Re: [PHP-DEV] PHP 4.0 Bug #9186 Updated: string compare with "==" does not work correctly

[Zak Greant]

Zeev Suraski wrote:
> At 17:59 9/2/2001, [EMAIL PROTECTED] wrote:
> >ID: 9186
> >User Update by: [EMAIL PROTECTED]
> >Status: Bogus
> >Bug Type: Scripting Engine problem
> >Description: string compare with "==" does not work correctly
> >
> >I think there is no reason to convert any type if both
> >operands of the comparision are of the same type. It costs
> >time and it's completely not necessary. This is a bug.
> 
> No, it's not a bug.  It's definitely an intended behavior.
> PHP does it's best to do the 'right thing' in the most common 
> cases.  Because of the way it works, effectively, comparing strings that 
> 'look like numbers' as if they were numbers makes life much, much easier.
> If you want to enforce a string comparison, use strcmp().

    We should document this behavior then - it could lead to problems 
    that are very hard to track down!

    --zak


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