Iterates over every entry of the collection and calls the closure with every element.
This function will reduce the array to a single value and will return the value.
Lucee Function Reference
collectionreduce()
Example
collectionreduce(object collection,function closure,[object initialValue]):any
Category
iterator
Arguments
The arguments for this function are set. You can not use other arguments except the following ones.
| Name | Type | Required | Description |
|---|---|---|---|
| collection | object | Yes | collection to iterate |
| closure | function | Yes | function/closure that implements the following constructor [function(... depending on the given collection ...):any]. |
| initialValue | object | No | inital value passed as part of the first closure call |