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@ 2021-09-29T19:18:23Z

<?php

class SomeObject implements JsonSerializable {
    public string $placeholder = 'hallo';
    public string $id;
    public string $model;
    public string $value;
    public bool $disabled;
    public bool $required;

    public function jsonSerialize(): mixed
    {
        return array_map(
            fn($value) => $value ?? '',
            array_merge(
                get_class_vars(__CLASS__),
                get_object_vars($this)
            )
        );
    }
}

class MainObject implements JsonSerializable
{
    public string $mainName;
    public SomeObject $someObject;

    public function __construct() {
        $this->mainName = (new ReflectionClass(MainObject::class))->getShortName();
        $this->someObject = new SomeObject();
    }

    public function jsonSerialize(): mixed
    {
        return get_object_vars($this);
    }
}

$main = new MainObject;
echo json_encode($main, JSON_PRETTY_PRINT);

Output for git.master, git.master_jit, rfc.property-hooks: { "mainName": "MainObject", "someObject": { "placeholder": "hallo", "id": "", "model": "", "value": "", "disabled": "", "required": "" } }

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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