If I'm doing, as it might be, the following in PHP:
$dbh = new PDO ("sqlite:mydb");
$res1 = $dbh->query ("select ...");
$res11 = $res1->fetchAll (PDO::FETCH_ASSOC);
Does anyone know at what point the variable $res1 becomes free for
re-use? Is it immediately after the assignment to $res11 above
(assuming I don't want to fetch the result set again)?
In re-using these variables ($res1 and $res11), if I simply re-assign
to them, does that cause a memory loss or is the garbage collection
automatic? Or do I need to free up the space by setting them to null
first, or via some function call?
(I had a look at php.net but the doc is a bit sketchy).
Thanks,
--
-- tim
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