PHPSA\Variable::getGets PHP Method

    public function getGets()
    {
        return $this->gets;
    }

 public function testIncGets()
 {
     $variable = new Variable('a', null, CompiledExpression::UNKNOWN);
     static::assertSame(0, $variable->getGets());
     $variable->incGets();
     static::assertSame(1, $variable->getGets());
     $variable->incGets();
     static::assertSame(2, $variable->getGets());
     $variable->incGets();
     $variable->incGets();
     static::assertSame(4, $variable->getGets());
 }