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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 |
|---|---|
| 497 | * |
| 498 | * @since 2.7.0 |
| 499 | * |
| 500 | * @param array $classes An array of comment classes. |
| 501 | * @param string $class A comma-separated list of additional classes added to the list. |
| 502 | * @param int $comment_id The comment id. |
| 503 | * @param WP_Comment $comment The comment object. |
| 504 | * @param int|WP_Post $post_id The post ID or WP_Post object. |
| 505 | */ |
| 506 | return apply_filters( 'comment_class', $classes, $class, $comment->comment_ID, $comment, $post_id ); |
| 507 | } |
| 508 | |
| 509 | /** |
| 510 | * Retrieve the comment date of the current comment. |
| 511 | * |
| 512 | * @since 1.5.0 |
| 513 | * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object. |
| 514 | * |
| 515 | * @param string $d Optional. The format of the date. Default user's setting. |