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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 |
|---|---|
| 248 | /** |
| 249 | * Filters the author URL link HTML. |
| 250 | * |
| 251 | * @since 6.0.0 |
| 252 | * |
| 253 | * @param string $link The default rendered author HTML link. |
| 254 | * @param string $author_url Author's URL. |
| 255 | * @param WP_User $authordata Author user data. |
| 256 | */ |
| 257 | return apply_filters( 'the_author_link', $link, $author_url, $authordata ); |
| 258 | } else { |
| 259 | return get_the_author(); |
| 260 | } |
| 261 | } |
| 262 | |
| 263 | /** |
| 264 | * Displays either author's link or author's name. |
| 265 | * |
| 266 | * If the author has a home page set, echo an HTML link, otherwise just echo the |