make global variables accessible to functions?

["Bing Du" <bdu@xxxxxxxxxxx>]

Hello,

We use PHP 4.3.9. 'register_globals = Off' is set in php.ini.  I've heard
using 'global' could cause security problems.  Is using $GLOBALS still not
more secure than using the 'global' keyword? How should function foo()
obtain the value of $a?

====
<?php

$a = 'one';
foo();

function foo () {
global $a;
echo "a is $a";

}
?>
===

Thanks in advance,

Bing

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