<?php
declare(strict_types=1);


// Create instance of a propertyInfoExtractor.
$phpDocExtractor = new \Symfony\Component\PropertyInfo\Extractor\PhpDocExtractor();
$reflectionExtractor = new \Symfony\Component\PropertyInfo\Extractor\ReflectionExtractor();
$listExtractors = [$reflectionExtractor];
$typeExtractors = [$phpDocExtractor, $reflectionExtractor];
$descriptionExtractors = [$phpDocExtractor];
$accessExtractors = [$reflectionExtractor];
$propertyInitializeExtractors = [$reflectionExtractor];

$extractor = new \Symfony\Component\PropertyInfo\PropertyInfoExtractor(
    $listExtractors,
    $typeExtractors,
    $descriptionExtractors,
    $accessExtractors,
    $propertyInitializeExtractors
);

// Declare example class here.
final class Example
{
    /**
     * @var string
     */
    private $foo;
    /**
     * @var int
     */
    private $bar;
    /**
     * @var array
     */
    private $context;

    public function __construct(string $foo, int $bar, array $context)
    {
        $this->foo = $foo;
        $this->bar = $bar;
        $this->context = $context;
    }

    public function toArray(): array
    {
        return 
        [
            'foo' => $this->foo,
            'bar' => $this->bar,
            'con' => $this->context,
        ];
    }
}

$properties = $extractor->getProperties(Example::class);
var_dump($properties); // NULL
// However when I declare getters, this will work.