Set Date Range in gapi class for analytics

I am working on a function that gets data from the Google Analytics API. For parsing and reading this data, I am using the GAPI class from here. GAPI from Google Code

How c开发者_运维百科an I set a timerange there?

You need to populate the $start_date and $end_date fields

See here: [1]: http://code.google.com/p/gapi-google-analytics-php-interface/wiki/GAPIDocumentation