Specifies variable arguments in an SPL routine.
ARGV
Nothing.
ARGV in the argument list of an SPL routine specifies a variable number of input arguments. The above routine returns the maximum of two or more expressions.
ARGC returns the total number of input arguments and GETARGV obtains a particular variable argument.
ARGV can be used in combination with specified arguments. For example:
Creates a function that accepts 3 specified arguments and any number of variable arguments.