validateToken.php

<?php
function validateToken(string $token, string $privileges = '', array $tokens, int $current_time) : bool {
	
	if(!isset($tokens[$token])) {
		return false;
	}
	
	if(hasExpired($token, $tokens, $current_time)) {
		return false;
	}
	
	return checkPrivileges($token,$privileges, $tokens);
}