ArrayLen

Description

Determines the number of elements in an array.

Returns

The number of elements in an array.

Category

Array functions

Function syntax

ArrayLen(array)

See also

ArrayIsEmpty; Functions for XML object management in the Developing ColdFusion Applications

History

ColdFusion MX: Changed behavior: This function can be used on child XML objects.

Parameters

Example

<h3>ArrayLen Example</h3> 
<cfquery name = "GetEmployeeNames" datasource = "cfdocexamples"> 
    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> 
    <p>#myList#</p> 
    <p>This array has #ArrayLen(MyArray)# elements.</p> 
</cfoutput>