array_multisort9

function array_multisort9(
  inout mixed $arg1,
  inout mixed $arg2,
  inout mixed $arg3,
  inout mixed $arg4,
  inout mixed $arg5,
  inout mixed $arg6,
  inout mixed $arg7,
  inout mixed $arg8,
  inout mixed $arg9,
): bool;