Warning: Unsupported declare 'strict_types' in D:\xampp\htdocs\wsdemo\vendor\nikic\php-parser\test\PhpParser\NodeVisitor\FindingVisitorTest.php on line 1

Fatal error: Class 'PHPUnit\Framework\TestCase' not found in D:\xampp\htdocs\wsdemo\vendor\nikic\php-parser\test\PhpParser\NodeVisitor\FindingVisitorTest.php on line 11