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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 |
|---|---|
| 100 | return apply_filters('comment_author_rss', get_comment_author() ); |
| 101 | } |
| 102 | |
| 103 | function comment_author_rss() { |
| 104 | echo get_comment_author_rss(); |
| 105 | } |
| 106 | |
| 107 | function comment_text_rss() { |
| 108 | $comment_text = get_comment_text(); |
| 109 | $comment_text = apply_filters('comment_text_rss', $comment_text); |
| 110 | echo $comment_text; |
| 111 | } |
| 112 | |
| 113 | function get_the_category_rss($type = 'rss') { |
| 114 | $categories = get_the_category(); |
| 115 | $tags = get_the_tags(); |
| 116 | $the_list = ''; |
| 117 | $cat_names = array(); |
| 118 | |