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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 |
|---|---|
| 312 | /** |
| 313 | * Filter the URL to the author's page. |
| 314 | * |
| 315 | * @since 2.1.0 |
| 316 | * |
| 317 | * @param string $link The URL to the author's page. |
| 318 | * @param int $author_id The author's id. |
| 319 | * @param string $author_nicename The author's nice name. |
| 320 | */ |
| 321 | $link = apply_filters( 'author_link', $link, $author_id, $author_nicename ); |
| 322 | |
| 323 | return $link; |
| 324 | } |
| 325 | |
| 326 | /** |
| 327 | * List all the authors of the blog, with several options available. |
| 328 | * |
| 329 | * @link https://codex.wordpress.org/Template_Tags/wp_list_authors |
| 330 | * |