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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 |
|---|---|
| 756 | /* translators: manage posts column name */ |
| 757 | $posts_columns['title'] = _x('Post', 'column name'); |
| 758 | $posts_columns['author'] = __('Author'); |
| 759 | $posts_columns['categories'] = __('Categories'); |
| 760 | $posts_columns['tags'] = __('Tags'); |
| 761 | $post_status = !empty($_REQUEST['post_status']) ? $_REQUEST['post_status'] : 'all'; |
| 762 | if ( !in_array( $post_status, array('pending', 'draft', 'future') ) ) |
| 763 | $posts_columns['comments'] = '<div class="vers"><img alt="Comments" src="images/comment-grey-bubble.png" /></div>'; |
| 764 | $posts_columns['date'] = __('Date'); |
| 765 | $posts_columns = apply_filters('manage_posts_columns', $posts_columns); |
| 766 | |
| 767 | return $posts_columns; |
| 768 | } |
| 769 | |
| 770 | // define the columns to display, the syntax is 'internal name' => 'display name' |
| 771 | /** |
| 772 | * {@internal Missing Short Description}} |
| 773 | * |
| 774 | * @since unknown |