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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 |
|---|---|
| 352 | $return = "$before<a href='$url' rel='external'>$display</a>$after"; |
| 353 | |
| 354 | /** |
| 355 | * Filter the comment author's returned URL link. |
| 356 | * |
| 357 | * @since 1.5.0 |
| 358 | * |
| 359 | * @param string $return The HTML-formatted comment author URL link. |
| 360 | */ |
| 361 | return apply_filters( 'get_comment_author_url_link', $return ); |
| 362 | } |
| 363 | |
| 364 | /** |
| 365 | * Displays the HTML link of the url of the author of the current comment. |
| 366 | * |
| 367 | * @since 0.71 |
| 368 | * |
| 369 | * @param string $linktext Optional. Text to display instead of the comment author's |
| 370 | * email address. Default empty. |