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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 |
|---|---|
| 69 | function get_comment_author_rss() { |
| 70 | return apply_filters('comment_author_rss', get_comment_author() ); |
| 71 | } |
| 72 | function comment_author_rss() { |
| 73 | echo get_comment_author_rss(); |
| 74 | } |
| 75 | |
| 76 | function comment_text_rss() { |
| 77 | $comment_text = get_comment_text(); |
| 78 | $comment_text = apply_filters('comment_text_rss', $comment_text); |
| 79 | echo $comment_text; |
| 80 | } |
| 81 | |
| 82 | function comments_rss_link($link_text = 'Comments RSS', $commentsrssfilename = '') { |
| 83 | $url = comments_rss($commentsrssfilename); |
| 84 | echo "<a href='$url'>$link_text</a>"; |
| 85 | } |
| 86 | |
| 87 | function comments_rss($commentsrssfilename = '') { |