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.
If ($string == '') ??
Careful... notice the differenec b/n
Hi,
On 7/6/05, Ross [EMAIL PROTECTED] wrote:
I have been using empty in forms for some time now. but have just discovered
that
PHP 4 As of PHP 4, The string value 0 is considered empty.
Is there an alternative that will just check for empty strings. I suppose I
could just use
I have been using empty in forms for some time now. but have just discovered
that
PHP 4 As of PHP 4, The string value 0 is considered empty.
Is there an alternative that will just check for empty strings. I suppose I
could just use eregi and check for numbers but thought there may be
On 06/07/2005, at 7:55 PM, Ross wrote:
I have been using empty in forms for some time now. but have just
discovered
that
PHP 4 As of PHP 4, The string value 0 is considered empty.
If ($string == '') ??
or if (isset($string)) ??
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PHP General Mailing List (http://www.php.net/)
On Wed, 2005-07-06 at 10:55 +0100, Ross wrote:
I have been using empty in forms for some time now. but have just discovered
that
PHP 4 As of PHP 4, The string value 0 is considered empty.
Is there an alternative that will just check for empty strings. I suppose I
could just
what about checking that the length is 0
but i think the other suggestions are fine.
André Medeiros wrote:
On Wed, 2005-07-06 at 10:55 +0100, Ross wrote:
I have been using empty in forms for some time now. but have just discovered
that
PHP 4 As of PHP 4, The string value 0 is
On Wed, 2005-07-06 at 20:23 +1000, Dan Rossi wrote:
On 06/07/2005, at 7:55 PM, Ross wrote:
I have been using empty in forms for some time now. but have just
discovered
that
PHP 4 As of PHP 4, The string value 0 is considered empty.
If ($string == '') ??
or if
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,
On 06/07/2005, at 10:47 PM, André Medeiros wrote:
If ($string == '') ??
or if (isset($string)) ??
$string may be defined and still be empty ;)
Hence my first example :P
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I have been using empty in forms for some time now. but have just
discovered
that
PHP 4 As of PHP 4, The string value 0 is considered empty.
If ($string == '') ??
Careful... notice the differenec b/n == and ===
?php
$s = 0;
if ($s == '') {
print(==\n);
}
if ($s ===
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