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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 |
|---|---|
| 540 | * Filters the day archive permalink. |
| 541 | * |
| 542 | * @since 1.5.0 |
| 543 | * |
| 544 | * @param string $daylink Permalink for the day archive. |
| 545 | * @param int $year Year for the archive. |
| 546 | * @param int $month Month for the archive. |
| 547 | * @param int $day The day for the archive. |
| 548 | */ |
| 549 | return apply_filters( 'day_link', $daylink, $year, $month, $day ); |
| 550 | } |
| 551 | |
| 552 | /** |
| 553 | * Displays the permalink for the feed type. |
| 554 | * |
| 555 | * @since 3.0.0 |
| 556 | * |
| 557 | * @param string $anchor The link's anchor text. |
| 558 | * @param string $feed Optional. Feed type. Default empty. |