Railo 4.2 Reference
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Object Method String.listReduce

Iterates over every entry of the given array and calls the closure with every element.
      This function will reduce the array to a single value and will return the value.
String.listReduce(function closure,[object initalValue,[string delimiter,[boolean includeEmptyFields,[boolean multiCharacterDelimiter]]]]):any


Die Argumente für diese Funktion sind fest vorgegeben. Ausser den nachfolgenden Argumenten dürfen keine weiteren verwendet werden.
Name Typ Required Beschreibung
closure function  Yes function/closure that implements the following constructor [function(any result, object value, numeric index , string list, string delimiter):any].
initalValue object  No inital value passed as part of the first closure call
delimiter string  No delimiter used to separate the string list
includeEmptyFields boolean  No include empty fields or not
multiCharacterDelimiter boolean  No specifying whether the delimiters parameter specifies a multi-character delimiter. If this parameter is true, the delimiters parameter must specify a single delimiter consisting of multiple characters. This parameter enables the ListToArray function to convert a list such as the following to an array of color names: red:|orange:|yellow:|green:|blue:|indigo:|violet.