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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 |
|---|---|
| 386 | * |
| 387 | * @since 3.0.0 |
| 388 | * |
| 389 | * @param $args array Array of arguments passed on to get_terms(). |
| 390 | * @return array menu objects |
| 391 | */ |
| 392 | function wp_get_nav_menus( $args = array() ) { |
| 393 | $defaults = array( 'hide_empty' => false, 'orderby' => 'none' ); |
| 394 | $args = wp_parse_args( $args, $defaults ); |
| 395 | return apply_filters( 'wp_get_nav_menus', get_terms( 'nav_menu', $args), $args ); |
| 396 | } |
| 397 | |
| 398 | /** |
| 399 | * Sort menu items by the desired key. |
| 400 | * |
| 401 | * @since 3.0.0 |
| 402 | * @access private |
| 403 | * |
| 404 | * @param object $a The first object to compare |