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Bug #5884 Not able to unset($var) set as global in function
Submitted: 2000-07-31 23:29 UTC Modified: 2000-08-01 00:11 UTC
From: php42 at hotmail dot com Assigned:
Status: Closed Package: Other
PHP Version: 4.0.1pl2 OS: Linux
Private report: No CVE-ID: None
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 [2000-07-31 23:29 UTC] php42 at hotmail dot com 
<?
$test="test";

function foo() {
  global $test;
  $test = $test . " - foo";
  unset($test);
}

foo();
if (isset($test)) { echo "Set: $test"; } else { echo "Unset"; }
echo "<br>";
unset($test);
if (isset($test)) { echo "Set: $test"; } else { echo "Unset"; }

?> 

echos out:

Set: test - foo
Unset

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 [2000-08-01 00:11 UTC] waldschrott@php.net 
taken from the php.net site:
"unset() now breaks the association between a locally scoped variable and one that is globally scoped if the reference is made using the "global" keyword."

I?ll not recommend you to touch the $GLOBALS array directly ;)
 
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