreach ( $keys_salts as $c => $v ) {
echo " \n define( ' $c ', ' $v ' ); " ;
}
?> </textarea>
< ? php
}
?>
</ li >
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< ? php
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// Construct an htaccess file.
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$htaccess_file = ' RewriteEngine On
RewriteBase ' . $base . '
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# uploaded files
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RewriteRule ^ ' . ( $vhost ? ' ([ _0 - 9 a - zA - Z - ] +/ ) ? ' : ' ' ) . ' files / ( .+ ) wp - includes / ms - files . php ? file = $ 2 [ L ] ' . " \n " ;
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if ( ! $vhost )
$htaccess_file .= " \n # add a trailing slash to /wp-admin \n " . 'RewriteRule ^([_0-9a-zA-Z-]+/)?wp-admin$ $1wp-admin/ [R=301,L]' . " \n " ;
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$htaccess_file .= " \n " . ' RewriteCond % { REQUEST_FILENAME } - f [ OR ]
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RewriteCond % { REQUEST_FILENAME } - d
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RewriteRule ^ - [ L ] ' ;
// @todo custom content dir.
if ( ! $vhost )
$htaccess_file .= " \n " . ' RewriteRule ^ ([ _0 - 9 a - zA - Z - ] +/ ) ? ( wp - ( content | admin | includes ) .* ) $ 2 [ L ]
RewriteRule ^ ([ _0 - 9 a - zA - Z - ] +/ ) ? ( .* \ . php ) $ $ 2 [ L ] ' ;
$htaccess_file .= " \n RewriteRule . index.php [L] " ;
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?>
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< li >< p >< ? php printf ( __ ( 'Add the following to your <code>.htaccess</code> file in <code>%s</code>, replacing other WordPress rules:' ), ABSPATH ); ?> </p>
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< textarea class = " code " readonly = " readonly " cols = " 100 " rows = " <?php echo $vhost ? 10 : 15; ?> " >
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< ? php echo wp_htmledit_pre ( $htaccess_file ); ?>
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</ textarea ></ li >
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</ ol >
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< ? php if ( ! is_multisite () ) { ?>
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< p >< ? php printf ( __ ( 'Once you complete these steps, your network is enabled and configured.' ) ); ?> <a href="<?php echo esc_url( admin_url() ); ?>"><?php _e( 'Return to Dashboard' ); ?></a></p>
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< ? php
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}
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}
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$base = trailingslashit ( stripslashes ( dirname ( dirname ( $_SERVER [ 'SCRIPT_NAME' ] ) ) ) );
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if ( $_POST ) {
check_admin_referer ( 'install-network-1' );
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require_once ( ABSPATH . 'wp-admin/includes/upgrade.php' );
// create network tables
install_network ();
$hostname = get_clean_basedomain ();
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$subdomain_install = 'localhost' == $hostname ? false : ( bool ) $_POST [ 'subdomain_install' ];
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if ( ! network_domain_check () ) {
$result = populate_network ( 1 , get_clean_basedomain (), sanitize_email ( $_POST [ 'email' ] ), $_POST [ 'sitename' ], $base , $subdomain_install );
if ( is_wp_error ( $result ) ) {
if ( 1 == count ( $result -> get_error_codes () ) && 'no_wildcard_dns' == $result -> get_error_code () )
network_step2 ( $result );
else
network_step1 ( $result );
} else {
network_step2 ();
}
} else {
network_step2 ();
}
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} elseif ( is_multisite () || network_domain_check () ) {
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network_step2 ();
} else {
network_step1 ();
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}
?>
</ form >
</ div >
< ? php include ( './admin-footer.php' ); ?>