$endeinh = strpos($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;
