Posted by Michael Jack on 10/11/05 12:29

Many thanks for the swift reply.

Regards,

"lallous" <lallous@lgwm.org> wrote in message
news:3r1dm8Fhd9l2U1@individual.net...
> Hello
>
> Check the manual for: "ternary operator"
>
> In short:
>
> C = cond ? A : B
>
> as if:
>
> if (cond) C = A else C = B
>
> Regards,
> Elias
> "Michael Jack" <michael@jack2005.com> wrote in message
> news:difude$ksh$1@domitilla.aioe.org...
>> In the program below, what is the meaning/use of
>> the question mark (?gcd) and the colon (:$a) after the return statement?
>> Any
>> explanation will be appreciated.
>>
>> <?
>> $x=32;
>> $y=80;
>> function gcd($a, $b)
>> { return ($b>0)?gcd($b,$a%$b):$a;}
>> $val=gcd($x, $y);
>> print "The greatest common denominator of $x and $y is $val";
>> ?>
>>
>> This recursive program is used to find the greatest common denominator of
>> 2
>> numbers.
>>
>> TIA
>>
>>
>
>

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