CFLib.org – Common Function Library Project

Description:
Enhanced typeof() function with added checking for binary, custom function, and date values.

Return Values:
Returns a string.

Example:

<cfscript>
   function foo() { return; }
   foo2 = createDate( 2002, 4, 1 );
   foo3 = Tobinary( ToBase64( "foo" ) );
</cfscript>
<cfoutput>
   #typeof( foo )#<br>
   #typeof( foo2 )#<br>
   #typeof( foo3 )#<br>
</cfoutput>

Parameters:

Full UDF Source:

/**
 * Returns the type of the variable.
 * Made it cf5/mx compat with use of getFunctionList
 * 
 * @param x      The data to inspect. (Required)
 * @return Returns a string. 
 * @author Jordan Clark (JordanClark@Telus.net) 
 * @version 3, August 16, 2002 
 */
function TypeOf(x) {
   if(isArray(x)) return "array";
   if(isStruct(x)) return "structure";
   if(isQuery(x)) return "query";
   if(isSimpleValue(x) and isWddx(x)) return "wddx";
   if(isBinary(x)) return "binary";
   if(isCustomFunction(x)) return "custom function";
   if(isDate(x)) return "date";
   if(isNumeric(x)) return "numeric";
   if(isBoolean(x)) return "boolean";
   if( listFindNoCase( structKeyList( GetFunctionList() ), "isXMLDoc" ) AND
isXMLDoc(x)) return "xml";
   if(isSimpleValue(x)) return "string";
   return "unknown";  
}