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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 |
|---|---|
| 236 | * @package WordPress |
| 237 | * @subpackage Feed |
| 238 | * @since 2.0.0 |
| 239 | * @uses apply_filters() Calls 'comment_author_rss' hook on comment author. |
| 240 | * @uses get_comment_author() |
| 241 | * |
| 242 | * @return string Comment Author |
| 243 | */ |
| 244 | function get_comment_author_rss() { |
| 245 | return apply_filters('comment_author_rss', get_comment_author() ); |
| 246 | } |
| 247 | |
| 248 | /** |
| 249 | * Display the current comment author in the feed. |
| 250 | * |
| 251 | * @package WordPress |
| 252 | * @subpackage Feed |
| 253 | * @since 1.0.0 |
| 254 | */ |