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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 |
---|---|
425 | * Filter the returned CSS classes for the current comment. |
426 | * |
427 | * @since 2.7.0 |
428 | * |
429 | * @param array $classes An array of comment classes. |
430 | * @param string $class A comma-separated list of additional classes added to the list. |
431 | * @param int $comment_id The comment id. |
432 | * @param int|WP_Post $post_id The post ID or WP_Post object. |
433 | */ |
434 | return apply_filters( 'comment_class', $classes, $class, $comment_id, $post_id ); |
435 | } |
436 |
|
437 | /** |
438 | * Retrieve the comment date of the current comment. |
439 | * |
440 | * @since 1.5.0 |
441 | * |
442 | * @param string $d Optional. The format of the date. Default user's setting. |
443 | * @param int $comment_ID Optional. The ID of the comment for which to get the date. Default current comment. |