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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 |
|---|---|
| 386 | /** |
| 387 | * Filters the comment author's URL for display. |
| 388 | * |
| 389 | * @since 1.2.0 |
| 390 | * @since 4.1.0 The `$comment_id` parameter was added. |
| 391 | * |
| 392 | * @param string $comment_author_url The comment author's URL. |
| 393 | * @param string $comment_id The comment ID as a numeric string. |
| 394 | */ |
| 395 | echo apply_filters( 'comment_url', $comment_author_url, $comment->comment_ID ); |
| 396 | } |
| 397 | |
| 398 | /** |
| 399 | * Retrieves the HTML link of the URL of the author of the current comment. |
| 400 | * |
| 401 | * $link_text parameter is only used if the URL does not exist for the comment |
| 402 | * author. If the URL does exist then the URL will be used and the $link_text |
| 403 | * will be ignored. |
| 404 | * |