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ArraySet
Last update:
May 18, 2026
Description
In a one-dimensional array, sets the elements in a specified index range to a value. Useful for initializing an array after a call to ArrayNew.
Returns
Returns the updated array.
Category
Function syntax
ArraySet(array, start_pos, end_pos, value) |
See also
ArrayNew; Populating arrays with data in the Developing ColdFusion Applications
History
ColdFusion (2018 release): Returns the updated array.
ColdFusion MX: Changed behavior: This function can be used on XML objects.
Parameters
Parameter | Description |
array | Name of an array. |
start_pos | Starting index position of range to set. |
end_pos | Ending index position of range to set. If this value is greater than array length, ColdFusion adds elements to array. |
value | Value to which to set each element in the range. |
Example
<cfscript>
myArray=ArrayNew(1)
temp = ArraySet(myArray, 1,6, "Initial Value")
writeDump(myArray)
// Set some values
myArray[1] = "Sample Value"
myArray[3] = "43"
myArray[6] = "Another Value"
writeOutput("Updated array")
writeDump(myArray)
</cfscript>Output
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