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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 |
---|---|
268 | function comment_author_url( $comment_ID = 0 ) { |
269 | $author_url = get_comment_author_url( $comment_ID ); |
270 | /** |
271 | * Filter the comment author's URL for display. |
272 | * |
273 | * @since 1.2.1 |
274 | * |
275 | * @param string $author_url The comment author's URL. |
276 | */ |
277 | echo apply_filters( 'comment_url', $author_url ); |
278 | } |
279 |
|
280 | /** |
281 | * Retrieves the HTML link of the url of the author of the current comment. |
282 | * |
283 | * $linktext parameter is only used if the URL does not exist for the comment |
284 | * author. If the URL does exist then the URL will be used and the $linktext |
285 | * will be ignored. |
286 | * |