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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 |
|---|---|
| 1505 | |
| 1506 | /** |
| 1507 | * Filters the comments array. |
| 1508 | * |
| 1509 | * @since 2.1.0 |
| 1510 | * |
| 1511 | * @param array $comments Array of comments supplied to the comments template. |
| 1512 | * @param int $post_id Post ID. |
| 1513 | */ |
| 1514 | $wp_query->comments = apply_filters( 'comments_array', $comments_flat, $post->ID ); |
| 1515 | |
| 1516 | $comments = &$wp_query->comments; |
| 1517 | $wp_query->comment_count = count( $wp_query->comments ); |
| 1518 | $wp_query->max_num_comment_pages = $comment_query->max_num_pages; |
| 1519 | |
| 1520 | if ( $separate_comments ) { |
| 1521 | $wp_query->comments_by_type = separate_comments( $comments ); |
| 1522 | $comments_by_type = &$wp_query->comments_by_type; |
| 1523 | } else { |