
Originally Posted by
alan_powerbrixx
It looks to be a matter of the require_once coming before the require, so both are executed. If you look up require_once in the php on-line manual, and read the thread of replies posted to that page, there is a post clarifying the sequence: require followed by require_once will include the file the first time only, but require_once followed by require will include the file both times. That's why the require in the shipping estimator would need to be fixed in some way, instead of the one in the googlecheckout mod.
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