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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 |
|---|---|
| 1059 | // keep $comments for legacy's sake |
| 1060 | /** |
| 1061 | * Filter the comments array. |
| 1062 | * |
| 1063 | * @since 2.1.0 |
| 1064 | * |
| 1065 | * @param array $comments The array of comments supplied to the comments template. |
| 1066 | * @param int $post->ID The post ID. |
| 1067 | */ |
| 1068 | $wp_query->comments = apply_filters( 'comments_array', $comments, $post->ID ); |
| 1069 | $comments = &$wp_query->comments; |
| 1070 | $wp_query->comment_count = count($wp_query->comments); |
| 1071 | update_comment_cache($wp_query->comments); |
| 1072 | |
| 1073 | if ( $separate_comments ) { |
| 1074 | $wp_query->comments_by_type = separate_comments($comments); |
| 1075 | $comments_by_type = &$wp_query->comments_by_type; |
| 1076 | } |
| 1077 | |