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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 | 
|---|---|
| 29 | } | 
| 30 |  | 
| 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 |