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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 |
|---|---|
| 1567 | } |
| 1568 | |
| 1569 | /** |
| 1570 | * Fire the wp_footer action |
| 1571 | * |
| 1572 | * @since 1.5.1 |
| 1573 | * @uses do_action() Calls 'wp_footer' hook. |
| 1574 | */ |
| 1575 | function wp_footer() { |
| 1576 | do_action('wp_footer'); |
| 1577 | } |
| 1578 | |
| 1579 | /** |
| 1580 | * Display the links to the general feeds. |
| 1581 | * |
| 1582 | * @since 2.8.0 |
| 1583 | * |
| 1584 | * @param array $args Optional arguments. |
| 1585 | */ |