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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 |
|---|---|
| 641 | * Filters the day archive permalink. |
| 642 | * |
| 643 | * @since 1.5.0 |
| 644 | * |
| 645 | * @param string $daylink Permalink for the day archive. |
| 646 | * @param int $year Year for the archive. |
| 647 | * @param int $month Month for the archive. |
| 648 | * @param int $day The day for the archive. |
| 649 | */ |
| 650 | return apply_filters( 'day_link', $daylink, $year, $month, $day ); |
| 651 | } |
| 652 | |
| 653 | /** |
| 654 | * Displays the permalink for the feed type. |
| 655 | * |
| 656 | * @since 3.0.0 |
| 657 | * |
| 658 | * @param string $anchor The link's anchor text. |
| 659 | * @param string $feed Optional. Feed type. Possible values include 'rss2', 'atom'. |