Determines the number of elements in an array.
The number of elements in an array.
ArrayLen(array)
New in ColdFusion MX: this function can be used on child XML objects.
Parameter | Description |
---|---|
array |
Name of an array |
<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>