Constructor trait #test #php

constructorTrait.php

<?php
interface PersonInterface
{
    public function getFullname();
}

trait PersonTrait
{
    private $name;
    
    public function getFullname()
    {
        return $this->name->getFullname();
    }
}

// An aggregate root
trait AsianTrait
{
    use PersonTrait;

    public function __construct($lastName, $firstName)
    {
        $this->name = new Name($firstName, $lastName);
    }
}

trait EuropeanTrait
{
    use PersonTrait;

    public function __construct($firstName, $lastName)
    {
        $this->name = new Name($firstName, $lastName);
    }
}

// A value object
class Name
{
    public function __construct($firstName, $lastName)
    {
        $this->firstName = $firstName;
        $this->lastName  = $lastName;
    }
    
    public function getFullname()
    {
        return $this->firstName . ' ' . $this->lastName;
    }
}

class Japanese implements PersonInterface
{
    use AsianTrait;
}

$person = new Japanese('Yamada', 'Taro');

echo $person->getFullname() . PHP_EOL;
// Taro Yamada