Re: Integer question
| From: | Jochem Maas | Date: | Thu, 22 Mar 2007 19:38:12 +0000 |
| Subject: | Re: Integer question | ||
| References: | 1 2 3 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-251125@lists.php.net to get a copy of this message | ||
Tijnema ! wrote:
> On 3/22/07, Jochem Maas <jochem@iamjochem.com> wrote:
>> Matt Carlson wrote:
>> > When dealing with large numbers inside of php, I know at the int
>> limit, a variable is recast into float.
>> >
>> >
>> >
>> > 1). How do you return the true number of the float when it reaches
>> the upper limits of mysql's bigint (9223372036854775807).
>>
>> I can't see how that is possible, once its 'floated' the precise int
>> is gone.
>> although you might consider returning the given mysql bigint field as a
>> string 'CAST() AS STRING' (or whatever the syntax is) and then using
>> the string inconjunction with
>> the bc or gmp extensions.
>>
>> > 2). How do you handle numbers that large, while maintaining precision.
>>
>> keep them as strings - and/or use a 64bit machine?
>
> a 64bit machine would make the number larger, not unlimited :)
this I understand, 64bits may give him enough precision
for his needs though.
>
>>
>> > 3). Is there a php equivalent of unsigned?
>>
>> no
>>
>> >
>> > Thanks all
>> >
>> >
>> >
>> >
>> >
>>
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