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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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437 | * @param int $post_id Optional post ID. Default to current post. |
438 | * @param string $feed Optional. Feed format. |
439 | * @return string Link to the comment feed for the current post. |
440 | */ |
441 | function post_comments_feed_link( $link_text = '', $post_id = '', $feed = '' ) { |
442 | $url = get_post_comments_feed_link($post_id, $feed); |
443 | if ( empty($link_text) ) |
444 | $link_text = __('Comments Feed'); |
445 |
|
446 | echo apply_filters( 'post_comments_feed_link_html', "<a href='$url'>$link_text</a>", $post_id, $feed ); |
447 | } |
448 |
|
449 | /** |
450 | * Retrieve the feed link for a given author. |
451 | * |
452 | * Returns a link to the feed for all posts by a given author. A specific feed |
453 | * can be requested or left blank to get the default feed. |
454 | * |
455 | * @package WordPress |