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run code in 300+ PHP versions simultaneously
<?php class ValueObject implements JsonSerializable { private $value; public function get() { return $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; } } $email = new Email('opexus@gmail.com'); $age = new Age(23); echo json_encode(compact('email', 'age'));
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Return type of ValueObject::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/5QPIu on line 7 Deprecated: Creation of dynamic property Email::$value is deprecated in /in/5QPIu on line 17 Deprecated: Creation of dynamic property Age::$value is deprecated in /in/5QPIu on line 25 {"email":null,"age":null}
Output for 8.1.0 - 8.1.28
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/5QPIu on line 7 {"email":null,"age":null}
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
{"email":null,"age":null}
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
Catchable fatal error: Argument 1 passed to Email::__construct() must be an instance of string, string given, called in /in/5QPIu on line 30 and defined in /in/5QPIu on line 12
Process exited with code 255.
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216.64 ms | 402 KiB | 267 Q