hide_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;
}
if( isset( $current_site ) == false ) {
$path = substr( $_SERVER[ 'REQUEST_URI' ], 0, 1 + strpos( $_SERVER[ 'REQUEST_URI' ], '/', 1 ) );
if( constant( 'VHOST' ) == 'yes' ) {
$current_site = $wpdb->get_row( "SELECT * FROM $wpdb->site WHERE domain = '$domain' AND path='$path'" );
if( $current_site == null ) {
$current_site = $wpdb->get_row( "SELECT * FROM $wpdb->site WHERE domain = '$domain' AND path='/'" );
if( $current_site == null ) {
$sitedomain = substr( $domain, 1 + strpos( $domain, '.' ) );
$current_site = $wpdb->get_row( "SELECT * FROM $wpdb->site WHERE domain = '$sitedomain' AND path='$path'" );
if( $current_site == null ) {
$path = '/';
$current_site = $wpdb->get_row( "SELECT * FROM $wpdb->site WHERE domain = '$sitedomain' AND path='$path'" );
if( $current_site == null && defined( "WP_INSTALLING" ) == false ) {
if( count( $sites ) == 1 ) {
$current_site = $sites[0];
die( "That blog does not exist. Please try http://{$current_site->domain}{$current_site->path}" );
} else {
die( "No WPMU site defined on this host. If you are the owner of this site, please check Debugging WPMU for further assistance." );
}
}
}
} else {
$path = '/';
}
}
} else {
$current_site = $wpdb->get_row( "SELECT * FROM $wpdb->site WHERE domain = '$domain' AND path='$path'" );
if( $current_site == null ) {
$path = '/';
$current_site = $wpdb->get_row( "SELECT * FROM $wpdb->site WHERE domain = '$domain' AND path='$path'" );
if( $current_site == null && defined( "WP_INSTALLING" ) == false ) {
$sites = $wpdb->get_results( "SELECT * FROM $wpdb->site" );
if( count( $sites ) == 1 ) {
$current_site = $sites[0];
die( "That blog does not exist. Please try http://{$current_site->domain}{$current_site->path}" );
} else {
die( "No WPMU site defined on this host. If you are the owner of this site, please check Debugging WPMU for further assistance." );
}
}
}
}
}
if( constant( 'VHOST' ) == 'yes' ) {
$current_blog = $wpdb->get_row("SELECT * FROM $wpdb->blogs WHERE domain = '$domain'");
if( $current_blog != null ) {
$current_site = $wpdb->get_row("SELECT * FROM $wpdb->site WHERE id='{$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, '?' ) );
$blognames = array( 'page', 'comments', 'blog', 'wp-admin', 'wp-includes', 'wp-content', 'files', 'feed' );
if( $blogname == '' || in_array( $blogname, $blognames ) || is_file( $blogname ) || is_blogname_page( $blogname ) ) {
$current_blog = $wpdb->get_row("SELECT * FROM $wpdb->blogs WHERE domain = '$domain' AND path = '$path'");
} else {
$current_blog = $wpdb->get_row("SELECT * FROM $wpdb->blogs WHERE domain = '$domain' AND path = '{$path}{$blogname}/'");
}
}
if( defined( "WP_INSTALLING" ) == false ) {
if( $current_site && $current_blog == null ) {
header( "Location: http://{$current_site->domain}{$current_site->path}wp-signup.php?new=" . urlencode( $blogname ) );
die();
}
if( $current_blog == false || $current_site == false )
is_installed();
}
function is_blogname_page( $blogname ) {
global $wpdb, $table_prefix;
// is the request for a page of the main blog? We need to cache this information somewhere to save a request
$pages = $wpdb->get_col( "SELECT LOWER(post_name) FROM {$table_prefix}1_posts WHERE post_type='page'" );
if( is_array( $pages ) == false )
return false;
if( in_array( strtolower( $blogname ), $pages ) ) {
return true;
} else {
return false;
}
}
$blog_id = $current_blog->blog_id;
$public = $current_blog->public;
$site_id = $current_blog->site_id;
if( $site_id == 0 )
$site_id = 1;
$current_site->site_name = $wpdb->get_var( "SELECT meta_value FROM $wpdb->sitemeta WHERE site_id = '$site_id' AND meta_key = 'site_name'" );
if( $current_site->site_name == null )
$current_site->site_name = ucfirst( $current_site->domain );
if( $blog_id == false ) {
// no blog found, are we installing? Check if the table exists.
if ( defined('WP_INSTALLING') ) {
$query = "SELECT blog_id FROM ".$wpdb->blogs." limit 0,1";
$blog_id = $wpdb->get_var( $query );
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;
}
} 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->show_errors();
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.
If you are the owner of this site please check that MySQL is running properly and all tables are error free.
";
if( $check == false ) {
$msg .= "Database Tables Missing.
Database tables are missing. This means that MySQL is either not running, WPMU was not installed properly, or someone deleted {$wpdb->site}. You really should look at your database now.
";
} else {
$msg .= 'Could Not Find Blog!
';
$msg .= "Searched for " . $domain . $path . " in " . DB_NAME . "::" . $wpdb->blogs . " table. Is that right?
";
}
$msg .= "
\nWhat do I do now?
";
$msg .= "Read the bug report page. Some of the guidelines there may help you figure out what went wrong.
";
$msg .= "If you're still stuck with this message, then check that your database contains the following tables:
- $wpdb->blogs
- $wpdb->users
- $wpdb->usermeta
- $wpdb->site
- $wpdb->sitemeta
- $wpdb->sitecategories
";
$msg .= "If you suspect a problem please report it to the support forums but you must include the information asked for in the WPMU bug reporting guidelines!
";
if( is_file( 'release-info.txt' ) ) {
$msg .= 'Your bug report must include the following text: "';
$info = file( 'release-info.txt' );
$msg .= $info[ 4 ] . '"';
}
die( "Fatal Error
" . $msg );
}
}
$table_prefix = $table_prefix . $blog_id . '_';
?>