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Re: [PHP] Strange array access problem

Posted by Ken Tozier on 10/26/05 08:34

Rob ,

Very helpful, Thanks!

I'll try to rewrite the serializer on the javascript end to encode
integer keys as integers.

Ken


On Oct 26, 2005, at 1:23 AM, Robert Cummings wrote:

> On Wed, 2005-10-26 at 01:06, Robert Cummings wrote:
>
>>
>> I did some more investigating. Your problem appears to be PHP5
>> specific.
>> I manually created the serialize string I assumed you had, but
>> PHP4 was
>> smarter than me and auto converted the string key to an integer once
>> again; however, PHP5 for some reason during unserialization
>> maintained
>> the string type for the key, however it was not able to access the
>> value
>> because upon attempting to access the value I'm assuming it did a
>> type
>> conversion to integer... additionally I got the following error
>> notice
>> when trying to access the value:
>>
>> <b>Notice</b>: Undefined index: 0 in <b>/home/suds/foo.php</b>
>> on line
>> <b>25</b><br />
>> NULL
>>
>> The following can duplicated the error:
>>
>> $ser = 'a:1:{s:1:"0";s:3:"foo";}';
>> $unser = unserialize( $ser );
>> var_dump( $unser );
>> var_dump( $unser['0'] );
>>
>
> FYI this is not considered a bug in PHP since PHP will not produce
> serialized output in that form (IMHO it is a bug since it deviates
> from
> an expected functionality with respect to how serialized data
> should be
> encoded-- but then maybe there's a doc somewhere that states you
> have to
> convert integer strings to real integers for keys *shrug*):
>
> http://bugs.php.net/bug.php?id=27712
>
> Cheers,
> Rob.
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