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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 |
|---|---|
| 370 | $link = get_category_link($cat_id); |
| 371 | if( $feed == get_default_feed() ) |
| 372 | $feed_link = 'feed'; |
| 373 | else |
| 374 | $feed_link = "feed/$feed"; |
| 375 | |
| 376 | $link = trailingslashit($link) . user_trailingslashit($feed_link, 'feed'); |
| 377 | } |
| 378 | |
| 379 | $link = apply_filters('category_feed_link', $link, $feed); |
| 380 | |
| 381 | return $link; |
| 382 | } |
| 383 | |
| 384 | function get_tag_feed_link($tag_id, $feed = '') { |
| 385 | $tag_id = (int) $tag_id; |
| 386 | |
| 387 | $tag = get_tag($tag_id); |
| 388 | |