CFLib.org – Common Function Library Project

Description:
Checks to see if a string is valid XML.

Return Values:
Returns a boolean.

Example:

<cfsavecontent variable="packet">
<foo></foo>
</cfsavecontent>

<cfoutput>
Is packet XML? #isXML(packet)#<br>
Is "jedi" a packet? #isXML("jedi")#
</cfoutput>

Parameters:

Full UDF Source:

<!---
 Checks to see if a string is valid XML.
 
 @param data      String to check. (Required)
 @return Returns a boolean. 
 @author Ben Forta (ben@forta.com) 
 @version 1, August 28, 2003 
--->
<cffunction name="isXML" returnType="boolean" output="no">
   <cfargument name="data" type="string" required="yes">

   <!--- try catch block --->
   <cftry>
      <!--- try to parse the data as xml --->
      <cfset xmlparse(data)>
      <!--- if xmlparse() fails, it is not xml --->
      <cfcatch type="any">
         <cfreturn false>
      </cfcatch>
   </cftry>

   <cfreturn true>
   
</cffunction>