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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 688 | $posts_columns = array(); |
| 689 | $posts_columns['cb'] = '<input type="checkbox" />'; |
| 690 | $posts_columns['title'] = _c('Post|noun'); |
| 691 | $posts_columns['author'] = __('Author'); |
| 692 | $posts_columns['categories'] = __('Categories'); |
| 693 | $posts_columns['tags'] = __('Tags'); |
| 694 | if ( !isset($_GET['post_status']) || !in_array($_GET['post_status'], array('pending', 'draft', 'future')) ) |
| 695 | $posts_columns['comments'] = '<div class="vers"><img alt="Comments" src="images/comment-grey-bubble.png" /></div>'; |
| 696 | $posts_columns['date'] = __('Date'); |
| 697 | $posts_columns = apply_filters('manage_posts_columns', $posts_columns); |
| 698 | |
| 699 | return $posts_columns; |
| 700 | } |
| 701 | |
| 702 | // define the columns to display, the syntax is 'internal name' => 'display name' |
| 703 | /** |
| 704 | * {@internal Missing Short Description}} |
| 705 | * |
| 706 | * @since unknown |