php-src/Zend/tests/closure_038.phpt

68 lines
1.2 KiB
PHP

--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}
Next 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