[wp-trac] [WordPress Trac] #31282: finally introduce comments templating

[WordPress Trac]

#31282: finally introduce comments templating
-------------------------+------------------------------
 Reporter:  ageibert     |       Owner:
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  Awaiting Review
Component:  Comments     |     Version:  4.1
 Severity:  normal       |  Resolution:
 Keywords:               |     Focuses:
-------------------------+------------------------------

Comment (by F J Kaiser):

 > [...] but the comments themself must be templated in a callback function

 Just a short clarification: The callback will not be used if there is
 ''no'' `walker` argument set (i.e. a custom Comment Walker class) as the
 callback is only used inside `Walker_Comment::start_el`. From 4.1.:

 {{{#!php
 if ( !empty( $args['callback'] ) ) {
         ob_start();
         call_user_func( $args['callback'], $comment, $args, $depth );
         $output .= ob_get_clean();
         return;
 }
 }}}

 A custom walker doesn't have to implement it. The same goes for the `end-
 callback` argument/callback.

 I didn't test this, but I assume that you could load a template part
 there, using `get_template_part()`. Example:

 {{{#!php
 // 'callback' => 'getCommentTemplatePart',

 function getCommentTemplatePart( $comment, $args, $depth )
 {
     // Make `$comment`, `$args` & `$depth` available in the template
     set_query_var( 'comment', $comment );
     set_query_var( 'args', $args );
     set_query_var( 'depth', $depth );

     // load ~/wp-content/your-theme/parts/comment-post.php
     get_template_part( 'parts/comment', 'post' );
 }

 // Inside parts/comment-post.php then just use `$comment`, `$args` and
 `$depth`
 }}}

 Above is untested and I'm not sure if it works, but you should give it a
 try. You can do the same thing for `end-callback` in case you really need
 it.

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Ticket URL: <https://core.trac.wordpress.org/ticket/31282#comment:2>
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