Converting PHP arrays to a C# Dictionary

class PHPArrayParser
    {
        public Dictionary<string, object> Parse(string array)
        {
            Dictionary<string, object> result = new Dictionary<string, object>();
            array = GetRidOfArrayAndBrackets(array);
            while (!IsStringWhiteSpace(array))
            {
                int indexOfAssignment = array.IndexOf("=>");
                string leftPart = array.Substring(0, indexOfAssignment);
                //currentPosition += indexOfAssignment + 2; //now we should be at the next symbol after =>
                leftPart = leftPart.Trim().Trim('\'');
                string rightPart = array.Substring(indexOfAssignment + 2).Trim();
                //check if it's an array
                if (rightPart.Substring(0, 5).ToLower() == "array")
                {
                    //extract the array and pass it recursively to the same function for parsing
                    string extractedArray = GetArrayFromString(rightPart);
                    result.Add(leftPart, Parse(extractedArray));
                    //get rid of the added content 
                    array = array.Replace(array.Substring(0, array.IndexOf(extractedArray) + extractedArray.Length + 1), "");

                }
                else
                {
                    bool quotesInRightSide = false;
                    if ((rightPart.IndexOf('\'') < rightPart.IndexOf(',')) && rightPart.IndexOf('\'') != -1)
                    {
                        quotesInRightSide = true;
                    }
                    string value = "";
                    if (quotesInRightSide)
                    {
                        int indexOfFirstQuote = rightPart.IndexOf('\'');
                        rightPart = rightPart.Remove(0, 1);//TrimStart('\'');
                        int indexOfSecondQuote = rightPart.IndexOf('\'');
                        value = rightPart.Substring(indexOfFirstQuote, indexOfSecondQuote - indexOfFirstQuote + 2).TrimEnd(',').TrimEnd('\'');
                        //get rid of the added content
                        if (value != "")
                            array = array.Replace(array.Substring(0, array.IndexOf(value) + value.Length + 2), "");
                        else
                            array = array.Replace(array.Substring(0, array.IndexOf(',') + 1), "");
                    }
                    else
                    {
                        value = rightPart.Substring(0, rightPart.IndexOf(','));
                        //get rid of the added content
                        array = array.Replace(array.Substring(0, array.IndexOf(value) + value.Length + 2), "");
                    }
                    result.Add(leftPart, value);
                }
            }

            return result;
        }
        private string GetRidOfArrayAndBrackets(string array)
        {
            //this gets rid of the word array and surronding brackets
            int openBrace = array.IndexOf('(');
            int closeBrace = array.LastIndexOf(')');
            array = array.Substring(openBrace + 1, closeBrace - openBrace - 1);
            return array;
        }
        private string GetArrayFromString(string leftPart)
        {
            //the passed string always starts with 'array (' and we need to determine where the closing bracket is.
            //remember, there may be numerous arrays within arrays
            string result = "";
            int counter = 0;
            bool counterEnabled = false; //can't bale out without even entering the brackets
            foreach (char c in leftPart)
            {
                if (c == '(')
                {
                    counter++;
                    counterEnabled = true;
                }
                if (c == ')')
                    counter--;
                result += c;
                if (counter == 0 && counterEnabled)
                    break;
            }
            return result;
        }
        private bool IsStringWhiteSpace(string str)
        {
            foreach (char c in str)
                if (!char.IsWhiteSpace(c))
                    return false;
            return true;
        }
    }