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<title>[12602] trunk/wp-includes/ms-settings.php: Adding multi-site settings code</title>
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<body>
<div id="msg">
<dl>
<dt>Revision</dt> <dd><a href="http://trac.wordpress.org/changeset/12602">12602</a></dd>
<dt>Author</dt> <dd>wpmuguru</dd>
<dt>Date</dt> <dd>2010-01-05 20:59:48 +0000 (Tue, 05 Jan 2010)</dd>
</dl>
<h3>Log Message</h3>
<pre>Adding multi-site settings code</pre>
<h3>Added Paths</h3>
<ul>
<li><a href="#trunkwpincludesmssettingsphp">trunk/wp-includes/ms-settings.php</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkwpincludesmssettingsphp"></a>
<div class="addfile"><h4>Added: trunk/wp-includes/ms-settings.php (0 => 12602)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-includes/ms-settings.php (rev 0)
+++ trunk/wp-includes/ms-settings.php 2010-01-05 20:59:48 UTC (rev 12602)
</span><span class="lines">@@ -0,0 +1,245 @@
</span><ins>+<?php
+if( isset( $current_site ) && isset( $current_blog ) )
+ return;
+
+// depreciated
+$wpmuBaseTablePrefix = $table_prefix;
+
+$domain = addslashes( $_SERVER['HTTP_HOST'] );
+if( substr( $domain, 0, 4 ) == 'www.' )
+ $domain = substr( $domain, 4 );
+if( strpos( $domain, ':' ) ) {
+ if( substr( $domain, -3 ) == ':80' ) {
+ $domain = substr( $domain, 0, -3 );
+ $_SERVER['HTTP_HOST'] = substr( $_SERVER['HTTP_HOST'], 0, -3 );
+ } elseif( substr( $domain, -4 ) == ':443' ) {
+ $domain = substr( $domain, 0, -4 );
+ $_SERVER['HTTP_HOST'] = substr( $_SERVER['HTTP_HOST'], 0, -4 );
+ } else {
+ die( 'WPMU only works without the port number in the URL.' );
+ }
+}
+$domain = preg_replace('/:.*$/', '', $domain); // Strip ports
+if( substr( $domain, -1 ) == '.' )
+ $domain = substr( $domain, 0, -1 );
+
+$path = preg_replace( '|([a-z0-9-]+.php.*)|', '', $_SERVER['REQUEST_URI'] );
+$path = str_replace ( '/wp-admin/', '/', $path );
+$path = preg_replace( '|(/[a-z0-9-]+?/).*|', '$1', $path );
+
+function get_current_site_name( $current_site ) {
+ global $wpdb;
+ $current_site->site_name = wp_cache_get( $current_site->id . ':current_site_name', "site-options" );
+ if ( !$current_site->site_name ) {
+ $current_site->site_name = $wpdb->get_var( $wpdb->prepare( "SELECT meta_value FROM $wpdb->sitemeta WHERE site_id = %d AND meta_key = 'site_name'", $current_site->id ) );
+ if( $current_site->site_name == null )
+ $current_site->site_name = ucfirst( $current_site->domain );
+ wp_cache_set( $current_site->id . ':current_site_name', $current_site->site_name, 'site-options');
+ }
+ return $current_site;
+}
+
+function wpmu_current_site() {
+ global $wpdb, $current_site, $domain, $path, $sites;
+ if( defined( 'DOMAIN_CURRENT_SITE' ) && defined( 'PATH_CURRENT_SITE' ) ) {
+ $current_site->id = (defined( 'SITE_ID_CURRENT_SITE' ) ? constant('SITE_ID_CURRENT_SITE') : 1);
+ $current_site->domain = DOMAIN_CURRENT_SITE;
+ $current_site->path = $path = PATH_CURRENT_SITE;
+ if( defined( 'BLOGID_CURRENT_SITE' ) )
+ $current_site->blog_id = BLOGID_CURRENT_SITE;
+ return $current_site;
+ }
+
+ $current_site = wp_cache_get( "current_site", "site-options" );
+ if( $current_site )
+ return $current_site;
+
+ $wpdb->suppress_errors();
+ $sites = $wpdb->get_results( "SELECT * FROM $wpdb->site" ); // usually only one site
+ if( count( $sites ) == 1 ) {
+ $current_site = $sites[0];
+ $path = $current_site->path;
+ $current_site->blog_id = $wpdb->get_var( "SELECT blog_id FROM {$wpdb->blogs} WHERE domain='{$current_site->domain}' AND path='{$current_site->path}'" );
+ $current_site = get_current_site_name( $current_site );
+ wp_cache_set( "current_site", $current_site, "site-options" );
+ return $current_site;
+ }
+ $path = substr( $_SERVER[ 'REQUEST_URI' ], 0, 1 + strpos( $_SERVER[ 'REQUEST_URI' ], '/', 1 ) );
+ if( constant( 'VHOST' ) == 'yes' ) {
+ $current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain = %s AND path = %s", $domain, $path) );
+ if( $current_site != null )
+ return $current_site;
+ $current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain = %s AND path='/'", $domain) );
+ if( $current_site != null ) {
+ $path = '/';
+ return $current_site;
+ }
+
+ $sitedomain = substr( $domain, 1 + strpos( $domain, '.' ) );
+ $current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain = %s AND path = %s", $sitedomain, $path) );
+ if( $current_site != null )
+ return $current_site;
+ $current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain = %s AND path='/'", $sitedomain) );
+ if( $current_site == null && defined( "WP_INSTALLING" ) == false ) {
+ if( count( $sites ) == 1 ) {
+ $current_site = $sites[0];
+ die( "That blog does not exist. Please try <a href='http://{$current_site->domain}{$current_site->path}'>http://{$current_site->domain}{$current_site->path}</a>" );
+ } else {
+ die( "No WPMU site defined on this host. If you are the owner of this site, please check <a href='http://codex.wordpress.org/Debugging_WPMU'>Debugging WPMU</a> for further assistance." );
+ }
+ } else {
+ $path = '/';
+ }
+ } else {
+ $current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain = %s AND path = %s", $domain, $path) );
+ if( $current_site != null )
+ return $current_site;
+ $current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain = %s AND path='/'", $domain) );
+ if( $current_site == null && defined( "WP_INSTALLING" ) == false ) {
+ if( count( $sites ) == 1 ) {
+ $current_site = $sites[0];
+ die( "That blog does not exist. Please try <a href='http://{$current_site->domain}{$current_site->path}'>http://{$current_site->domain}{$current_site->path}</a>" );
+ } else {
+ die( "No WPMU site defined on this host. If you are the owner of this site, please check <a href='http://codex.wordpress.org/Debugging_WPMU'>Debugging WPMU</a> for further assistance." );
+ }
+ } else {
+ $path = '/';
+ }
+ }
+ return $current_site;
+}
+
+$current_site = wpmu_current_site();
+if( !isset( $current_site->blog_id ) )
+ $current_site->blog_id = $wpdb->get_var( "SELECT blog_id FROM {$wpdb->blogs} WHERE domain='{$current_site->domain}' AND path='{$current_site->path}'" );
+
+if( constant( 'VHOST' ) == 'yes' ) {
+ $current_blog = wp_cache_get( 'current_blog_' . $domain, 'site-options' );
+ if( !$current_blog ) {
+ $current_blog = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->blogs WHERE domain = %s", $domain) );
+ if( $current_blog )
+ wp_cache_set( 'current_blog_' . $domain, $current_blog, 'site-options' );
+ }
+ if( $current_blog != null && $current_blog->site_id != $current_site->id ) {
+ $current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE id = %d", $current_blog->site_id) );
+ } else {
+ $blogname = substr( $domain, 0, strpos( $domain, '.' ) );
+ }
+} else {
+ $blogname = htmlspecialchars( substr( $_SERVER[ 'REQUEST_URI' ], strlen( $path ) ) );
+ if( strpos( $blogname, '/' ) )
+ $blogname = substr( $blogname, 0, strpos( $blogname, '/' ) );
+ if( strpos( " ".$blogname, '?' ) )
+ $blogname = substr( $blogname, 0, strpos( $blogname, '?' ) );
+ $reserved_blognames = array( 'page', 'comments', 'blog', 'wp-admin', 'wp-includes', 'wp-content', 'files', 'feed' );
+ if ( $blogname != '' && !in_array( $blogname, $reserved_blognames ) && !is_file( $blogname ) ) {
+ $path = $path . $blogname . '/';
+ }
+ $current_blog = wp_cache_get( 'current_blog_' . $domain . $path, 'site-options' );
+ if( !$current_blog ) {
+ $current_blog = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->blogs WHERE domain = %s AND path = %s", $domain, $path) );
+ if( $current_blog )
+ wp_cache_set( 'current_blog_' . $domain . $path, $current_blog, 'site-options' );
+ }
+}
+
+if( defined( "WP_INSTALLING" ) == false && constant( 'VHOST' ) == 'yes' && !is_object( $current_blog ) ) {
+ if( defined( 'NOBLOGREDIRECT' ) ) {
+ $destination = constant( 'NOBLOGREDIRECT' );
+ if ( $destination == '%siteurl%' )
+ $destination = "http://" . $current_site->domain . $current_site->path;
+ header( "Location: " . $destination);
+ die();
+ } else {
+ header( "Location: http://" . $current_site->domain . $current_site->path . "wp-signup.php?new=" . str_replace( '.' . $current_site->domain, '', $domain ) );
+ die();
+ }
+
+}
+
+if( defined( "WP_INSTALLING" ) == false ) {
+ if( $current_site && $current_blog == null ) {
+ if( $current_site->domain != $_SERVER[ 'HTTP_HOST' ] ) {
+ header( "Location: http://" . $current_site->domain . $current_site->path );
+ exit;
+ }
+ $current_blog = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->blogs WHERE domain = %s AND path = %s", $current_site->domain, $current_site->path) );
+ }
+ if( $current_blog == false || $current_site == false )
+ is_installed();
+}
+
+$blog_id = $current_blog->blog_id;
+$public = $current_blog->public;
+
+if( $current_blog->site_id == 0 || $current_blog->site_id == '' )
+ $current_blog->site_id = 1;
+$site_id = $current_blog->site_id;
+
+$current_site = get_current_site_name( $current_site );
+
+if( $blog_id == false ) {
+ // no blog found, are we installing? Check if the table exists.
+ if ( defined('WP_INSTALLING') ) {
+ $blog_id = $wpdb->get_var( "SELECT blog_id FROM $wpdb->blogs LIMIT 0,1" );
+ if( $blog_id == false ) {
+ // table doesn't exist. This is the first blog
+ $blog_id = 1;
+ } else {
+ // table exists
+ // don't create record at this stage. we're obviously installing so it doesn't matter what the table vars below are like.
+ // default to using the "main" blog.
+ $blog_id = 1;
+ }
+ $current_blog->blog_id = $blog_id;
+ } else {
+ $check = $wpdb->get_results( "SELECT * FROM $wpdb->site" );
+ if( $check == false ) {
+ $msg = ': DB Tables Missing';
+ } else {
+ $msg = '';
+ }
+ die( "No Blog by that name on this system." . $msg );
+ }
+}
+
+$wpdb->suppress_errors( false );
+
+if( '0' == $current_blog->public ) {
+ // This just means the blog shouldn't show up in google, etc. Only to registered members
+}
+
+function is_installed() {
+ global $wpdb, $domain, $path;
+ $base = stripslashes( $base );
+ if( defined( "WP_INSTALLING" ) == false ) {
+ $check = $wpdb->get_results( "SELECT * FROM $wpdb->site" );
+ $msg = "If your blog does not display, please contact the owner of this site.<br /><br />If you are the owner of this site please check that MySQL is running properly and all tables are error free.<br /><br />";
+ if( $check == false ) {
+ $msg .= "<strong>Database Tables Missing.</strong><br />Database tables are missing. This means that MySQL is either not running, WPMU was not installed properly, or someone deleted {$wpdb->site}. You really <em>should</em> look at your database now.<br />";
+ } else {
+ $msg .= '<strong>Could Not Find Blog!</strong><br />';
+ $msg .= "Searched for <em>" . $domain . $path . "</em> in " . DB_NAME . "::" . $wpdb->blogs . " table. Is that right?<br />";
+ }
+ $msg .= "<br />\n<h1>What do I do now?</h1>";
+ $msg .= "Read the <a target='_blank' href='http://codex.wordpress.org/Debugging_WPMU'>bug report</a> page. Some of the guidelines there may help you figure out what went wrong.<br />";
+ $msg .= "If you're still stuck with this message, then check that your database contains the following tables:<ul>
+ <li> $wpdb->blogs </li>
+ <li> $wpdb->users </li>
+ <li> $wpdb->usermeta </li>
+ <li> $wpdb->site </li>
+ <li> $wpdb->sitemeta </li>
+ <li> $wpdb->sitecategories </li>
+ </ul>";
+ $msg .= "If you suspect a problem please report it to the support forums but you must include the information asked for in the <a href='http://codex.wordpress.org/Debugging_WPMU'>WPMU bug reporting guidelines</a>!<br /><br />";
+ if( is_file( 'release-info.txt' ) ) {
+ $msg .= 'Your bug report must include the following text: "';
+ $info = file( 'release-info.txt' );
+ $msg .= $info[ 4 ] . '"';
+ }
+
+ die( "<h1>Fatal Error</h1> " . $msg );
+ }
+}
+
+?>
</ins><span class="cx">Property changes on: trunk/wp-includes/ms-settings.php
</span><span class="cx">___________________________________________________________________
</span><span class="cx">Name: svn:executable
</span><span class="cx"> + *
</span></span></pre>
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