Thanks for alll the feedback. I also needed to correct a logic issue with
this code to check that a number not be divisible by 2 as my function was
stating all perfect powers of 2 were prime. I need to remeber as I move from
other languages the difference between = and ==. Of course I will be more
careful about this next time.
----- Original Message -----
From: "Robert Cummings" <robert@xxxxxxxxxxxxx>
Newsgroups: php.general
To: "Myron Turner" <turnermm02@xxxxxxx>
Cc: <ceo@xxxxxxxxx>; "Jonathan Kahan" <jonathan@xxxxxxxxxxxxxx>; "php Lists"
<php-general@xxxxxxxxxxxxx>
Sent: Wednesday, March 14, 2007 8:29 AM
Subject: Re: 2 errors I can not understand
On Wed, 2007-03-14 at 06:52 -0500, Myron Turner wrote:
Richard Lynch wrote:
> On Tue, March 13, 2007 6:04 pm, Jonathan Kahan wrote:
>
>> This did fix the problem but I am amazed that
>>
>> $s%$d=0 would be interpereted as a statement assigning d to 0 since
>> there is
>> some other stuff in front of d... I would think that would produce an
>> error
>> at compile time since $s%$d is an illegal variable name. Normally when
>> my
>> php script errors at compile time nothing will display to the screen.
>>
>
> You still have not correctly puzzled out what $s % $d = 0 is doing...
>
> The = operator takes precedence, and $d is set to 0.
>
But why? According to the manual, the modulus operator has precedence
over the equals!
Must be a bug... parenthesis will help to not find the bug :)
Cheers,
Rob.
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