// TODO
// 4. possibly remove help page
$semester = urlencode($_GET["semester"]);
if(strlen($semester) > 6) die();
if (! $semester){
echo "
ERRORsemester parameter required
";
exit();
}
/*
elseif (! preg_match('/(spr|sum|fall)\d\d/',$semester) ){
echo "ERRORsemester parameter $semester malformed
";
exit();
*/
else {
if ($semester == "latest"){
$semester = readlink("/home/ibl/secure_html/JSON/$semester");
preg_match('/(spr|sum|fall)(\d\d)\.js$/',$semester,$matches);
$semester = $matches[1] . $matches[2];
}
if (! preg_match('/(spr|sum|fall)(\d\d)/',$semester,$matches) ){
echo htmlspecialchars("ERRORsemester parameter malformed