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@ 2013-12-21T09:35:26Z

<?php
class Hoge {
    private $_name;
    private $_var;
    private $_default = "class default";

    private function __construct($name) {
        $this->_name = $name;
        $this->_var = "set by constructor";
        printf("Side effect %s\n", get_class($this));
    }
}

function newInstanceWithoutConstructor($class) {
    $extended = sha1($class) . $class;
    if(!class_exists($extended)) {
        $classCode = "class $extended extends $class {
            public function __construct(){}
        }";
        eval($classCode);
    }
    $dried = serialize(new $extended);
    $fresh = unserialize(str_replace(
        strlen($extended) . ':"' . $extended . '"',
        strlen($class) . ':"' . $class . '"',
        $dried
    ));
    return $fresh;
}

$a = newInstanceWithoutConstructor("Hoge");
assert(is_a($a, "Hoge"));
var_dump($a);

Output for git.master, git.master_jit, rfc.property-hooks: object(Hoge)#1 (3) { ["_name":"Hoge":private]=> NULL ["_var":"Hoge":private]=> NULL ["_default":"Hoge":private]=> string(13) "class default" }

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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