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I've created a unique single post template to give people the option of reading all posts of a certain category using the awesome "reveal.js" which they access via this link

<a href="?show=presentation/">presentation</a>

The problem is the ugly URLs, which end up looking like

website.com/post-name/?show=presentation
website.com/completely-different-post-name/?show=presentation

I would like them to look like

website.com/post-name/presentation/
website.com/completely-different-post-name/presentation/

I've spent the last 10 or so hours trying to figure this out (I haven't even gone to sleep yet, lol); unfortunately, nothing has worked.

Is there a way to do this?

As a side note, the site I'm trying to do this on is installed in a subdirectory (localhost/wp) but I'm developing this for my actual website which is installed in a top level directory

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1 Answer 1

up vote 1 down vote accepted

You can achieve this via the Rewrite API's add_rewrite_endpoint:

function wpa89344_add_presentation_endpoint(){
    add_rewrite_endpoint( 'presentation', EP_PERMALINK );
}
add_action('init', 'wpa89344_add_presentation_endpoint');

Then in your template or wherever you differentiate a presentation vs normal view, check the global $wp_query for the presence of the presentation query var:

global $wp_query;
if( isset( $wp_query->query_vars['presentation'] ) ){
    include(TEMPLATEPATH . "/single_wide_report.php");
} else {
    include(TEMPLATEPATH . "/single_normal_report.php");
}

Note that you need to visit the permalinks settings page after adding the endpoint to flush permalinks and create the new rewrite rules.

EDIT- Output of $wp_query in single.php:

enter image description here

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thanks Milo! Looks like I had the first part right (at one point); could you explain the second part just a bit more for me. At the moment I'm calling both templates with switch ($_GET["show"]) { case "presentation": include(TEMPLATEPATH . "/single_wide_report.php"); break; default: include(TEMPLATEPATH . "/single_normal_report.php"); break; } –  John Mar 4 '13 at 18:11
    
see edit above. –  Milo Mar 4 '13 at 18:30
    
is there supposed to be a semi-colon after global $wp_query? Without one, my posts go blank on me. With a semi-colon, though, I can't access the presentations template at all (even with the old ?show=presentation) Probably I'm missing something. –  John Mar 4 '13 at 18:43
    
yeah, sorry, missing the semicolon. enable debugging to see php errors. have you flushed permalinks? view the $wp_query global to see if the query var is being set: print_r($wp_query);. –  Milo Mar 4 '13 at 18:47
    
no worries, I'm learning lots. Everything's clear with the debug, there weren't any errors. And I'm flushing permalinks. Lastly, I added print_r($wp_query); to single_normal_report.php I'm not too sure what to look for though. Didn't see any reference to the templates –  John Mar 4 '13 at 19:05

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