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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 |
|---|---|
| 362 | /** |
| 363 | * Filters the URL to the author's page. |
| 364 | * |
| 365 | * @since 2.1.0 |
| 366 | * |
| 367 | * @param string $link The URL to the author's page. |
| 368 | * @param int $author_id The author's id. |
| 369 | * @param string $author_nicename The author's nice name. |
| 370 | */ |
| 371 | $link = apply_filters( 'author_link', $link, $author_id, $author_nicename ); |
| 372 | |
| 373 | return $link; |
| 374 | } |
| 375 | |
| 376 | /** |
| 377 | * List all the authors of the site, with several options available. |
| 378 | * |
| 379 | * @link https://developer.wordpress.org/reference/functions/wp_list_authors/ |
| 380 | * |