function checkInsertCourse($subject_name, $course_number, $course_title)
{
$subject_name = fixSubjectName($subject_name);
$course_number = fixSubjectName($course_number);
$course_title = fixTitleCase($course_title);
if (!subjectExists($subject_name)) {
return "Invalid SubjectName; does not exist.";
}
insertCourse($subject_name, $course_number, $course_title);
return true;
# could use some more work
}
function checkContactUs($email, $name, $subject, $comments)
{
$email = fixEmail($email);
if (!isValidEmail($email)) {
return INVALID_EMAIL_ERR;
}
$name = fixName($name);
if (!isValidName($name)) {
return INVALID_NAME_ERR;
}
$subject = fixTitleCase($subject);
global $CONTACT_US_SUBJECTS;
if (!in_array($subject, $CONTACT_US_SUBJECTS)) {
return INVALID_CONTACT_US_SUBJECT;
}
$comments = trim($comments);
if ($comments === "") {
return INVALID_COMMENTS_ERR;
}
return sendContactUsEmail($email, $name, $subject, $comments);
}