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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 |
|---|---|
| 166 | if ( ! empty( $menu_objects ) ) { |
| 167 | foreach ( $menu_objects as $item ) { |
| 168 | wp_delete_post( $item ); |
| 169 | } |
| 170 | } |
| 171 | |
| 172 | $result = wp_delete_term( $menu->term_id, 'nav_menu' ); |
| 173 | |
| 174 | if ( $result && !is_wp_error($result) ) |
| 175 | do_action( 'wp_delete_nav_menu', $menu->term_id ); |
| 176 | |
| 177 | return $result; |
| 178 | } |
| 179 | |
| 180 | /** |
| 181 | * Save the properties of a menu or create a new menu with those properties. |
| 182 | * |
| 183 | * @since 3.0.0 |
| 184 | * |