How can you define a function that allows a variable number of parameters in PHP$?$

How can you define a function that allows a variable number of parameters in PHP$?$

You can only have a set number of arguments in PHP functions.

Leave the parameter list $($in parenthesis$)$ blank and use func$\_$get$\_$args$()$ within the function to get the arguments.

You can use the special @$\_$ array inside of the function.

You can use the $$\_$FUNCARGS superglobal