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Re: Parameter passing question [message #173556 is a reply to message #173553]

Mon, 18 April 2011 19:40

Unrest
Messages: 10
Registered: April 2011

Karma:

Junior Member

Am Mon, 18 Apr 2011 19:19:11 +0000 schrieb Denis McMahon:

> 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

SORRY ("big sorry"). Been a bit distracted when posting that.
You are, of course, right.

Michael

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[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

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