Online PHP editor | rfc for 0Chn9

@ 2019-02-08T17:28:03Z

<?php

ini_set('error_reporting', '-1');
ini_set('display_errors', '1');

class SerializableClass implements \Serializable
{
    private $foo = 'bar';

    public function serialize()
    {
        return serialize([$this->foo]);
    }

    public function unserialize($serialized)
    {
        list($this->foo) = unserialize($serialized);
    }
}

class SleepableClass
{
    private $foo = 'bar';

    public function __sleep()
    {
        return ['foo'];
    }
}

function safelyUnserialize($file)
{
    $e = null;
    $meta = false;
    // $content = file_get_contents($file);
    $content = $file;
    $signalingException = new \UnexpectedValueException();
    $prevUnserializeHandler = ini_set('unserialize_callback_func', '');
    $prevErrorHandler = set_error_handler(function ($type, $msg, $file, $line, $context = []) use (&$prevErrorHandler, $signalingException) {
        if (__FILE__ === $file) {
            throw $signalingException;
        }

        return $prevErrorHandler ? $prevErrorHandler($type, $msg, $file, $line, $context) : false;
    });

    try {
        $meta = unserialize($content);
    } catch (\Throwable $e) {
        if ($e !== $signalingException) {
            throw $e;
        }
    } finally {
        restore_error_handler();
        ini_set('unserialize_callback_func', $prevUnserializeHandler);
    }

    return $meta;
}

echo "\n---------- [ Serializable ] ----------\n\n";

$serializableObject = new SerializableClass();
$serializableValidPayload = serialize($serializableObject);
$serializableInvalidPayload = str_replace('"SerializableClass"', '"SerializableClazz"', $serializableValidPayload);

echo "\n----- Invalid payload:\n\n";

var_dump($serializableInvalidPayload);

echo "\n----- unserialize()\n\n";

var_dump(unserialize($serializableInvalidPayload));

echo "\n----- safelyUnserialize()\n\n";

var_dump(safelyUnserialize($serializableInvalidPayload));

echo "\n---------- [ Sleep / Wakeup ] ----------\n\n";

$sleepableObject = new SleepableClass();
$sleepableValidPayload = serialize($sleepableObject);
$sleepableInvalidPayload = str_replace('"SleepableClass"', '"SleepableClazz"', $sleepableValidPayload);

echo "\n----- Invalid payload:\n\n";

var_dump($sleepableInvalidPayload);

echo "\n----- unserialize()\n\n";

var_dump(unserialize($sleepableInvalidPayload));

echo "\n----- safelyUnserialize()\n\n";

var_dump(safelyUnserialize($sleepableInvalidPayload));

Output for git.master, git.master_jit, rfc.property-hooks: Deprecated: SerializableClass implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /in/0Chn9 on line 6 ---------- [ Serializable ] ---------- ----- Invalid payload: string(50) "C:17:"SerializableClazz":20:{a:1:{i:0;s:3:"bar";}}" ----- unserialize() Warning: Class __PHP_Incomplete_Class has no unserializer in /in/0Chn9 on line 73 object(__PHP_Incomplete_Class)#2 (1) { ["__PHP_Incomplete_Class_Name"]=> string(17) "SerializableClazz" } ----- safelyUnserialize() bool(false) ---------- [ Sleep / Wakeup ] ---------- ----- Invalid payload: string(63) "O:14:"SleepableClazz":1:{s:19:"SleepableClassfoo";s:3:"bar";}" ----- unserialize() object(__PHP_Incomplete_Class)#3 (2) { ["__PHP_Incomplete_Class_Name"]=> string(14) "SleepableClazz" ["foo":"SleepableClass":private]=> string(3) "bar" } ----- safelyUnserialize() object(__PHP_Incomplete_Class)#5 (2) { ["__PHP_Incomplete_Class_Name"]=> string(14) "SleepableClazz" ["foo":"SleepableClass":private]=> string(3) "bar" }

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2022-12-01 RFC: Property hooks - included in PHP 8.4
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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