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Joern Krueger (jkrueger@muenster.de)
Wed, 07 Apr 1999 07:49:01 +0200 

Message-ID: <370AF1CD.FDA010F7@muenster.de>
Date: Wed, 07 Apr 1999 07:49:01 +0200
From: Joern Krueger <jkrueger@muenster.de>
Subject: Arrays in Lite

Hello,

I use a html form with some checkbox fields with the
same name.

        <input type="checkbox" name="checkbox" value=42>
        <input type="checkbox" name="checkbox" value=43>
        <input type="checkbox" name="checkbox" value=44>

After submitting the form I check the variables with
this lite code:

        $i=0;
        
        while(# $checkbox[$i] != "")
        {
                script($checkbox[$i]);
                $i++;
        }

This works, if two checkboxes where marked, but if only
one checkbox is marked the value, 42 i.e. is splitted into
4 and 2.

Can someone help me? 

-- 
Bye, Joern
From bambi@Hughes.com.au  Wed Apr  7 02:51:14 1999
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Date: Wed, 7 Apr 1999 16:51:10 +1000 (EST)
From: "David J. Hughes" <bambi@Hughes.com.au>
To: Joern Krueger <jkrueger@muenster.de>
cc: Multiple recipients of list <msql-list@services.bunyip.com>
Subject: Re: Arrays in Lite
In-Reply-To: <370AF1CD.FDA010F7@muenster.de>
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On Wed, 7 Apr 1999, Joern Krueger wrote:

> After submitting the form I check the variables with
> this lite code:
> 
> 	$i=0;
> 	
> 	while(# $checkbox[$i] != "")
> 	{
> 		script($checkbox[$i]);
> 		$i++;
> 	}
> 
> This works, if two checkboxes where marked, but if only
> one checkbox is marked the value, 42 i.e. is splitted into
> 4 and 2.

If more than one box is checked then there are multiple values being
passed through to the LVM under the same name (i.e. $checkbox in this
case).  The LVM will create an array variable to hold the info.  If only
one value is passed through, then the LVM will create a text value rather
than an array because it hasn't been asked to store multiple values in the
same variable.  Using $checkbox[0] is returning the first character of a
string in this case.

You can determine the type of the $checkbox variable by calling

	typeof($checkbox);

if it isn't an array then you don't need to loop over it.

Bambi
...