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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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35 | } |
36 |
|
37 | /** |
38 | * Displays the author of the current comment. |
39 | * |
40 | * @since 0.71 |
41 | * @uses apply_filters() Calls 'comment_author' on comment author before displaying |
42 | */ |
43 | function comment_author() { |
44 | $author = apply_filters('comment_author', get_comment_author() ); |
45 | echo $author; |
46 | } |
47 |
|
48 | /** |
49 | * Retrieve the email of the author of the current comment. |
50 | * |
51 | * @since 1.5.0 |
52 | * @uses apply_filters() Calls the 'get_comment_author_email' hook on the comment author email |
53 | * @uses $comment |