ListLen

Description

Returns the number of elements in the list.

Syntax


ListLen(list [, delimiters ])

Parameters

Parameter

Description

list
A list

delimiters
Set of delimiters used in list

Parameter	Description
list	A list
delimiters	Set of delimiters used in list

Usage

Note

ColdFusion ignores empty list elements; thus, a list that is defined as "a,b,c,,,d" is treated as a four element list.

Example

<!--- This example shows ListGetAt and ListLen --->

<html>

<head>

<title>ListLen Example</title>

</head>

<body>

<H3>ListLen Example</H3>



<!--- Find a list of users who wrote messages --->

<cfquery name = "GetMessageUser" datasource = "cfsnippets">

SELECT Username, Subject, Posted

FROM  Messages

</cfquery>



<cfset temp = ValueList(GetMessageUser.Username)>

<!--- loop through the list and show it with ListGetAt --->

<H3>This is a list of usernames who have posted messages

<cfoutput>#ListLen(temp)#</cfoutput> users.</H3>



<UL>

<CFLOOP From = "1" TO = "#ListLen(temp)#" INDEX = "Counter">

  <cfoutput><LI>Username #Counter#: 

   #ListGetAt(temp, Counter)#</cfoutput>

</CFLOOP>

</UL>

</body>

</html>