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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 |
|---|---|
| 822 | <input type="hidden" name="menu" id="nav-menu-meta-object-id" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" /> |
| 823 | </form> |
| 824 | </div><!-- #menu-locations-wrap --> |
| 825 | <?php |
| 826 | /** |
| 827 | * Fires after the menu locations table is displayed. |
| 828 | * |
| 829 | * @since 3.6.0 |
| 830 | */ |
| 831 | do_action( 'after_menu_locations_table' ); |
| 832 | ?> |
| 833 | <?php else : ?> |
| 834 | <div class="manage-menus"> |
| 835 | <?php if ( $menu_count < 1 ) : ?> |
| 836 | <span class="first-menu-message"> |
| 837 | <?php _e( 'Create your first menu below.' ); ?> |
| 838 | <span class="screen-reader-text"><?php _e( 'Fill in the Menu Name and click the Create Menu button to create your first menu.' ); ?></span> |
| 839 | </span><!-- /first-menu-message --> |
| 840 | <?php elseif ( $menu_count < 2 ) : ?> |