class Program {
	private const MY_CONST = 12 ^ 0x3FD;
	private callback $callback_test = void(){ print("Welcome everyone!\n");};
	private static int $value = 4 + 4 * 4;

	void callable(callback $callback = void(){ print("Hello world!\n");}) {
		$callback();
	}

	void complexArgs(string $name = 'AerScript' + $this->someStr(), int $age = 10*2+5) {
		print("Name = $name\n");
		print("Age = $age\n");
	}

	string someStr() {
		return 'ABC';
	}

	bool someTrue() {
		return true;
	}

	bool someFalse() {
		return false;
	}

	public int main() {
		static float $f = 4 + 2.4 * 9.1;
		var_dump($this->MY_CONST);
		var_dump($this->callback_test);
		var_dump($this->value);
		var_dump($f);
		$this->complexArgs();
		$this->complexArgs('Me');
		$this->callable();
		$this->callable(void(){ print("Welcome guest!\n");});
		$this->callable($this->callback_test);
		$this->someTrue() || print("someTrue() failed\n");
		$this->someFalse() || print("someFalse() failed\n");
		return 0;
	}

}