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Re: return value? [message #170887 is a reply to message #170878]

Sun, 05 December 2010 14:00

paulfredlein
Messages: 8
Registered: December 2010

Karma:

Junior Member

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

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

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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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