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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 |
---|---|
340 | /** |
341 | * Filters the comment author's URL for display. |
342 | * |
343 | * @since 1.2.0 |
344 | * @since 4.1.0 The `$comment_ID` parameter was added. |
345 | * |
346 | * @param string $author_url The comment author's URL. |
347 | * @param int $comment_ID The comment ID. |
348 | */ |
349 | echo apply_filters( 'comment_url', $author_url, $comment->comment_ID ); |
350 | } |
351 |
|
352 | /** |
353 | * Retrieves the HTML link of the url of the author of the current comment. |
354 | * |
355 | * $linktext parameter is only used if the URL does not exist for the comment |
356 | * author. If the URL does exist then the URL will be used and the $linktext |
357 | * will be ignored. |
358 | * |