Re: [PHP] alternative to empty

2005-07-07 Thread xfedex
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

RE: [PHP] alternative to empty

2005-07-07 Thread yanghshiqi
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. > >

Re: [PHP] alternative to empty

2005-07-06 Thread Philip Hallstrom
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 == % -- PHP General Mailing List (http://www.php.ne

Re: [PHP] alternative to empty

2005-07-06 Thread Dan Rossi
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 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php

Re: [PHP] alternative to empty

2005-07-06 Thread André Medeiros
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: > >

Re: [PHP] alternative to empty

2005-07-06 Thread André Medeiros
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

Re: [PHP] alternative to empty

2005-07-06 Thread Angelo Zanetti
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

Re: [PHP] alternative to empty

2005-07-06 Thread André Medeiros
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 >

Re: [PHP] alternative to empty

2005-07-06 Thread Dan Rossi
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/)