How to get number of arguments that were passed to a function ?

[rsk82 0]

Like for example

func_num_args()

in php.

[Shaggi 25]

@numparams

[water 1,847]

According to the help file when searching for "func":

Inside the function, the number of parameters given when the function was called can be retrieved with the @NUMPARAMS macro (see example 2).