exports.reduce = function(arr, fn, val) {
  var rval = val;

  for (var i = 0, l = arr.length; i < l; i++) {
    rval = fn(rval, arr[i], i, arr);
  }

  return rval;
};
The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.