Using Dates in Custom post_type Permalinks in Wordpress 3.0

Question

I'm adding a custom post_type to Wordpress, and would like the permalink structure to look like this:

/%post_type%/%year%/%monthnum%/%postname%/

I can't figure out how to add the date tags. Using this code, gives me /my_type/example-post-slug/:

register_post_type( 'customtype', array(
    ...other options...
    'rewrite' => array('slug' => 'my_type'),
));

How do I include the dates?

Answer 1

You can achieve this with the plugin Custom Post Type Permalinks. Just install the plugin and change the permalink format in the settings.

Answer 2

You need to add WordPress structure tags to your rewrite attribute like so:

register_post_type('customtype',array(
    ....
    'rewrite' => array('slug' => 'customtype/%year%/%monthnum%','with_front' => false)
));

Then add a post_type_link filter to rewrite the structure tags in your URLs for the custom post, so that the tags work:

function custompost_post_type_link($url, $post) {
    if ( 'customtype' == get_post_type($post) ) {
        $url = str_replace( "%year%", get_the_date('Y'), $url );
        $url = str_replace( "%monthnum%", get_the_date('m'), $url );
    }
    return $url;
}
add_filter('post_type_link', 'custompost_post_type_link', 10, 2);

You can refer to this article for copypasta code (encapsulated in a class though) on creating custom posts like this. The article has a few extra bits of explanation and a few pieces of additional functionality too: https://blog.terresquall.com/2021/03/making-date-based-permalinks-for-custom-posts-in-wordpress/

EDIT: By the way, you'll also need to flush your permalinks after you're done for this to work.