WP All Import - Users - Maintain multiple roles in wp_capabilities user meta

wpallimport - functions.php

<?php
function ipost_import_roles($employee_ID) {
	$user_query = new WP_User_Query( array( 'meta_key' => 'employee_id', 'meta_value' => $employee_ID ) );
	$defaultRole = array("employee" => true);
	
	if ( ! empty( $user_query->results ) ) {
		foreach ( $user_query->results as $user ) {
			if( $user->roles ) {
				$roles = $defaultRole;
				foreach( $user->roles as $role ) {
					$roles[$role] = true;
				}
			} else {
				$roles = $defaultRole;
			}
		}
	} else {
		$roles = $defaultRole;
	}
	
	return serialize($roles);
}
?>