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Bug #5450 unset ain't doing it's job in functions
Submitted: 2000-07-08 07:42 UTC Modified: 2000-07-08 09:21 UTC
From: gregory at 9voltnet dot com Assigned:
Status: Closed Package: Scripting Engine problem
PHP Version: 4.0.1pl2 OS: linux 2.2.14
Private report: No CVE-ID: None
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From: gregory at 9voltnet dot com
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 [2000-07-08 07:42 UTC] gregory at 9voltnet dot com 
<%
  $a = 'value';

  function foo()
  {
    global $a;

    unset($a);
  }

  function bar()
  {
    global $a;

    $a = 0;
  }

  print "$a\n";
  print isset($a) . "\n";

  foo();
  print "$a\n";
  print isset($a) . "\n";

  bar();
  print "$a\n";
  print isset($a) . "\n";
%>

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 [2000-07-08 09:21 UTC] stas at cvs dot php dot net 
do not use unset on global. Use unset $GLOBALS["a"]
It's really a FAQ already. Probably needs to be added to documentation.
 
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