json serializable

json serializable.php

<?php

class Person implements \JsonSerializable
{
    public function __construct($name, $surname)
    {
        $this->name    = $name;
        $this->surname = $surname;
    }
    
    public function jsonSerialize()
    {
        return [
            'name'    => $this->name,
            'surname' => $this->surname,
        ];
    }
}

var_dump(json_encode(new Person('Jan', 'Kowalski')));