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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 |
|---|---|
| 94 | $permalink_structure = get_settings('permalink_structure'); |
| 95 | |
| 96 | if ('' == $permalink_structure) { |
| 97 | $link = get_settings('home') . '?feed=rss2&author=' . $author_id; |
| 98 | } else { |
| 99 | $link = get_author_link(0, $author_id, $author_nicename); |
| 100 | $link = $link . "feed/"; |
| 101 | } |
| 102 | |
| 103 | $link = apply_filters('author_feed_link', $link); |
| 104 | |
| 105 | if ($echo) echo $link; |
| 106 | return $link; |
| 107 | } |
| 108 | |
| 109 | function get_category_rss_link($echo = false, $cat_ID, $category_nicename) { |
| 110 | $permalink_structure = get_settings('permalink_structure'); |
| 111 | |
| 112 | if ('' == $permalink_structure) { |