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run code in 200+ php & hhvm versions
Bugs & Features
<?php class ValueObject implements JsonSerializable { private $value; public function __construct($value) { $this->value = $value; } public function jsonSerialize() { return $this->value; } public function equals(ValueObject $value) { return $this->value === $value; } } class Age extends ValueObject { public function __construct(int $value) { if ($value > 150) { throw new Exception('Age must be less than 150.'); } parent::__construct($value); } } class Email extends ValueObject { public function __construct(string $value) { $email = filter_var($value, FILTER_VALIDATE_EMAIL); if (false === $email) { throw new Exception('Email is invalid.'); } parent::__construct($email); } } function Emails(Email ...$emails) { class Emails { private $values; public function __construct($values) { $this->values = $values; } } } function Email(string $email) { return new Email($email); } function Age(int $age) { return new Age($age); } // 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]; // } // public function __destruct() // { // // persist // } // } // class UpdateUserCommand { // private $userId; // private $email; // private $age; // private $location; // public function __construct(GUID $userId, Email $email, Age $age = null, Point $location = null) { // $this->userId = $userId; // $this->email = $email; // $this->age = $age; // $this->location = $location; // } // public function getUserId() { return $this->userId; } // public function getEmail() { return $this->email; } // public function getAge() { return $this->age; } // public function getLocation() { return $this->location; } // } // class UserService { // private $users; // public function __construct(Users $users) { // $this->users = $users; // } // public function update(UpdateUserCommand $command) { // $user = $this->users[$command->getUserId()]; // $user->setEmail($command->getEmail()); // $user->setAge($command->getAge()); // $user->setPoint($command->getPoint()); // } // } $emails = Emails(Email('opexus@gmail.com'), Email('irma@wiki.ru')); $age = Age(23); // $point = Point(Lattitude(-20), Longitude(170)); // $lattitude = new Lattitude(-20); // $longitude = new Longitude(170); // $point = new Point($lattitude, $longitude); // $user = new User($email); // $user->setAge($age); echo json_encode(compact('emails', 'age'));
based on iKOEp
Output for 7.0.0 - 7.2.0
{"emails":null,"age":23}
Output for 5.6.0 - 5.6.28
Catchable fatal error: Argument 1 passed to Email() must be an instance of string, string given, called in /in/8Al8a on line 93 and defined in /in/8Al8a on line 40
Process exited with code 255.
Output for 5.5.0 - 5.5.38
Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in /in/8Al8a on line 32
Process exited with code 255.