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@ 2014-07-18T11:09:43Z

<?php
class Foo {
    private $foo;
    private function __construct($spam){
        $this->foo = $spam;
    }

    public function getFoo() {
        return $this->foo;
    }
}

function instantiatePrivateCtor($class /*, $...args */)
{
    $args = array_slice(func_get_args(), 1);
    $extClass = $class . '__Ext';

    if (!class_exists($extClass)) {
        $ns = ltrim(dirname($extClass), '\\');
        $name = basename($extClass);
        $namespace = $ns && $ns !== '.' ? 'namespace ' . $ns . ';' : '';


        eval("
$namespace
class $name extends $class {
    public function __construct() {
         \$args = func_get_args();
         call_user_func_array('parent::__construct', \$args);
    }
}
");
    }

    $reflClass = new \ReflectionClass($extClass);
    return $reflClass->newInstanceArgs($args);
}

$args = 'bacon';
$class = 'Foo';
$reflClass = new \ReflectionClass($class);

$instance = instantiatePrivateCtor($class, 'bacon');


echo $instance->getFoo();

Output for git.master, git.master_jit, rfc.property-hooks: Deprecated: Use of "parent" in callables is deprecated in /in/ff6q0(26) : eval()'d code on line 6 Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, cannot access private method Foo::__construct() in /in/ff6q0(26) : eval()'d code:6 Stack trace: #0 [internal function]: Foo__Ext->__construct('bacon') #1 /in/ff6q0(36): ReflectionClass->newInstanceArgs(Array) #2 /in/ff6q0(43): instantiatePrivateCtor('Foo', 'bacon') #3 {main} thrown in /in/ff6q0(26) : eval()'d code on line 6
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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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