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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 |
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319 | /** |
320 | * Filters the URL to the author's page. |
321 | * |
322 | * @since 2.1.0 |
323 | * |
324 | * @param string $link The URL to the author's page. |
325 | * @param int $author_id The author's id. |
326 | * @param string $author_nicename The author's nice name. |
327 | */ |
328 | $link = apply_filters( 'author_link', $link, $author_id, $author_nicename ); |
329 |
|
330 | return $link; |
331 | } |
332 |
|
333 | /** |
334 | * List all the authors of the site, with several options available. |
335 | * |
336 | * @link https://codex.wordpress.org/Template_Tags/wp_list_authors |
337 | * |