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Bug #19111 Incorect working !false
Submitted: 2002-08-26 12:36 UTC Modified: 2002-11-10 18:32 UTC
Votes:3
Avg. Score:5.0 ± 0.0
Reproduced:3 of 3 (100.0%)
Same Version:3 (100.0%)
Same OS:3 (100.0%)
From: young at sl dot com dot ua Assigned:
Status: Closed Package: Scripting Engine problem
PHP Version: 4CVS-2002-08-26 OS: Windows2000
Private report: No CVE-ID: None
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 [2002-08-26 12:36 UTC] young at sl dot com dot ua 
Constriction 
if (!false) {
  echo "HERE";
}
under Win32 doestn work.

echo (int) (!false); // display 0

Under Linux all working.

Php 4.3 Dev

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 [2002-09-06 03:51 UTC] phpsurf at ifrance dot com 
it looks like this problem only happens when the script is called with php as an apache module, because true/false constants are not defined and appear as string which means they always evaluate to true !

but when you var_dump(true) or var_dump(false) on a command line call to php, then they are well defined as booleans !!!
 [2002-09-28 16:39 UTC] hholzgra@php.net 
duplicate of #18768
 [2002-11-10 18:32 UTC] sniper@php.net 
This bug has been fixed in CVS.

In case this was a PHP problem, snapshots of the sources are packaged
every three hours; this change will be in the next snapshot. You can
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In case this was a documentation problem, the fix will show up soon at
http://www.php.net/manual/.

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