class DebugHelper
{
    /**
     * @var int
     */
    static $lastTime = 0;

    /**
     * @var int
     */
    static $lastMemory = 0;

    /**
     * @param string $message
     * @param bool $printTime
     * @param bool $printMemory
     */
    public static function printInfo(string $message, bool $printTime = true, bool $printMemory = true)
    {
        $currentTime = microtime(true);
        $currentMemory = memory_get_usage();
        $executedTime = $currentTime - self::$lastTime;
        $diffMemory = $currentMemory - self::$lastMemory;
        $diffMemory = $diffMemory/1024 . 'KB';
        if (empty(self::$lastTime)) {
            $executedTime = date('Y-m-d H:i:s', $executedTime);
        }
        echo "{$message} executed time: {$executedTime}, occupied memory: {$diffMemory}\n";
        self::$lastTime = $currentTime;
        self::$lastMemory = $currentMemory;
    }
}