afan pasalic wrote:
> Daniel Brown wrote:
>> On Jan 4, 2008 12:52 PM, afan pasalic <afan@xxxxxxxx> wrote:
>>> I think you didn't understand my question: I know why the function work
>>> in 2nd example. My question was why I'm not getting the result in 1st
>>> example? What am I doing wrong. And, as far as I know, I think it
>>> doesn't have anything with GLOBALS (register_globals are anyway turned off).
>> Also, keep in mind that, in the else{} clause of the first
>> function, you're not using return; to send back the information. In
>> my opinion, you shouldn't call a function from within its own
>> definition because it can cause a loop if the conditions are met and
>> the else{} clause is reached over and over again. If there is a
>> situation where get_content(0, 0, $index1); doesn't return any rows,
>> the function will loop eternally (that is, until PHP gets dizzy and
>> gives up).
>>
>
> that's "recursive" function and it can call itself (though, you're
> right, if you are not careful you can finish in loop :)).
> and I think I don't need return in "else" statement because the result
> to be send "back" is in "if" statement.
>
> -afan
>
Trust me, you have to return in the else part, otherwise it isn't going to work!
--
Jim Lucas
"Some men are born to greatness, some achieve greatness,
and some have greatness thrust upon them."
Twelfth Night, Act II, Scene V
by William Shakespeare
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