ArrayLen |
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Description
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Determines the number of elements in an array.
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Returns
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The number of elements in an array.
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Category
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Array functions
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Function syntax |
ArrayLen(array)
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See also
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ArrayIsEmpty
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History
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ColdFusion MX: Changed behavior: this function can be used on child XML objects.
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Parameters
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Parameter |
Description |
array |
Name of an array |
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Example<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>
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