At 03:02 AM 2/7/2001 +0100, Cynic wrote:
with all respect to the people who develop the language, I
think this is nonsense:
$rs = mysql_query( 'select x, y, z from foo where ...' ) ;
$x = mysql_fetch_array( $rs , MYSQL_NUM ) ;
var_dump( $x[2] ) ;
var_dump( isset( $x[2] ) ) ;
NULL # well, the
The following was reported today in the german language newsgroup
news:de.comp.lang.php:
?php
$a = NULL;
if (isset($a)) { print "ok, du hast recht"; }
?
Shouldn't this script generate some output? IMO $a is set
and isset() should return true.
The manual says:
"isset -- Determine whether a
On Tue, 06 Feb 2001, Martin Jansen wrote:
The following was reported today in the german language newsgroup
news:de.comp.lang.php:
?php
$a = NULL;
if (isset($a)) { print "ok, du hast recht"; }
?
Shouldn't this script generate some output? IMO $a is set
and isset() should return true.
* Andrei Zmievski wrote:
?php
$a = NULL;
if (isset($a)) { print "ok, du hast recht"; }
?
Shouldn't this script generate some output? IMO $a is set
and isset() should return true.
NULL == not set
Great analysis. What about answering the question? Stanislav Malyshev
said some months ago
On Tue, 06 Feb 2001, Bjoern Hoehrmann wrote:
NULL == not set
Great analysis. What about answering the question? Stanislav Malyshev
said some months ago this is 'strange', see the discussion around bug
6076. Tell us at least, why this actually isn't strange.
By default, any unset variable
On Tue, 6 Feb 2001 13:43:29 -0600, Andrei Zmievski wrote:
On Tue, 06 Feb 2001, Bjoern Hoehrmann wrote:
NULL == not set
Great analysis. What about answering the question? Stanislav Malyshev
said some months ago this is 'strange', see the discussion around bug
6076. Tell us at least, why this
these by.
Chris
-Original Message-
From: Martin Jansen [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, February 06, 2001 2:19 PM
To: Andrei Zmievski; Bjoern Hoehrmann
Cc: PHP Development Mailing List
Subject: Re: [PHP-DEV] wrong implementation of isset()?
On Tue, 6 Feb 2001 13:43:29 -0600, Andrei Zmievski
"Mark J. Hershenson" wrote:
Great analysis. What about answering the question? Stanislav Malyshev
said some months ago this is 'strange', see the discussion around bug
6076. Tell us at least, why this actually isn't strange.
By default, any unset variable has value NULL - and isset(NULL)
On Wed, 7 Feb 2001, [ISO-8859-1] André Langhorst wrote:
we should just define (and document) this similar to Andrei (note, I do
not use the word "the same" I use that word equal, what means different
things):
NULL equals absence_of_value equals absence_of_variable_in_namespace
I
Andr Langhorst wrote:
Perhaps, in order to maintain compatibility, we should re-document is_set,
create the documentation for is_null, and look into creating a new function
that will determine if something has "ever been inside the namespace", regardless
of its current value, or absence
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