mirror of
https://github.com/php/php-src.git
synced 2024-09-21 18:07:23 +00:00
68 lines
1.6 KiB
PHP
68 lines
1.6 KiB
PHP
--TEST--
|
|
Closure 046: Rebinding: preservation of previous scope when "static" given as scope arg (same as closure #041)
|
|
--FILE--
|
|
<?php
|
|
|
|
/* It's impossible to preserve the previous scope when doing so would break
|
|
* the invariants that, for non-static closures, having a scope is equivalent
|
|
* to having a bound instance. */
|
|
|
|
$nonstaticUnscoped = function () { var_dump(isset(A::$priv)); var_dump(isset($this)); };
|
|
|
|
class A {
|
|
private static $priv = 7;
|
|
function getClosure() {
|
|
return function() { var_dump(isset(A::$priv)); var_dump(isset($this)); };
|
|
}
|
|
}
|
|
class B extends A {}
|
|
|
|
$a = new A();
|
|
$nonstaticScoped = $a->getClosure();
|
|
|
|
echo "Before binding", "\n";
|
|
$nonstaticUnscoped(); echo "\n";
|
|
$nonstaticScoped(); echo "\n";
|
|
|
|
echo "After binding, no instance", "\n";
|
|
$d = $nonstaticUnscoped->bindTo(null, "static"); $d(); echo "\n";
|
|
$d = $nonstaticScoped->bindTo(null, "static"); var_dump($d); echo "\n";
|
|
|
|
echo "After binding, with same-class instance for the bound one", "\n";
|
|
$d = $nonstaticUnscoped->bindTo(new A, "static"); $d(); echo "\n";
|
|
$d = $nonstaticScoped->bindTo(new A, "static"); $d(); echo "\n";
|
|
|
|
echo "After binding, with different instance for the bound one", "\n";
|
|
$d = $nonstaticScoped->bindTo(new B, "static"); $d(); echo "\n";
|
|
|
|
echo "Done.\n";
|
|
?>
|
|
--EXPECTF--
|
|
Before binding
|
|
bool(false)
|
|
bool(false)
|
|
|
|
bool(true)
|
|
bool(true)
|
|
|
|
After binding, no instance
|
|
bool(false)
|
|
bool(false)
|
|
|
|
|
|
Warning: Cannot unbind $this of closure using $this in %s on line %d
|
|
NULL
|
|
|
|
After binding, with same-class instance for the bound one
|
|
bool(false)
|
|
bool(true)
|
|
|
|
bool(true)
|
|
bool(true)
|
|
|
|
After binding, with different instance for the bound one
|
|
bool(true)
|
|
bool(true)
|
|
|
|
Done.
|