class Program {
	private int $test = 7;

	void testChar(char $value) {
		var_dump($value);
		var_dump(is_char($value));
	}

	void testFloat(float $value) {
		var_dump($value);
		var_dump(is_float($value));
	}

	void testObject(object $value) {
		var_dump($value);
		var_dump(is_object($value));
	}

	void testString(string $value) {
		var_dump($value);
		var_dump(is_string($value));
	}

	void testVoid(void $value) {
		var_dump($value);
		var_dump(is_void($value));
	}

	public void main() {
		object $objval;
		void $voidval;
		$this->testChar('c');
		$this->testChar(NULL);
		$this->testFloat(4);
		$this->testFloat(56.3);
		$this->testObject($objval);
		$this->testObject($this);
		$this->testString('sample text');
		$this->testString(NULL);
		$this->testVoid($voidval);
		$this->testVoid(NULL);
	}
}