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[nycphp-talk] Pass-by-value and lazy copy

Daniel Convissor danielc at analysisandsolutions.com
Sat Nov 24 19:15:11 EST 2007


Hi Gary:

On Thu, Nov 22, 2007 at 08:34:02AM -0500, Gary Mort wrote:
> So, in the pass by reference talk, it was pointed out that if you do:
> 
> $a = 100;
> $b = 100;
> // At this point in time, $a and $b are still using the same memory to 
> store their data

Nope.  They have two separate memory assignments.  But they'll be the 
same if you do the following:

$a = 100;
$b = $a;

--Dan

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