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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 |
|---|---|
| 471 | * Filter the navigation menu objects being returned. |
| 472 | * |
| 473 | * @since 3.0.0 |
| 474 | * |
| 475 | * @see get_terms() |
| 476 | * |
| 477 | * @param array $menus An array of menu objects. |
| 478 | * @param array $args An array of arguments used to retrieve menu objects. |
| 479 | */ |
| 480 | return apply_filters( 'wp_get_nav_menus', get_terms( 'nav_menu', $args), $args ); |
| 481 | } |
| 482 | |
| 483 | /** |
| 484 | * Sort menu items by the desired key. |
| 485 | * |
| 486 | * @since 3.0.0 |
| 487 | * @access private |
| 488 | * |
| 489 | * @param object $a The first object to compare |