csu3_am335x/EVSE/GPL/php-8.1.12/Zend/tests/closure_038.phpt

--TEST--
Closure 038: Rebinding closures, change scope, different runtime type
--FILE--
<?php

class A {
    private $x;

    public function __construct($v) {
        $this->x = $v;
    }

    public function getIncrementor() {
        return function() { return ++$this->x; };
    }
}
class B extends A {
    private $x;
    public function __construct($v) {
        parent::__construct($v);
        $this->x = $v*2;
    }
}

$a = new A(0);
$b = new B(10);

$ca = $a->getIncrementor();
var_dump($ca());

echo "Testing with scope given as object", "\n";

$cb = $ca->bindTo($b, $b);
$cb2 = Closure::bind($ca, $b, $b);
var_dump($cb());
var_dump($cb2());

echo "Testing with scope as string", "\n";

$cb = $ca->bindTo($b, 'B');
$cb2 = Closure::bind($ca, $b, 'B');
var_dump($cb());
var_dump($cb2());

$cb = $ca->bindTo($b, NULL);
var_dump($cb());

?>
--EXPECTF--
int(1)
Testing with scope given as object
int(21)
int(22)
Testing with scope as string
int(23)
int(24)

Fatal error: Uncaught Error: Cannot access private property B::$x in %s:%d
Stack trace:
#0 %s(%d): Closure->{closure}()
#1 {main}
  thrown in %s on line %d