PHPStan\Reflection\Php\PhpMethodReflection::getParameters PHP Method

    public function getParameters() : array
    {
        if ($this->parameters === null) {
            $this->parameters = array_map(function (\ReflectionParameter $reflection) {
                return new PhpParameterReflection($reflection, isset($this->phpDocParameterTypes[$reflection->getName()]) ? $this->phpDocParameterTypes[$reflection->getName()] : null);
            }, $this->reflection->getParameters());
            if ($this->reflection->getName() === '__construct' && $this->declaringClass->getName() === 'ArrayObject' && count($this->parameters) === 1) {
                // PHP bug #71077
                $this->parameters[] = new DummyOptionalParameter('flags', new IntegerType(false));
                $this->parameters[] = new DummyOptionalParameter('iterator_class', new StringType(false));
            }
            if ($this->declaringClass->getName() === 'ReflectionMethod' && $this->reflection->getName() === 'invoke' && !$this->parameters[1]->isOptional()) {
                // PHP bug #71416
                $this->parameters[1] = new DummyOptionalParameter('parameter', new MixedType(true));
            }
        }
        return $this->parameters;
    }