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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.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 3020 | } |
| 3021 | |
| 3022 | /** |
| 3023 | * Filters the list of post types to automatically close comments for. |
| 3024 | * |
| 3025 | * @since 3.2.0 |
| 3026 | * |
| 3027 | * @param string[] $post_types An array of post type names. |
| 3028 | */ |
| 3029 | $post_types = apply_filters( 'close_comments_for_post_types', array( 'post' ) ); |
| 3030 | if ( ! in_array( $posts[0]->post_type, $post_types ) ) { |
| 3031 | return $posts; |
| 3032 | } |
| 3033 | |
| 3034 | $days_old = (int) get_option( 'close_comments_days_old' ); |
| 3035 | if ( ! $days_old ) { |
| 3036 | return $posts; |
| 3037 | } |
| 3038 | |
| Line | Code |
| 3065 | |
| 3066 | $days_old = (int) get_option( 'close_comments_days_old' ); |
| 3067 | if ( ! $days_old ) { |
| 3068 | return $open; |
| 3069 | } |
| 3070 | |
| 3071 | $post = get_post( $post_id ); |
| 3072 | |
| 3073 | /** This filter is documented in wp-includes/comment.php */ |
| 3074 | $post_types = apply_filters( 'close_comments_for_post_types', array( 'post' ) ); |
| 3075 | if ( ! in_array( $post->post_type, $post_types ) ) { |
| 3076 | return $open; |
| 3077 | } |
| 3078 | |
| 3079 | // Undated drafts should not show up as comments closed. |
| 3080 | if ( '0000-00-00 00:00:00' === $post->post_date_gmt ) { |
| 3081 | return $open; |
| 3082 | } |
| 3083 | |