CFLib.org – CFParam

CFParam(varname [, value])

Last updated November 13, 2001

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author

Fred T. Sanders
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Version: 2 | Requires: ColdFusion 5 | Library: UtilityLib

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Description:
Allows you to cfparam variables from within cfscript.

Return Values:
Returns the value of the variable parammed.

Example:

<CFSET X = 1>
<CFSCRIPT>
cfparam("x","fred");
cfparam("y",2);
</CFSCRIPT>
<CFOUTPUT>
X=#X#, Y=#Y#
</CFOUTPUT>

Parameters:

Name	Description	Required
varname	The name of the variable.	Yes
value	The default value. If not passed, use	No

Full UDF Source:

	
	<cfscript>
/**
 * Function to duplicate the <cfparam> tag within CFSCRIPT.
 * Rewritten by RCamden
 * V2 mods by John Farrar
 * 
 * @param varname      The name of the variable. 
 * @param value      The default value. If not passed, use  
 * @return Returns the value of the variable parammed. 
 * @author Fred T. Sanders (fred@fredsanders.com) 
 * @version 2, November 13, 2001 
 */
function cfparam(varname) {
    var value = "";
    
    if(arrayLen(Arguments) gt 1) value = Arguments[2];
    if(not isDefined(varname)) setVariable(varname,value);
        return evaluate(varname);
}
</cfscript>