Description: ------------ given $mdb2 is a valid mysqli connection : $data = $mdb2->queryAll('CALL test.MyStoredProc()'); $data = $mdb2->queryAll('SELECT * FROM test.MyTable'); the second statement get "out of sync" error this is a know problem see http://amountaintop.com/php-5-and-mysql-5-stored-procedures-error-and-solution-qcodo http://www.rooftopsolutions.nl/tag/mysqli This is because a stored proc in mysql 5+ can return multiple resultset. To solve this change line 3358 of MDB2.php file from : $result->free(); to: while($result->nextResult()) $result->free(); TODO : check others place in the code to correct. Test script: --------------- $data = $mdb2->queryAll('CALL test.MyStoredProc()'); $data = $mdb2->queryAll('SELECT * FROM test.MyTable');

The code in SVN should fix this issue. Please reopen this report if you still experience the bug.