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Posted by Paul Lautman on 05/21/06 23:41
Chung Leong wrote:
> Paul Lautman wrote:
>> Here's something that I can't manage to find explicitly documented.
>> In the following snippet:
>>
>> function outer() {
>> global $a;
>> function inner() {
>> global $a;
>> echo $a.'1<br>';
>> }
>> $a = 's';
>> inner();
>> echo $a.'2<br>';
>>
>> }
>> outer();
>>>
>>
>> If either of the globals statements is removed, the variable is not
>> accessable within inner.
>
> What you're trying to do won't work if you call outer() more than
> once. PHP has no support for closure or inner functions.
Interesting, that case indeed fails. Yet I came across this problem when
defining a sort function for usort. In that case, one call call the sort
function more than once.
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