ConnectPHP run report filter with between operator

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Created this topic in the Connect Data Services, but didn't receive any response; hopefully, someone here would know the answer to this question.

I have a report with a filter for incidents created. I want to know how to query the report using the incidents created filter such that I can query the report for all incidents created between two datetimes.

I know how to run a ROQL query for  this information as well as how to pass query information into a filter, just not sure how to pass in a date range into the filter to run the report. I pseudo coded it below, just need to know how to do pass in the values and set the operator to 'between'.