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Posted by Andr� H�nsel on 06/14/01 11:37
Chung Leong wrote:
> Andr� H�nsel wrote:
>> Hi!
>>
>> This:
>>
>> function foo()
>> {
>> $a = array('a' => 'b', 'c' => 'd');
>> return array_keys($a);
>> }
>> while ($a = each(foo()))
>> {
>> echo 'dummy';
>> }
>>
>> produces an infinite loop. Probably since the result of array_key
>> doesn't support an array pointer or so, I don't know how this is
>> internally implemented.
>>
>> Shouldn't this be considered as a bug? Shouldn't be the resulst of
>> array_key walkable with each?
>
> It's a bug alright--yours. foo() will return a fresh array each time,
> so the condition is always true.
Oh, I see.
Is there any solution that supports the "while ($a = each(foo()))"
construction?
Caching the result in a static variable?
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