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@ 2014-06-17T12:05:42Z

<?php

$classNames = array(
        "Foo", // userland class
        "StdClass", // class defined by php-src, but still not considered as internal
        "ReflectionClass", // internal class
        "ArrayObject", // internal class implementing Serializable
);

foreach($classNames as $className) {
        print_r("-----------$className-----------");
        var_dump(instanitateWithoutConstructorThroughUnserialize($className));
        if (version_compare(PHP_VERSION, '5.4.0') >= 0) {
                var_dump(instanitateWithoutConstructorThroughReflection($className));
        }
        print_r("----------------------");
}

function instanitateWithoutConstructorThroughUnserialize($className) {
        return unserialize(sprintf('O:%d:"%s":0:{}', strlen($className), $className));
}

function instanitateWithoutConstructorThroughReflection($className) {
        try {
                $ref = new ReflectionClass($className);
                return $ref->newInstanceWithoutConstructor();
        } catch (ReflectionException $e) {
                return $e;
        }
}

class Foo {}

Output for git.master, git.master_jit, rfc.property-hooks: -----------Foo-----------object(Foo)#1 (0) { } object(Foo)#2 (0) { } ---------------------------------StdClass-----------object(stdClass)#2 (0) { } object(stdClass)#1 (0) { } ---------------------------------ReflectionClass----------- Fatal error: Uncaught Exception: Unserialization of 'ReflectionClass' is not allowed in /in/4ZKKW:20 Stack trace: #0 /in/4ZKKW(20): unserialize('O:15:"Reflectio...') #1 /in/4ZKKW(12): instanitateWithoutConstructorThroughUnserialize('ReflectionClass') #2 {main} thrown in /in/4ZKKW on line 20
Process exited with code 255.

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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