On Thu, Jul 25, 2002 at 10:26:03PM +0200, Bas Jobsen wrote:
> Hello,
>
> I have this example code:
> function doprint($a){foreach($a as $value)echo $value;}
> doprint(array('1','test','hello','and'));
>
> Question, is the array in memory after the function call?
> So, should it be better to use this:
>
> function doprint($a){foreach($a as $value)echo $value;}
> doprint($temp=array('1','test','hello','and'));
> unset($temp);
Depends on the scope you're talking about. The first way doesn't set the
array into memory outside the function, but it goes into memory inside the
function as $a. The second way puts it into memory twice, first as $temp
and second as $a.
Now, I'm not certain of what happens to your memory allocation inside the
function. I don't believe PHP automatically cleans up memory under such
circumstances. If I'm correct and you want to keep memory down, you could
do an unset() INSIDE the function.
--Dan
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