gistfile1.txt

 function getUsers(){ 
 header("Access-Control-Allow-Origin: *");
 				$term = $_GET['search'];
// 				var_dump($_GET);
				  $args = array(
				  'search' => '*'.esc_attr( $term ).'*',
				  'fields' => array('first_name', 'last_name', 'ID', 'display_name'),
				 'meta_query' => array(
				        'relation' => 'OR',
				        array(
				            'key'     => 'first_name',
				            'value'   => $term,
				            'compare' => 'LIKE'
				        ),
				        array(
				            'key'     => 'last_name',
				            'value'   => $term,
				            'compare' => 'LIKE'
				        )	
				        )			  
				  );
				  
				  // The Query
				  $user_query = new WP_User_Query( $args );
				  $results = array();
				  // here you can see the whole user object being returned
					wp_die(var_dump($user_query->results));
				  
				  $results['results'] = $user_query->get_results();
				  $response = json_encode($results);
				  echo($response);
				  die();
  }