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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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507 | * @param int $post_id Optional post ID. Default to current post. |
508 | * @param string $feed Optional. Feed format. |
509 | * @return string Link to the comment feed for the current post. |
510 | */ |
511 | function post_comments_feed_link( $link_text = '', $post_id = '', $feed = '' ) { |
512 | $url = esc_url( get_post_comments_feed_link( $post_id, $feed ) ); |
513 | if ( empty($link_text) ) |
514 | $link_text = __('Comments Feed'); |
515 |
|
516 | echo apply_filters( 'post_comments_feed_link_html', "<a href='$url'>$link_text</a>", $post_id, $feed ); |
517 | } |
518 |
|
519 | /** |
520 | * Retrieve the feed link for a given author. |
521 | * |
522 | * Returns a link to the feed for all posts by a given author. A specific feed |
523 | * can be requested or left blank to get the default feed. |
524 | * |
525 | * @package WordPress |