BackEndTea

<?php

namespace Email;

interface EmailAddress {
    public function isValid(): bool;
    public function asString(): string;
}

class ValidEmailAddress implements EmailAddress {

BackEndTea

<?php

class WebsiteContext{}

class WrongSendMail
{
  
  public function __construct(private WebsiteContext $website) {}
  
  public function send(int $emailId) {}

BackEndTea

<?php
use Psr\SimpleCache\CacheInterface;

interface Api {
    
    public function get(array $data): mixed;
}

class CachedApi implements Api
{