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<?php class Email implements JsonSerializable { private $value; public function __construct(string $value) { $email = filter_var($value, FILTER_VALIDATE_EMAIL); if (false === $email) { throw new Exception('Email is invalid.'); } $this->value = $email; } public function jsonSerialize() { return $this->value; } } $email = new Email('opexus@gmail.com'); echo json_encode(compact('email'));
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Return type of Email::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/ku0Oo on line 14 {"email":"opexus@gmail.com"}
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"}
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/ku0Oo on line 21 and defined in /in/ku0Oo on line 6
Process exited with code 255.
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