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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 |
|---|---|
| 507 | * Filter the navigation menu objects being returned. |
| 508 | * |
| 509 | * @since 3.0.0 |
| 510 | * |
| 511 | * @see get_terms() |
| 512 | * |
| 513 | * @param array $menus An array of menu objects. |
| 514 | * @param array $args An array of arguments used to retrieve menu objects. |
| 515 | */ |
| 516 | return apply_filters( 'wp_get_nav_menus', get_terms( 'nav_menu', $args), $args ); |
| 517 | } |
| 518 | |
| 519 | /** |
| 520 | * Sort menu items by the desired key. |
| 521 | * |
| 522 | * @since 3.0.0 |
| 523 | * @access private |
| 524 | * |
| 525 | * @global string $_menu_item_sort_prop |