Posted by Philip Hallstrom on 07/06/05 19:14

>> I have been using empty in forms for some time now. but have just
>> discovered
>> that
>>
>> PHP 4 As of PHP 4, The string value "0" is considered empty.
>
> If ($string == '') ??

Careful... notice the differenec b/n == and ===....

<?php
$s = 0;
if ($s == '') {
print("==\n");
}

if ($s === '') {
print("===\n");
}
?>

% php foo.php
==
%

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