$index[$t] = $i;
$i = $i + 1;
}
if (!isset($index[$term])) {
// check if this is a valid term
print ' EXIT - term is not valid.';
exitParameterError($term);
}
print ' Term valid.<br>';
// find the tables
$evaluationsTable = 'Evaluations' . $term;
//print " Evaluations from $evaluationsTable.<br>";
$assignmentsTable = 'Assignments' . $term;
//print " Assignments from $assignmentsTable.<br>";
// find teacher and TA
$teachers = findTeacherNames($link);
if (!isset($teachers[$teacherEmail])) {
// check if this is a valid teacher (Faculties table)
print ' EXIT - teacher email is not valid.';
exitParameterError($teacherMail);
}
print ' Teacher valid.<br>';
$tas = findTaNames($link, $assignmentsTable);
if (!isset($tas[$taEmail])) {
print ' EXIT - ta email is not valid.';
exitParameterError($taMail);
}
print ' TA valid.<br>';
// test whether evaluation is valid
if ($teacherEmail != "" && $taEmail != "" && $evaluation != "") {
print '<p>Evaluation is valid.<br>';
function findTeacherName($link, $email)
{
$names = findTeacherNames($link);
return $names[$email];
}