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ColdFusion Functions


ArrayLen

Description

Returns the length of an array.

Category

Array functions

Syntax 

ArrayLen(array)

See also

ArrayIsEmpty

Parameters

Parameter
Description
array
 Name of an array whose length to return

Example 

<!--- This example shows ArrayLen --->
<html>
<head>
<title>ArrayLen Example</title>
</head>

<body>
<H3>ArrayLen Example</H3>

<cfquery name = "GetEmployeeNames" datasource = "cfsnippets">
SELECT FirstName, LastName FROM Employees
</cfquery>
<!--- create an array --->
<cfset myArray = ArrayNew(1)>
<!--- set element one to show where we are --->
<cfset myArray[1] = "Test Value">
<!--- loop through the query and append these names
successively to the last element --->
<CFLOOP query = "GetEmployeeNames">
  <cfset temp = ArrayAppend(myArray, "#FirstName# #LastName#")>
</CFLOOP>
<!--- show the resulting array as a list --->
<cfset myList = ArrayToList(myArray, ",")>
<!--- output the array as a list --->
<cfoutput>
  <P>The contents of the array are as follows:
  <P>#myList#
  <P>This array has #ArrayLen(MyArray)# elements.
</cfoutput>

</body>
</html>
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