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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 |
|---|---|
| 327 | $feed = get_default_feed(); |
| 328 | |
| 329 | if ( '' == $permalink_structure ) { |
| 330 | $link = get_option('home') . '?feed=rss2&author=' . $author_id; |
| 331 | } else { |
| 332 | $link = get_author_posts_url($author_id); |
| 333 | $link = trailingslashit($link) . user_trailingslashit('feed', 'feed'); |
| 334 | } |
| 335 | |
| 336 | $link = apply_filters('author_feed_link', $link); |
| 337 | |
| 338 | return $link; |
| 339 | } |
| 340 | |
| 341 | /** get_category_feed_link() - Get the feed link for a given category |
| 342 | * |
| 343 | * Returns a link to the feed for all post in a given category. A specific feed can be requested |
| 344 | * or left blank to get the default feed. |
| 345 | * |