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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 |
---|---|
313 | * Filters the comment author's URL. |
314 | * |
315 | * @since 1.5.0 |
316 | * @since 4.1.0 The `$comment_ID` and `$comment` parameters were added. |
317 | * |
318 | * @param string $url The comment author's URL. |
319 | * @param int $comment_ID The comment ID. |
320 | * @param WP_Comment $comment The comment object. |
321 | */ |
322 | return apply_filters( 'get_comment_author_url', $url, $id, $comment ); |
323 | } |
324 |
|
325 | /** |
326 | * Display the url of the author of the current comment. |
327 | * |
328 | * @since 0.71 |
329 | * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object. |
330 | * |
331 | * @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to print the author's URL. |