function makeRoster($code, $course_count = false, $name_count = false)
{
global $names, $courses;
$MT = new Mersenne_Twister($code);
$retval = array();
$cc = 0;
foreach ($courses as $k => $course) {
$cc = $cc + 1;
if ($course_count && $cc > $course_count) {
break;
}
$new = $MT->shuffle($names);
$new = array_slice($new, 0, $MT->getNext(17, 53));
$inst = 1;
$nc = 0;
foreach ($new as $k2 => $name) {
$nc = $nc + 1;
if ($name_count && $nc > $name_count) {
break;
}
$retval[] = array($name, $course, $inst);
$inst = 0;
}
}
return $retval;
}
function getRandomNumbers($code, $count = 400, $max = 10000)
{
$retval = array();
$MT = new Mersenne_Twister($code);
for ($i = 0; $i < $count; $i++) {
$retval[] = $MT->getNext(1, $max);
}
return $retval;
}
function makeRoster($code)
{
global $names, $courses;
$MT = new Mersenne_Twister($code);
$retval = array();
foreach ($courses as $k => $course) {
$new = $MT->shuffle($names);
$new = array_slice($new, 0, $MT->getNext(17, 53));
$inst = 1;
foreach ($new as $k2 => $name) {
$retval[] = array($name, $course, $inst);
$inst = 0;
}
}
return $retval;
}
<?php
use Tsugi\Core\LTIX;
use Tsugi\Util\LTI;
use Tsugi\Util\Net;
use Tsugi\Util\Mersenne_Twister;
$sanity = array('urllib' => 'You should use urllib to retrieve the data from the API', 'urlencode' => 'You should use urlencode add parameters to the API url', 'json' => 'You should use the json library to parse the API data');
// Compute the stuff for the output
$code = 42;
$MT = new Mersenne_Twister($code);
$sample = $MT->shuffle($LOCATIONS);
$sample_location = $sample[0];
$code = $USER->id + $LINK->id + $CONTEXT->id;
$MT = new Mersenne_Twister($code);
$actual = $MT->shuffle($LOCATIONS);
$actual_location = $actual[0];
// Retrieve the data
$url = curPageUrl();
$api_url = str_replace('index.php', 'data/geojson', $url);
$google_api = 'http://maps.googleapis.com/maps/api/geocode/json?sensor=false&address=University+of+Michigan';
$sample_url = $api_url . '?sensor=false&address=' . urlencode($sample_location);
$actual_url = $api_url . '?sensor=false&address=' . urlencode($actual_location);
$sample_data = Net::doGet($sample_url);
$sample_count = strlen($sample_data);
$response = Net::getLastHttpResponse();
$sample_json = json_decode($sample_data);
if ($response != 200 || $sample_json == null || !isset($sample_json->results[0])) {
error_log("DIE: Sample response={$response} url={$sample_url} json_error=" . json_last_error_msg());
die("Sample response={$response} url={$sample_url} json_error=" . json_last_error_msg());
}
// echo("<pre>\n");echo(jsonIndent(json_encode($sample_json)));echo("</pre>\n");
<?php
use Tsugi\Core\LTIX;
use Tsugi\Util\LTI;
use Tsugi\Util\Mersenne_Twister;
require_once "names.php";
// Compute the stuff for the output
$code = $USER->id + $LINK->id + $CONTEXT->id;
$MT = new Mersenne_Twister($code);
$my_names = array();
$my_age = array();
$howmany = $MT->getNext(4, 6);
for ($i = 0; $i < $howmany; $i++) {
$name = $names[$MT->getNext(0, count($names))];
$age = $MT->getNext(13, 40);
$sha = sha1($name . $age);
$database[] = array($sha, $name, $age);
}
$sorted = $database;
sort($sorted);
$goodsha = $sorted[0][0];
$oldgrade = $RESULT->grade;
if (isset($_POST['sha1'])) {
if ($_POST['sha1'] != $goodsha) {
$_SESSION['error'] = "Your code did not match";
header('Location: ' . addSession('index.php'));
return;
}
$gradetosend = 1.0;
$scorestr = "Your answer is correct, score saved.";
if ($dueDate->penalty > 0) {
if (strpos($local_path, "regex_sum_") === 0 && strpos($local_path, ".txt") !== false) {
header('Content-Type: text/plain');
$code = 42;
$pieces = preg_split('/[_.]/', $local_path);
if (count($pieces) == 4 && $pieces[2] + 0 > 0) {
$code = $pieces[2] + 0;
}
if ($code == 42) {
echo "This file contains the sample data\n\n";
} else {
echo "This file contains the actual data for your assignment - good luck!\n\n";
}
$handle = fopen("../static/intro.txt", "r");
if ($handle) {
$count = 0;
$MT = new Mersenne_Twister($code);
// header('Content-Disposition: attachment; filename='.$local_path.';');
while (($line = fgets($handle)) !== false) {
$count++;
$choose = $count < 400 ? $MT->getNext(0, 9) : 1;
if ($choose != 0) {
echo $line;
continue;
}
$howmany = $MT->getNext(1, 3);
if ($howmany == 1) {
echo $MT->getNext(1, 10000) . ' ' . $line;
} else {
if ($howmany == 2) {
echo $MT->getNext(1, 10000) . ' ' . rtrim($line) . ' ' . $MT->getNext(1, 10000) . "\n";
} else {
function make_quiz($submit, $questions, $errors, $seed = -1)
{
$retval = array("status" => "failure", "errors" => $errors);
if (count($questions) < 1) {
$retval["message"] = "No questions found";
return $retval;
}
// Load the gift submission
$submit = isset($_SESSION['gift_submit']) ? $_SESSION['gift_submit'] : array();
$doscore = count($submit) > 0;
$retval['status'] = 'success';
$retval['scored'] = $doscore;
$safe = array();
$count = 1;
$cumulative_score = 0;
$cumulative_total = 0;
// Filter out questions for the user-visible stuff
foreach ($questions as $question) {
$nq = new stdClass();
if (!isset($question->question)) {
continue;
}
if (!isset($question->type)) {
continue;
}
if (!isset($question->code)) {
continue;
}
$nq->question = $question->question;
$nq->scored = $doscore;
$q_code = $question->code;
$nq->code = $q_code;
$t = $question->type;
$nq->type = $t;
if (isset($question->name)) {
$nq->name = $question->name;
}
if ($t == 'short_answer_question') {
if (isset($submit[$q_code])) {
$nq->value = $submit[$q_code];
}
}
// Because Handlebars can't tell the difference between not set and false
if ($t == 'true_false_question') {
if (isset($submit[$q_code])) {
$nq->value_true = $submit[$q_code] == 'T';
$nq->value_false = $submit[$q_code] == 'F';
}
}
// Score the questions that don't have answers
$score = null;
$correct = null;
if ($doscore && $t == 'short_answer_question') {
if (isset($submit[$q_code])) {
$nq->value = $submit[$q_code];
foreach ($question->parsed_answer as $answer) {
$ans = preg_replace('/\\s+/', '', $answer[1]);
$sub = preg_replace('/\\s+/', '', $submit[$q_code]);
if (strcasecmp($sub, $ans) == 0) {
$score = 1;
$correct = true;
break;
}
}
}
if ($score === null) {
$score = 0;
$correct = false;
}
} else {
if ($doscore && $t == 'true_false_question') {
if (isset($submit[$q_code])) {
$ans = substr($question->answer, 0, 1);
$score = strtolower($submit[$q_code]) == strtolower($ans) ? 1 : 0;
$correct = $score == 1;
} else {
$score = 0;
$correct = false;
}
}
}
if ($t == 'multiple_choice_question' && isset($question->parsed_answer) && is_array($question->parsed_answer)) {
$answers = array();
$value = false;
if ($doscore) {
$score = 0;
$correct = false;
}
if (isset($submit[$q_code])) {
$value = $submit[$q_code];
$nq->value = $submit[$q_code];
}
foreach ($question->parsed_answer as $answer) {
$ans = new stdClass();
if (!is_array($answer)) {
continue;
}
if (count($answer) != 4) {
continue;
}
$expected = $answer[0];
// An actual boolean
$ans->text = $answer[1];
$a_code = $answer[3];
$ans->code = $a_code;
if ($value == $a_code) {
$ans->checked = true;
if ($doscore && $expected) {
$correct = true;
$score = 1;
}
}
$answers[] = $ans;
}
$mt = new Mersenne_Twister($seed);
$answers = $mt->shuffle($answers);
}
if ($t == 'multiple_answers_question' && isset($question->parsed_answer) && is_array($question->parsed_answer)) {
$answers = array();
$got = 0;
$need = 0;
$oneanswer = false;
foreach ($question->parsed_answer as $answer) {
$ans = new stdClass();
if (!is_array($answer)) {
continue;
}
if (count($answer) != 4) {
continue;
}
$ans->text = $answer[1];
$a_code = $answer[3];
$expected = $answer[0];
// An actual boolean
$oneanswer = $oneanswer || isset($submit[$a_code]);
$ans->checked = isset($submit[$a_code]);
$actual = isset($submit[$a_code]) ? ($submit[$a_code] == 'true') === $expected : false;
if ($actual === $expected) {
$got++;
}
$need++;
$ans->code = $a_code;
if ($doscore) {
$ans->correct = $actual == $expected;
}
$answers[] = $ans;
}
if ($doscore) {
$correct = $got == $need;
if ($correct || $oneanswer) {
$score = $correct + 0;
} else {
$score = 0;
}
}
$mt = new Mersenne_Twister($seed);
$nq->answers = $mt->shuffle($answers);
}
if ($correct !== null) {
$nq->correct = $correct;
}
if ($score !== null) {
$nq->score = $score;
$cumulative_score += $score;
$cumulative_total += 1;
// $nq->cumulative_total = $cumulative_total;
// $nq->cumulative_score = $cumulative_score;
}
$nq->count = $count;
$count++;
$safe[] = $nq;
}
$retval["questions"] = $safe;
$retval["submit"] = $submit;
if ($doscore) {
if ($cumulative_total == 0) {
$retval["score"] = 0;
} else {
$retval["score"] = $cumulative_score / $cumulative_total;
}
}
return $retval;
}
