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@ 2014-10-31T14:56:42Z

<?php
class A {
    private static $_count = 0;
	private $_number;
    function __construct() {
        $this->_number = ++static::$_count;
    }

    public function __toString(){
        return static::$_count  . ' | ' . $this->_number . "\n";
    }

	public function __invoke(){
		return $this->_number;
	}
}

class B {
	private $_status = C::newInstance;
	public function show (){echo $this->_status;}
}

class C {
	private $message;
	public function __construct($message){
		$this->message = $message;
	}

	public static function newInstance($message){
		return new C($message);
	}

	public function __toString(){
		return $this->message . " | ";
	}

}

$_b = new B();
$_b->show();

$a = new A();
$b = new A();
$c = new A();
$d = new A();

echo $a, $b, $c, $d;
echo $a(), $b(), $c(), $d();

Output for git.master, git.master_jit: Fatal error: Uncaught Error: Undefined constant C::newInstance in /in/9KiD0:19 Stack trace: #0 {main} thrown in /in/9KiD0 on line 19
Process exited with code 255.
Output for rfc.property-hooks: Fatal error: Uncaught Error: Undefined constant C::newInstance in /in/9KiD0:19 Stack trace: #0 /in/9KiD0(39): [constant expression]() #1 {main} thrown in /in/9KiD0 on line 19
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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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