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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 |
|---|---|
| 273 | /** |
| 274 | * Filter the URL to the author's page. |
| 275 | * |
| 276 | * @since 2.1.0 |
| 277 | * |
| 278 | * @param string $link The URL to the author's page. |
| 279 | * @param int $author_id The author's id. |
| 280 | * @param string $author_nicename The author's nice name. |
| 281 | */ |
| 282 | $link = apply_filters( 'author_link', $link, $author_id, $author_nicename ); |
| 283 | |
| 284 | return $link; |
| 285 | } |
| 286 | |
| 287 | /** |
| 288 | * List all the authors of the blog, with several options available. |
| 289 | * |
| 290 | * @link http://codex.wordpress.org/Template_Tags/wp_list_authors |
| 291 | * |