// create groups and assign students
foreach ($teams as $n4 => $t4) {
$ROLE = $r;
$TEAM = $n4;
$s = create_group($teacher_code, $TEAM);
if (is_string($s)) {
err("Failed to create group \"{$TEAM}\" - {$s}");
} else {
$gid = $s;
//$rcodes = array("sd", "mm", "nh", "sb", );
$rnums = array(3, 4, 5, 6);
for ($j = 0; $j < count($rcodes); $j++) {
if (isset($t4[$rcodes[$j]])) {
$l = $t4[$rcodes[$j]];
$id = create_student($teacher_code, $l[0], $l[1], $l[4], $l[5]);
assignStudentToGroupAndClass($id, $gid, $rnums[$j]);
}
}
}
}
}
header("Location: groups.php");
} else {
?>
<div style="border: solid 2px green; text-align: center; padding: 10px; background-color: #efe;">
<b>Congratulations!</b><br>
No errors were detected.
<p>
<b> BUT WAIT! YOU'RE NOT DONE!</b>
Your input looks satisfactory,but you still have to <br>
confirm that you want to create the student records as <br>
function bumpStudentClass($sid, $n)
{
// get the student's group id
$group_id = gidFromSid($sid);
assert($group_id != 0);
//dbg("group_id=$group_id");
// get his current (old) class
$oldclass = classForStudent($sid);
assert($oldclass != 0);
//dbg("oldclass=$oldclass");
// compute his desired (new) class
$newclass = $oldclass + $n;
// wrap if necessary
if ($newclass < 3) {
$newclass = 6;
}
if ($newclass > 6) {
$newclass = 3;
}
//dbg("newclass=$newclass");
// get id of student (if any) that already has the desired class
$othersid = sidFromGidAndClass($group_id, $newclass);
//dbg("othersid=$othersid");
// remove both students from group entirely
if ($othersid != 0) {
rmStudentFromGroup($othersid);
}
rmStudentFromGroup($sid);
// re-add students using swapped class numbers
assignStudentToGroupAndClass($sid, $group_id, $newclass);
if ($othersid != 0) {
assignStudentToGroupAndClass($othersid, $group_id, $oldclass);
}
}