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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 |
|---|---|
| 403 | * |
| 404 | * @since 3.0.0 |
| 405 | * |
| 406 | * @param array $args Array of arguments passed on to get_terms(). |
| 407 | * @return array menu objects |
| 408 | */ |
| 409 | function wp_get_nav_menus( $args = array() ) { |
| 410 | $defaults = array( 'hide_empty' => false, 'orderby' => 'none' ); |
| 411 | $args = wp_parse_args( $args, $defaults ); |
| 412 | return apply_filters( 'wp_get_nav_menus', get_terms( 'nav_menu', $args), $args ); |
| 413 | } |
| 414 | |
| 415 | /** |
| 416 | * Sort menu items by the desired key. |
| 417 | * |
| 418 | * @since 3.0.0 |
| 419 | * @access private |
| 420 | * |
| 421 | * @param object $a The first object to compare |