3v4l.org

run code in 300+ PHP versions simultaneously

@ 2015-11-02T19:33:21Z

<?php
class ValueObject implements JsonSerializable {
    protected $value;
    public function jsonSerialize() {
        return $this->value;
    }
}
class Email extends ValueObject {
    public function __construct(string $value) {
        $email = filter_var($value, FILTER_VALIDATE_EMAIL);
        if (false === $email) {
            throw new Exception('Email is invalid.');
        }
        $this->value = $email;
    }
}
class Age extends ValueObject {
    public function __construct(int $value) {
        if ($value > 150) {
            throw new Exception('Age must be less than 150.');
        }
        $this->value = $value;
    }
}
class User implements JsonSerializable {
    private $email;
    private $age;
    public function __construct(Email $email) {
        $this->email = $email;
    }
    public function setAge(Age $age) { $this->age = $age; }
    public function jsonSerialize() {
        return ['email' => $this->email, 'age' => $this->age];
    }
}


$email = new Email('opexus@gmail.com');
$age = new Age(23);
$user = new User($email);
$user->setAge($age);
echo json_encode($user);

Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7: Deprecated: Return type of ValueObject::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/CX7fI on line 4 Deprecated: Return type of User::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/CX7fI on line 32 {"email":"opexus@gmail.com","age":23}
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30: {"email":"opexus@gmail.com","age":23}
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40: Catchable fatal error: Argument 1 passed to Email::__construct() must be an instance of string, string given, called in /in/CX7fI on line 38 and defined in /in/CX7fI on line 9
Process exited with code 255.

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