PHP 4.0 Bug #10162: different behaviour of && and and operator
| From: | gerald dot kallas at web dot de | Date: | Wed, 04 Apr 2001 15:59:37 +0000 |
| Subject: | PHP 4.0 Bug #10162: different behaviour of && and and operator | ||
| Groups: | php.dev | ||
| Request: | Send a blank email to php-dev+get-50856@lists.php.net to get a copy of this message | ||
From: gerald.kallas@web.de
Operating system: Windows 2000 Professional
PHP version: 4.0.4
PHP Bug Type: Unknown/Other Function
Bug description: different behaviour of && and and operator
in the case shown below both operators generate different values, once TRUE twice FALSE
source code
<?php
function isValid_and($a)
{
$valid = true;
$b = 1;
$valid = $valid and (strlen($a) >= $b);
return $valid;
}
function isValid_and_($a)
{
$valid = true;
$b = 1;
$valid = $valid && (strlen($a) >= $b);
return $valid;
}
$a = "";
if (isValid_and($a))
echo "and - true<br/>";
else
echo "and - false<br/>";
if (isValid_and_($a))
echo "&& - true<br/>";
else
echo "&& - false<br/>";
?>
--
Edit Bug report at: http://bugs.php.net/?id=10162&edit=1