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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 |
|---|---|
| 241 | if ( $result && !is_wp_error($result) ) |
| 242 | |
| 243 | /** |
| 244 | * Fires after a navigation menu has been successfully deleted. |
| 245 | * |
| 246 | * @since 3.0.0 |
| 247 | * |
| 248 | * @param int $term_id ID of the deleted menu. |
| 249 | */ |
| 250 | do_action( 'wp_delete_nav_menu', $menu->term_id ); |
| 251 | |
| 252 | return $result; |
| 253 | } |
| 254 | |
| 255 | /** |
| 256 | * Save the properties of a menu or create a new menu with those properties. |
| 257 | * |
| 258 | * Note that `$menu_data` is expected to be pre-slashed. |
| 259 | * |