FUDforum: comp.lang.php » Parameter passing question

Home » Imported messages » comp.lang.php » Parameter passing question

Show: Today's Messages :: Polls :: Message Navigator

Re: Parameter passing question [message #173553 is a reply to message #173551]

Mon, 18 April 2011 19:19

Denis McMahon
Messages: 634
Registered: September 2010

Karma:

Senior Member

On Mon, 18 Apr 2011 19:07:46 +0000, Unrest wrote:

> sidenote: isset evaluates to true only if the variable exists and is not
> null.

An empty string doesn't equate to null if you use the right comparison
operator!

("" === null) returns false

so, test if the variable is set, and if it is set, test for empty string

Rgds

Denis McMahon

Report message to a moderator

[Message index]

		Parameter passing question By: Chuck Lavin on Mon, 18 April 2011 17:03
		Re: Parameter passing question By: Denis McMahon on Mon, 18 April 2011 17:42
		Re: Parameter passing question By: Unrest on Mon, 18 April 2011 18:14
		Re: Parameter passing question By: Chuck Lavin on Mon, 18 April 2011 18:23
		Re: Parameter passing question By: Chuck Lavin on Mon, 18 April 2011 18:34
		Re: Parameter passing question By: Denis McMahon on Mon, 18 April 2011 19:04
		Re: Parameter passing question By: Chuck Lavin on Wed, 20 April 2011 06:49
		Re: Parameter passing question By: Unrest on Wed, 20 April 2011 09:28
		Re: Parameter passing question By: Thomas 'PointedEars' on Mon, 18 April 2011 18:28
		Re: Parameter passing question By: Unrest on Mon, 18 April 2011 18:45
		Re: Parameter passing question By: Curtis Dyer on Tue, 19 April 2011 03:28
		Re: Parameter passing question By: Chuck Lavin on Mon, 18 April 2011 18:20
		Re: Parameter passing question By: Denis McMahon on Mon, 18 April 2011 18:54
		Re: Parameter passing question By: Unrest on Mon, 18 April 2011 19:07
		Re: Parameter passing question By: Denis McMahon on Mon, 18 April 2011 19:19
		Re: Parameter passing question By: Unrest on Mon, 18 April 2011 19:40
		Re: Parameter passing question By: sheldonlg on Mon, 18 April 2011 19:11
		Re: Parameter passing question By: Denis McMahon on Mon, 18 April 2011 19:21
		Re: Parameter passing question By: Curtis Dyer on Tue, 19 April 2011 03:34

Previous Topic:	& - form and session problem!
Next Topic:	doctype not found?

Goto Forum:

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

]

Current Time: Fri Nov 29 08:36:18 GMT 2024

Total time taken to generate the page: 0.03562 seconds