The main one is regarding the parse_row() method and your regex patterns….
The pattern as you have it messes up geometry fields containing Polygons or Lines, which is due to the fact you’re separating everything based on commas with no regards to whether they’re contained inside double quotes or not.
So the trick is to only split the line on commas NOT inside of double quotes, so here’s the method with the corrected regex pattern:

    private function parse_row($row)
    {
        // Split the comma delimted row
        $cells = preg_split(“/,(?=(?:[^"]*”[^"]*”)*(?![^"]*”))/”, $row);
        // Loop over each column and remove ending double-quotes and white-space
        foreach( $cells as $k => $v )
            $cells[$k] = trim($v, ‘”‘);
           
        return $cells;
    }

Since we’re using a class, I further simplified it by making the GoogleClientLogin() function into an abstract class, avoiding the confusion of having to obtain a token, etc. and keeping it simple.

The derivative I made can be found at https://gist.github.com/1280261.

I hope that helps and thanks again!

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The survey will not take more than 5 minutes and it closes on 05/08.

As a gratitude for your help, I will raffle for a $40 gift certificate
to your favorite online store (Amazon/iTunes/Gilt and etc).

Here is the link for the survey:
http://spreadsheets.google.com/viewform?hl=en&f…

Thank you,
Jonathan