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Re: How to use ? and : in a program

Posted by Oli Filth on 10/11/05 12:53

Erwin Moller said the following on 11/10/2005 10:05:
> Michael Jack wrote:
>
>
>>Hi,
>>
>>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.
>
>
> Hi Michael,
>
> It is just a shorthand notation for an if-then-else statement

Not quite. You couldn't use it for something like:

if (6 == $a)
{
for ($i = 0; $i < $a; ++i)
{
...
}
}
else
{
// Some other code
}


It's really a conditional assignment operator.



--
Oli

 

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