Do sparse arrays take up full memory?

From: Ian (giblin_at_panix.com)
Date: 02/25/05 

Date: 25 Feb 2005 07:28:42 -0800

I always thought that

my @array;
$array[0] = 1;
$array[99] = 1;

 ....would only use two array elements' worth of memory. After reading
some of the documentation, I'm not so sure. What's the real answer
please?

Thanks!
Ian.

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