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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 |
|---|---|
| 622 | * Filters the navigation menu objects being returned. |
| 623 | * |
| 624 | * @since 3.0.0 |
| 625 | * |
| 626 | * @see get_terms() |
| 627 | * |
| 628 | * @param WP_Term[] $menus An array of menu objects. |
| 629 | * @param array $args An array of arguments used to retrieve menu objects. |
| 630 | */ |
| 631 | return apply_filters( 'wp_get_nav_menus', get_terms( $args ), $args ); |
| 632 | } |
| 633 | |
| 634 | /** |
| 635 | * Return if a menu item is valid. |
| 636 | * |
| 637 | * @link https://core.trac.wordpress.org/ticket/13958 |
| 638 | * |
| 639 | * @since 3.2.0 |
| 640 | * @access private |