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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 |
|---|---|
| 365 | |
| 366 | /** |
| 367 | * Fires after a navigation menu is successfully created. |
| 368 | * |
| 369 | * @since 3.0.0 |
| 370 | * |
| 371 | * @param int $term_id ID of the new menu. |
| 372 | * @param array $menu_data An array of menu data. |
| 373 | */ |
| 374 | do_action( 'wp_create_nav_menu', $_menu['term_id'], $menu_data ); |
| 375 | |
| 376 | return (int) $_menu['term_id']; |
| 377 | } |
| 378 | |
| 379 | if ( ! $_menu || ! isset( $_menu->term_id ) ) { |
| 380 | return 0; |
| 381 | } |
| 382 | |
| 383 | $menu_id = (int) $_menu->term_id; |