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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 |
|---|---|
| 1339 | |
| 1340 | /** |
| 1341 | * Filter the comments array. |
| 1342 | * |
| 1343 | * @since 2.1.0 |
| 1344 | * |
| 1345 | * @param array $comments Array of comments supplied to the comments template. |
| 1346 | * @param int $post_ID Post ID. |
| 1347 | */ |
| 1348 | $wp_query->comments = apply_filters( 'comments_array', $comments_flat, $post->ID ); |
| 1349 | |
| 1350 | // Set up lazy-loading for comment metadata. |
| 1351 | add_action( 'get_comment_metadata', array( $wp_query, 'lazyload_comment_meta' ), 10, 2 ); |
| 1352 | |
| 1353 | $comments = &$wp_query->comments; |
| 1354 | $wp_query->comment_count = count($wp_query->comments); |
| 1355 | $wp_query->max_num_comment_pages = $comment_query->max_num_pages; |
| 1356 | |
| 1357 | if ( $separate_comments ) { |