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Re: return value? [message #170889 is a reply to message #170887]

Sun, 05 December 2010 14:48

Jerry Stuckle
Messages: 2598
Registered: September 2010

Karma:

Senior Member

On 12/5/2010 9:00 AM, Paul Fredlein wrote:
> Thomas 'PointedEars' Lahn<PointedEars(at)web(dot)de> wrote:
>
>> Paul Fredlein wrote:
>>
>>> Basic newbie question:-
>>>
>>> $value = "0";
>>> return $value;
>>>
>>> I assume that would return a string (or in this case one char with the
>>> hex value of 30) - is that right?
>>>
>>> $value = 0;
>>> return $value;
>>>
>>> What does this return? Is it a string, a short int (little endian or big
>>> endian) or what?
>>
>> Yes and yes. (Try the gettype() function, or var_dump()).
>>
>>
>> PointedEars

<Top posting fixed>

> Hi,
>
> I'm returning the variables to a C++ programme running on the client
> machine, I'm just a bit confused with php.
>
> If I return "1234" then I'm returning a string of 4 chars - 4 bytes,
> but if it's a short int then it's only 2 bytes. Seems wasteful to
> return more than I need to do.
>
> Thanks,
>
> Paul
>
>
<top posting fixed>

You're worried about 2 bytes on a machine which has hundreds of
megabytes (or even gigabytes)?

If you're that worried about performance, you shouldn't be using PHP in
the first place. You should be doing everything in C. Or

Quite frankly, I've never seen anyone so obsessed with premature
optimization as you are, Paul. The things you're considering
"important" are so small in the scheme of things that they will be
unnoticeable.

And please don't top post.

--
==================
Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex(at)attglobal(dot)net
==================

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[Message index]

		return value? By: paulfredlein on Sat, 04 December 2010 07:39
		Re: return value? By: Luuk on Sat, 04 December 2010 10:13
		Re: return value? By: Jerry Stuckle on Sat, 04 December 2010 13:57
		Re: return value? By: Thomas 'PointedEars' on Sat, 04 December 2010 17:31
		Re: return value? By: paulfredlein on Sun, 05 December 2010 14:00
		Re: return value? By: Luuk on Sun, 05 December 2010 14:13
		Re: return value? By: Allodoxaphobia on Sun, 05 December 2010 18:01
		Re: return value? By: paulfredlein on Mon, 06 December 2010 07:58
		Re: return value? By: Jerry Stuckle on Sun, 05 December 2010 14:48
		Re: return value? By: paulfredlein on Mon, 06 December 2010 07:58
		Re: return value? By: Thomas 'PointedEars' on Sun, 05 December 2010 18:11

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