Re: [ZEND-ENGINE-CVS] cvs: ZendEngine2 / zend_closures.c zend_closures.h zend_object_handlers.c /tests closure_033.phpt closure_034.phpt

Do you mean JavaScript like tricks which allow to create new methods by
assigning closures to object properties?

As I remember, it was decided not to support it.

Thanks. Dmitry.

Marcus Boerger wrote:
> Hello Dmitry,
> 
>   it's what prototyping requires. I just made this behave as expected.
> 
> marcus
> 
> Sunday, January 11, 2009, 9:09:14 AM, you wrote:
> 
>> Hi Marcus,
> 
>> I'm wondered where this behavior comes from (It was never proposed or
>> may be I missed it).
> 
>> Now, the simple assignment of closure to property and back changes its
>> internal $this pointer.
> 
>> As result the following example is broken.
> 
>> <?php
>> class A {
>>         private $a = 0;
>>         public $bar;
>>         function foo() {
>>                 return function() {
>>                         return $this->a++;
>>                 };
>>         }
>> }
>> class B {
>>         public $bar;
>>         function foo($a) {
>>                 return $a->foo();
>>         }
>> }
>> $a = new A;
>> $b = new B;
>> $f1 = $a->foo();
>> $f2 = $b->foo($a);
>> var_dump($f1());
>> var_dump($f1());
>> var_dump($f2());
>> var_dump($f2());
>> var_dump($f1());
>> $a->bar = $f1;
>> $b->bar = $f2;
>> $f1 = $a->bar;
>> $f2 = $b->bar;   // REASON OF THE BUG
>> var_dump($f1());
>> var_dump($f1());
>> var_dump($f2()); // BUG
>> var_dump($f2());
>> var_dump($f1());
> ?>>
> 
>> Thanks. Dmitry.
> 
> 
>> Marcus Boerger wrote:
>>> helly         Sat Jan  3 17:46:25 2009 UTC
>>>
>>>   Added files:                 
>>>     /ZendEngine2/tests        closure_033.phpt closure_034.phpt 
>>>
>>>   Modified files:              
>>>     /ZendEngine2      zend_closures.c zend_closures.h zend_object_handlers.c 
>>>   Log:
>>>   - Rebind closure when binding to property
>>>   
>>>
> 
> 
> 
> 
> Best regards,
>  Marcus
>