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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 |
|---|---|
| 553 | /** |
| 554 | * Filter the feed link anchor tag. |
| 555 | * |
| 556 | * @since 3.0.0 |
| 557 | * |
| 558 | * @param string $link The complete anchor tag for a feed link. |
| 559 | * @param string $feed The feed type, or an empty string for the |
| 560 | * default feed type. |
| 561 | */ |
| 562 | echo apply_filters( 'the_feed_link', $link, $feed ); |
| 563 | } |
| 564 | |
| 565 | /** |
| 566 | * Retrieve the permalink for the feed type. |
| 567 | * |
| 568 | * @since 1.5.0 |
| 569 | * |
| 570 | * @param string $feed Optional, defaults to default feed. Feed type. |
| 571 | * @return string The feed permalink. |