Railo 4.2 Reference
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Function LISTLEN

Determines the number of elements in a list.


listlen(string list,[string delimiters,[boolean includeEmptyFields]]):number


The arguments for this function are set. You can not use other arguments except the following ones.
Name Type Required Description
list string  Yes a string list  
delimiters string  No Characters that separate list elements. The default value is comma.  
includeEmptyFields boolean  No if set to true, empty values are included as well