TechNote

Multiple Variable Assignments and Local Scope

Issue

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In the code given below multiple variable assignment is done in var (local scope) but when variables scope is dumped you can see the second and third variables which are in var scope which is wrong.

 

<cfscript>

    Any function test() {

        value = "Tom";

        var hero=villian=comedian=value;

        return hero;

    }

</cfscript>

<cfoutput>#test()#</cfoutput>

<cfdump var="#variables#">

 

Reason

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When a multiple variable assignment is done it considers only the first one in local scope and not the others.

Solution

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Here the villan and comedian can be seen in variables scope.  Instead, declare and assign each variable individually using var.

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