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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 |
---|---|
272 | * |
273 | * @package WordPress |
274 | * @subpackage Feed |
275 | * @since 1.0.0 |
276 | * @uses apply_filters() Calls 'comment_text_rss' filter on comment content. |
277 | * @uses get_comment_text() |
278 | */ |
279 | function comment_text_rss() { |
280 | $comment_text = get_comment_text(); |
281 | $comment_text = apply_filters('comment_text_rss', $comment_text); |
282 | echo $comment_text; |
283 | } |
284 |
|
285 | /** |
286 | * Retrieve all of the post categories, formatted for use in feeds. |
287 | * |
288 | * All of the categories for the current post in the feed loop, will be |
289 | * retrieved and have feed markup added, so that they can easily be added to the |
290 | * RSS2, Atom, or RSS1 and RSS0.91 RDF feeds. |