Re: Numerical string comparison - octal and hex.
| From: | hack988 hack988 | Date: | Wed, 13 Jan 2010 16:21:17 +0000 |
| Subject: | Re: Numerical string comparison - octal and hex. | ||
| References: | 1 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-46698@lists.php.net to get a copy of this message | ||
I think it's not an but!
you must read carefuly about "Single quoted" and "Double quoted"
2010/1/14 Richard Quadling <rquadling@googlemail.com>:
> Hello.
>
> In looking at numer vs string comparison, I think I've found an oddity.
>
> You can successfully compare hex strings ...
>
> var_dump(255 == '0xff');
>
> but not octal strings ...
>
> var_dump(63 == '077');
>
>
> Is this a bug (lack of octal support) or an unexpected feature (hex support)?
>
>
> Neither formats are documented in [1].
>
>
> Regards,
>
> Richard.
>
> [1]
> http://docs.php.net/manual/en/language.types.string.php#language.types.string.conversion
> --
> -----
> Richard Quadling
> "Standing on the shoulders of some very clever giants!"
> EE : http://www.experts-exchange.com/M_248814.html
> Zend Certified Engineer :
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>
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