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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 |
---|---|
745 |
|
746 | /** |
747 | * Filter the returned comment count for a post. |
748 | * |
749 | * @since 1.5.0 |
750 | * |
751 | * @param int $count Number of comments a post has. |
752 | * @param int $post_id Post ID. |
753 | */ |
754 | return apply_filters( 'get_comments_number', $count, $post_id ); |
755 | } |
756 |
|
757 | /** |
758 | * Display the language string for the number of comments the current post has. |
759 | * |
760 | * @since 0.71 |
761 | * |
762 | * @param string $zero Optional. Text for no comments. Default false. |
763 | * @param string $one Optional. Text for one comment. Default false. |