$endeinh = strpos($field[$i], '"', $begineinh); //echo $endeinh.'<br>'; $einheit = substr($field[$i], $begineinh, $endeinh - $begineinh); //echo $einheit.'<br>'; $sql_query = "SELECT * FROM einheit WHERE kurzbz='{$einheit}'"; $result = $db->db_query($sql_query); $rows = $db->db_num_rows($result); if ($rows == 0) { $result_ins = $db->db_query("INSERT INTO einheit (kurzbz) VALUES ('{$einheit}')"); if (!$result_ins) { error($db->db_last_error()); } $sql_query = "SELECT * FROM einheit WHERE kurzbz='{$einheit}'"; $result = $db->db_query($sql_query); } $row = $db->_fetch_object($result, 0); $einheit_id = $row->id; $sql_query = "SELECT * FROM student WHERE uid='{$uid}'"; //echo $sql_query.'<BR>'; $result = $db->db_query($sql_query); if (!$result) { error($db->db_last_error()); } $rows = $db->db_num_rows($result); if ($rows == 0) { die("Student {$uid} not found!"); } $row = $db->db_fetch_object($result, 0); $student_id = $row->id; $sql_query = "SELECT * FROM einheitstudent WHERE einheit_id={$einheit_id} AND student_id={$student_id}"; $rows = 0;