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35d0405c47
As it turns out, there is actually no reason to prevent this, it even was a bigger BC break than expected...
Also fixes a memory leak (the Closure leaks) when calling internal functions via Closure by moving it out of leave helper onto caller side for TOP_CODE:
$z = new SplStack; $z->push(20);
$x = (new ReflectionMethod("SplStack", "pop"))->getClosure($z);
var_dump($x());
80 lines
2.0 KiB
PHP
80 lines
2.0 KiB
PHP
--TEST--
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Closure 043: Scope/bounding combination invariants; static closures
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--FILE--
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<?php
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/* Whether it's scoped or not, a static closure cannot have
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* a bound instance. It should also not be automatically converted
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* to a non-static instance when attempting to bind one */
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$staticUnscoped = static function () { var_dump(isset(A::$priv)); var_dump(isset($this)); };
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class A {
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private static $priv = 7;
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static function getStaticClosure() {
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return static function() { var_dump(isset(A::$priv)); var_dump(isset($this)); };
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}
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}
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$staticScoped = A::getStaticClosure();
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echo "Before binding", "\n";
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$staticUnscoped(); echo "\n";
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$staticScoped(); echo "\n";
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echo "After binding, null scope, no instance", "\n";
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$d = $staticUnscoped->bindTo(null, null); $d(); echo "\n";
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$d = $staticScoped->bindTo(null, null); $d(); echo "\n";
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echo "After binding, null scope, with instance", "\n";
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$d = $staticUnscoped->bindTo(new A, null); /* $d(); */ echo "\n";
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$d = $staticScoped->bindTo(new A, null); /* $d();n*/ echo "\n";
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echo "After binding, with scope, no instance", "\n";
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$d = $staticUnscoped->bindTo(null, 'A'); $d(); echo "\n";
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$d = $staticScoped->bindTo(null, 'A'); $d(); echo "\n";
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echo "After binding, with scope, with instance", "\n";
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$d = $staticUnscoped->bindTo(new A, 'A'); /* $d(); */ echo "\n";
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$d = $staticScoped->bindTo(new A, 'A'); /* $d(); */ echo "\n";
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echo "Done.\n";
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?>
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--EXPECTF--
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Before binding
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bool(false)
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bool(false)
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bool(true)
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bool(false)
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After binding, null scope, no instance
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bool(false)
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bool(false)
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bool(false)
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bool(false)
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After binding, null scope, with instance
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Warning: Cannot bind an instance to a static closure in %s on line %d
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Warning: Cannot bind an instance to a static closure in %s on line %d
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After binding, with scope, no instance
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bool(true)
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bool(false)
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bool(true)
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bool(false)
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After binding, with scope, with instance
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Warning: Cannot bind an instance to a static closure in %s on line %d
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Warning: Cannot bind an instance to a static closure in %s on line %d
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Done.
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