Description: ------------ Dear, The getRow method with placeholder occurs PHP warning and does not return correct result. As far as checked, the value of "result" and "statement" property in DB_result object is updated from "(oci8 statement)" to "(Unknown)" after $this->freePrepared in common.php on line 1350 to be executed. Please check it. Thank you and best regards, Test script: --------------- <?php $dsn = 'please set'; $conn = DB::connect($dsn); if (DB::isError($conn)) { echo "connection failed" . PHP_EOL; exit; } $sql = 'SELECT id FROM xxx_tbl WHERE user_hash = ?'; $params = ['1234567890']; $row = $conn->getRow($sql, $params); var_dump($row); $conn->disconnect(); exit; Expected result: ---------------- the first row's data in an array Actual result: -------------- I got the following PHP warning PHP Warning: ocifetchinto(): 20 is not a valid oci8 statement resource in /home/blueblood/vendor/pear-pear.php.net/DB/DB/oci8.php on line 397