Pchp.Library.PhpMath.FindExtreme C# (CSharp) Method

        internal static PhpValue FindExtreme(IEnumerable<PhpValue> array, bool maximum)
        {
            Debug.Assert(array != null);

            PhpValue ex;

            var enumerator = array.GetEnumerator();
            if (enumerator.MoveNext())
            {
                ex = enumerator.Current;

                int fact = maximum ? 1 : -1;

                while (enumerator.MoveNext())
                {
                    if (Comparison.Compare(enumerator.Current, ex) * fact > 0)
                    {
                        ex = enumerator.Current;
                    }
                }
            }
            else
            {
                ex = PhpValue.Void;
            }

            enumerator.Dispose();

            //
            return ex;
        }