CFLib.org – Common Function Library Project

Description:
Pass it any CF variable, it returns a boolean value to tell you if it is a CFC instance.

Return Values:
Returns a boolean.

Example:

<cfscript>
    cfc = createObject("component","cflib.udf");
    str = createObject("java","java.lang.String");
</cfscript>

<cfoutput>
    isCFC(cfc) = #isCFC(cfc)#<br>
    isCFC(str) = #isCFC(str)#<br>
    isCFC(structNew()) = #isCFC(structNew())#<br>
</cfoutput>

Parameters:

Full UDF Source:

/**
 * Returns a boolean for whether a CF variable is a CFC instance.
 * 
 * @param objectToCheck      The object to check. (Required)
 * @return Returns a boolean. 
 * @author Nathan Dintenfass (nathan@changemedia.com) 
 * @version 1, October 16, 2002 
 */
function IsCFC(objectToCheck){
    //get the meta data of the object we're inspecting
    var metaData = getMetaData(arguments.objectToCheck);
    //if it's an object, let's try getting the meta Data
    if(isObject(arguments.objectToCheck)){
        //if it has a type, and that type is "component", then it's a component
        if(structKeyExists(metaData,"type") AND metaData.type is "component"){
            return true;
        }
    }    
    //if we've gotten here, it must not have been a contentObject            
    return false;        
}