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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 |
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29 | } |
30 |
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31 | /** |
32 | * Displays the author of the current comment. |
33 | * |
34 | * @since 0.71 |
35 | * @uses apply_filters() Calls 'comment_author' on comment author before displaying |
36 | */ |
37 | function comment_author() { |
38 | $author = apply_filters('comment_author', get_comment_author() ); |
39 | echo $author; |
40 | } |
41 |
|
42 | /** |
43 | * Retrieve the email of the author of the current comment. |
44 | * |
45 | * @since 1.5 |
46 | * @uses apply_filters() Calls the 'get_comment_author_email' hook on the comment author email |
47 | * @uses $comment |