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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 |
|---|---|
| 892 | |
| 893 | /** |
| 894 | * Filters the returned comment count for a post. |
| 895 | * |
| 896 | * @since 1.5.0 |
| 897 | * |
| 898 | * @param string|int $count A string representing the number of comments a post has, otherwise 0. |
| 899 | * @param int $post_id Post ID. |
| 900 | */ |
| 901 | return apply_filters( 'get_comments_number', $count, $post_id ); |
| 902 | } |
| 903 | |
| 904 | /** |
| 905 | * Displays the language string for the number of comments the current post has. |
| 906 | * |
| 907 | * @since 0.71 |
| 908 | * @since 5.4.0 The `$deprecated` parameter was changed to `$post`. |
| 909 | * |
| 910 | * @param string|false $zero Optional. Text for no comments. Default false. |