Futuristic PHP development

PXP is an work-in-progress superset of the PHP programming language with support for new language features and syntax.

                             1class Collection<T>
 2{
 3    public function __construct(
 4        protected T[] $items = []
 5    ) {}
 6 
 7    public function push(T $item): static
 8    {
 9        $this->items[] = $item;
10 
11        return $this;
12    }
13 
14    public function all(): T[]
15    {
16        return $this->items;
17    }
18}

                             1type LabelValue = string | Closure | null;
 2 
 3trait HasLabel
 4{
 5    protected LabelValue $label;
 6 
 7    public function getLabel(): LabelValue
 8    {
 9        return $this->label;
10    }
11 
12    public function setLabel(LabelValue $label): void
13    {
14        $this->label = $label;
15    }
16}

                            1$guests = array_filter($users, fn ($user) {
2    $guest = $repository->findByUserId($user->id);
3    return $guest !== null && in_array($guest->id, $guestsIds);
4});
5 
6foreach ($guests as $guest) {
7    // ...
8}