Hi,
On 7/6/05, Ross <[EMAIL PROTECTED]> wrote:
> 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.
>
>
>
>
> Is there an alternative that will just check for empty strings. I suppose I
> c
Rossi
Cc: Ross; php-general@lists.php.net
Subject: Re: [PHP] alternative to empty
>> 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.
>
>
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 ($string == '') ??
Careful... notice the differenec b/n == and ===
% php foo.php
==
%
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On 06/07/2005, at 10:47 PM, André Medeiros wrote:
If ($string == '') ??
or if (isset($string)) ??
$string may be defined and still be empty ;)
Hence my first example :P
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On Wed, 2005-07-06 at 13:20 +0200, Angelo Zanetti wrote:
> what about checking that the length is >0
>
Checking if length > 0 requires calling a function, wich takes longer
(it's a ridiculous difference, but still...)
> but i think the other suggestions are fine.
>
> André Medeiros wrote:
>
>
On Wed, 2005-07-06 at 20:23 +1000, Dan Rossi wrote:
> On 06/07/2005, at 7:55 PM, Ross wrote:
>
> > I have been using empty in forms for some time now. but have just
> > discovered
> > that
> >
> > PHP 4 As of PHP 4, The string value "0" is considered empty.
> >
> >
> >
> >
>
> If ($string
what about checking that the length is >0
but i think the other suggestions are fine.
André Medeiros wrote:
>On Wed, 2005-07-06 at 10:55 +0100, Ross wrote:
>
>
>>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
On Wed, 2005-07-06 at 10:55 +0100, Ross wrote:
> 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.
>
>
>
>
> Is there an alternative that will just check for empty strings. I suppose I
>
On 06/07/2005, at 7:55 PM, Ross wrote:
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 ($string == '') ??
or if (isset($string)) ??
--
PHP General Mailing List (http://www.php.net/)
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.
Is there an alternative that will just check for empty strings. I suppose I
could just use eregi and check for numbers but thought there may be
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