Custom menu filter for The7.2, Armada

functions.php

add_filter( 'dt_menu_options', 'cp_custom_menu_filter' );

function cp_custom_menu_filter( $options = array() ) {

		global $post;

		if ( 'primary' == $options['location'] ) {

			if(is_page( 35 )) { //if page id 35

				$page_primary_menu = intval( 91 ); //display menu with id 91

				if ( $page_primary_menu > 0 ) {
					$options['params']['menu'] = $page_primary_menu;
					$options['params']['dt_has_nav_menu'] = true;

				} else {
					$options['force_fallback'] = true;

				}
			}
			
			if(is_page( 45 )) { //if page id 45

				$page_primary_menu = intval( 92 ); //display menu with id 92

				if ( $page_primary_menu > 0 ) {
					$options['params']['menu'] = $page_primary_menu;
					$options['params']['dt_has_nav_menu'] = true;

				} else {
					$options['force_fallback'] = true;

				}
			}

		}

		return $options;
	}

Use this function in functions.php to load different primary menu according to pages (page id 35 will load menu with id 91)