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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.
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79 |
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80 | function comment_author_rss() { |
81 | echo get_comment_author_rss(); |
82 | } |
83 |
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84 |
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85 | function comment_text_rss() { |
86 | $comment_text = get_comment_text(); |
87 | $comment_text = apply_filters('comment_text_rss', $comment_text); |
88 | echo $comment_text; |
89 | } |
90 |
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91 |
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92 | function comments_rss_link($link_text = 'Comments RSS', $commentsrssfilename = '') { |
93 | $url = comments_rss($commentsrssfilename); |
94 | echo "<a href='$url'>$link_text</a>"; |
95 | } |
96 |
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