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Parse brackets in the URL string

Posted on 2011-02-28
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Last Modified: 2012-05-11
Hi,

I was trying to figure out how to parse brackets in the URL string. I have a javascript program that serializes my data and passes the following URL string to my coldfusion page

http://hsecfs1/developmentdmz/mctr/sortAjax.cfm?item[]=1&item[]=2&item[]=3

Unfortunatley, I can't figure out how to pull the data.

<cfoutput>#url.item[]#</cfoutput> doesn't seem to work. Any advice would be appreciated. Thank you!
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Question by:jsimonuchc
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Assisted Solution

by:dagaz_de
dagaz_de earned 100 total points
ID: 34998797
can you leave the brackets away, i think it wont work with brackets. Without you will get a comma separated list. Then you can loop over the list to get the values....

?item=1&item=2&item=3

then
<cfoutput>#url.item#</cfoutput>

<cfloop list="#url.item#" index="i">

     <!--- Do something with i --->
    <cfoutput>#i#</cfoutput>
<cfloop>
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Expert Comment

by:dagaz_de
ID: 34998808
Sorry the cfloop was not closed correct:

<cfoutput>#url.item#</cfoutput>

<cfloop list="#url.item#" index="i">

     <!--- Do something with i --->
    <cfoutput>#i#</cfoutput>
</cfloop>
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Author Comment

by:jsimonuchc
ID: 34998830
No, I cannot remove the brackets (or I haven't figured out how to do it yet).
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Accepted Solution

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gdemaria earned 400 total points
ID: 34998843
wow, that's unique.

How about  <cfset theValue = url["item[]"]>

You could also dump the url to see what's in there

<cfdump var="#url#">


The result, if you can read it, is a comma delimited list of values in one variable:  1,2,3  because the same name is used in each.
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Author Comment

by:jsimonuchc
ID: 34998861
CFDUMP shows me a struct with the following contents:

ITEM[]       1,2,3
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Author Comment

by:jsimonuchc
ID: 34998869
Awesome,  <cfset theValue = url["item[]"]> seems to work.
It gives me the values in a comma separated list.
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Expert Comment

by:gdemaria
ID: 34998885

perfect, glad it works
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Expert Comment

by:dagaz_de
ID: 34998988
now you can loop over the list like i told you....

<cfset theValue = url["item[]"]>

<cfloop list="#theValue#" index="i">

     <!--- Do something with i --->
    <cfoutput>#i#</cfoutput>
</cfloop>
      
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