Contents > CFML Reference > ColdFusion Functions > DeleteClientVariable

DeleteClientVariable

Deletes a client variable. (To test for the existence of a variable, use IsDefined.)

True, if the variable is successfully deleted; false, otherwise.

Other functions

DeleteClientVariable("name")

GetClientVariablesList

ColdFusion MX: Changed behavior: if the variable is not present, this function now returns False. (In earlier releases, it threw an error.)

<!--- This view-only example shows DeleteClientVariable --->
<h3>DeleteClientVariable Example</h3>

<p>This view-only example deletes a client variable called "User_ID", if it 
   exists in the list of client variables returned by GetClientVariablesList.
<p>This example requires the existence of an Application.cfm file and client
   management to be in effect.
<!--- 
<cfset client.somevar = "">
<cfset client.user_id = "">
<p>Client variable list:<cfoutput>#GetClientVariablesList()#</cfoutput>
<cfif ListFindNoCase(GetClientVariablesList(), "User_ID") is not 0>

      <cfset temp = DeleteClientVariable("User_ID")>
      <p>Was variable "User_ID" Deleted? <cfoutput>#temp#</cfoutput>
</cfif>
<p>Amended Client variable list:<cfoutput>#GetClientVariablesList()#
</cfoutput>
--->

Contents > CFML Reference > ColdFusion Functions > DeleteClientVariable

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