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@ 2023-04-12T08:43:03Z

<?php

class obj implements Serializable {
    private $data;

    public function __construct() {
        $this->data = "My private data";
    }

    public function __serialize() {
        echo '__serialize' . PHP_EOL;
        return ['foo' => $this->data];
    }
    public function __unserialize($data) {
        echo '__unserialize' . PHP_EOL;
        $this->data = $data['foo'];
    }

    public function serialize() {
        echo 'serialize' . PHP_EOL;
        return serialize($this->data);
    }
    
    public function unserialize($data) {
        echo 'unserialize' . PHP_EOL;
        $this->data = unserialize($data);
    }

    public function getData() {
        return $this->data;
    }
}

$obj = new obj;
$ser = serialize($obj);
var_dump($ser);

$unser = unserialize($ser);
echo($unser->getData());

Output for git.master, git.master_jit, rfc.property-hooks: __serialize string(47) "O:3:"obj":1:{s:3:"foo";s:15:"My private data";}" __unserialize My private data

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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