Assert\Assertion::isArrayAccessible PHP 메소드

    public static function isArrayAccessible($value, $message = null, $propertyPath = null)
    {
        if (!is_array($value) && !$value instanceof \ArrayAccess) {
            $message = sprintf($message ?: 'Value "%s" is not an array and does not implement ArrayAccess.', static::stringify($value));
            throw static::createException($value, $message, static::INVALID_ARRAY_ACCESSIBLE, $propertyPath);
        }
        return true;
    }