[wp-trac] [WordPress Trac] #33113: Add is_template_part() functionality

[WordPress Trac]

#33113: Add is_template_part() functionality
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 Reporter:  GunGeekATX   |       Owner:
     Type:  enhancement  |      Status:  closed
 Priority:  normal       |   Milestone:
Component:  Themes       |     Version:
 Severity:  normal       |  Resolution:  wontfix
 Keywords:               |     Focuses:
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Comment (by GunGeekATX):

 Core does call {{{do_action( "get_template_part_{$slug}", $slug, $name
 );}}}, but checking for that action as outlined above doesn't work.

 I this case, I have a template `partials/blog_landing/author-link.php`
 calling a filter:
 {{{$link_text = apply_filters( 'blog-landing-author-link-text',
 get_the_author() );}}}

 Inside the function for that filter, when I call
 {{{doing_action( 'get_template_part_partials/blog_landing/author');}}}, it
 always returns `false`.

 If I var_dump() the global `$wp_current_filter` variable being used by
 core's doing_action() and doing_filter() functions, it only has one item
 in the array, the `blog-landing-author-link-text` filter that is currently
 running.

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Ticket URL: <https://core.trac.wordpress.org/ticket/33113#comment:3>
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