If you include a file within a function, that file will be loaded in
that function's scope. Example:
<?php
function test()
{
include 'a.inc.php';
}
test();
echo isset($a) ? '$a is set' : '$a is not set', ".\n";
include 'a.inc.php';
echo isset($a) ? '$a is set' : '$a is not set', ".\n";
?>
The same happens if b.class.php is included within a function (or class
member, etc.) and includes a.inc.php, as in your example (I am presuming.)
If this is the problem, I suggest simply adding:
global $a;
At the top of a.inc.php, which will solve the problem for you.
-[Unknown]
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