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Date: Mon, 19 Aug 2002 18:28:42 +0100
From: Dave Wilson <dave.wilson@heanet.ie>
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To: webdev@linux.ie
Subject: Re: [Webdev] PHP+Javascript request
References: <5.1.0.14.0.20020819181835.00ac0eb8@holly.csn.ul.ie>
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> er, i understood you until you reached the above. Maybe its my lack of 
> PHP but why would a variable name _need_ to end with [] ?
> 
> With most languages you parse the submitted form data and should come 
> out with either variables or an array / hash, which you then work with 
> and name whatever you like.

IIRC, if the query string contains

varname=FIRST&varname=SECOND

then PHP will create a variable called "varname" with result SECOND. 
However, if the query string contains

varname[]=FIRST&varname[]=SECOND

then PHP will create an array with varname[1]==FIRST and varname[2]==SECOND

There are other ways to get the data from the HTTP request, and I guess 
I'll do that if it turns out to simplify the script that creates the 
form; but as i understand it that's the "official" way to get data from 
a SELECT MULTIPLE using PHP.

Dave


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