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I'm trying to create a custom route for a WP Mutlisite network.

If you're familiar with WPMS, you know that the db tables for each blog on the network begin with something like {prefix}_2_. Normally, visiting mysite.com/blogname is what takes you to the blog's homepage. What I'd like to do, is have mysite.com/2 (look for numeric URI) route to the homepage of the blog whose db tables begin with {prefix}_2_.

Is this possible?

share|improve this question
Why? What problem do want to solve with that? – toscho Jan 30 '13 at 4:46
Just clarifying, the number is the blog/site ID. And the {prefix} is common to Multi or Single Site. – brasofilo Jan 30 '13 at 4:46
That's correct, @brasofilo. Obviously I was brain-dead by the time I posted this question. – user26750 Jan 31 '13 at 2:05
@toscho I wouldn't say it's a problem, I just have several reasons for wanting to do things a little differently. – user26750 Jan 31 '13 at 2:05
26750, you have a cool avatar, what about putting you nick/name in your profile? ;)) ::::::::::::::::::::: You can edit your Question whenever needed (add new info, clarify things, etc). – brasofilo Jan 31 '13 at 2:13
up vote 1 down vote accepted

Maybe you are looking for a URL Rewrite (.htaccess) answer, but a simple solution is giving the site name its ID.

site name as id

Not related, but useful: add a column with the site ID in the Sites screen (/wp-admin/network/sites.php).

Drop the plugin in the mu-plugins folder.

 * Plugin Name: Multisite - Add Site ID Column
 * Version: 0.1
 * Author: brasofilo 

add_filter( 'wpmu_blogs_columns', 'brsfl_get_id' );
add_action( 'manage_sites_custom_column', 'brsfl_add_columns' , 10, 2 );
add_action( 'manage_blogs_custom_column', 'brsfl_add_columns' , 10, 2 );
add_action( 'admin_head-sites.php', 'brsfl_add_style' );

function brsfl_get_id( $columns ) 
    $columns['blog_id'] = __('ID');
    return $columns;

function brsfl_add_columns( $column_name, $blog_id ) 
    if ( 'blog_id' === $column_name )
        echo $blog_id;
    return $column_name;

function brsfl_add_style() 
    echo '<style>#blog_id { width:7%; }</style>';
share|improve this answer
I went with a combination of your suggestion (use ID as site name) and an Apache rewrite: – user26750 Feb 5 '13 at 4:05
.htaccess: RewriteRule ^([0-9]+)/(.*)$ /$2?blog_id=$1 functions.php: add_action( 'parse_request', 'my_rewrite' ); function my_rewrite() { if ( is_numeric($_GET['blog_id']) ) { switch_to_blog($_GET['blog_id']); } } get next blog ID for blog name when creating new blog: ` wp_update_network_counts(); $blogName = get_blog_count() + 1; ` – user26750 Feb 5 '13 at 4:13
The idea is, I'm starting with just blog IDs in the URL for the early stages of my network, and at some point in the future (I have my reasons) I plan to allow site admins to claim a custom URL (site name). @brasofilo sorry, I'm new here (obviously) and I couldn't figure out how to "claim" this question in my "real" account :-/ – user26750 Feb 5 '13 at 4:13

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