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update.php
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update.php
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<?php
include_once 'dbConnection.php';
session_start();
$username = $_SESSION['username'];
if (isset($_SESSION['key'])) {
if (@$_GET['fdid'] && $_SESSION['key'] == '54585c506829293a2d4c3b68543b316e2e7a2d277858545a36362e5f39') {
$id = @$_GET['fdid'];
$result = mysqli_query($con, "DELETE FROM feedback WHERE id='$id' ") or die('Error');
header("location:dash.php?q=3");
}
}
if (isset($_SESSION['key'])) {
if (@$_GET['deidquiz'] && $_SESSION['key'] == '54585c506829293a2d4c3b68543b316e2e7a2d277858545a36362e5f39') {
$eid = @$_GET['deidquiz'];
$r1 = mysqli_query($con, "UPDATE quiz SET status='disabled' WHERE eid='$eid' ") or die('Error');
$q = mysqli_query($con, "SELECT * FROM history WHERE eid='$eid' AND status='ongoing' AND score_updated='false'");
while($row = mysqli_fetch_array($q)){
$user = $row['username'];
$s = $row['score'];
$r1 = mysqli_query($con, "UPDATE history SET status='finished',score_updated='true' WHERE eid='$eid' AND username='$user' ") or die('Error');
$q1 = mysqli_query($con, "SELECT * FROM rank WHERE username='$user'") or die('Error161');
$rowcount = mysqli_num_rows($q1);
if ($rowcount == 0) {
$q2 = mysqli_query($con, "INSERT INTO rank VALUES(NULL,'$user','$s',NOW())") or die('Error165');
} else {
while ($row = mysqli_fetch_array($q1)) {
$sun = $row['score'];
}
$sun = $s + $sun;
$q3 = mysqli_query($con, "UPDATE `rank` SET `score`=$sun ,time=NOW() WHERE username= '$username'") or die('Error174');
}
}
header("location:dash.php?q=0");
}
}
if (isset($_SESSION['key'])) {
if (@$_GET['eeidquiz'] && $_SESSION['key'] == '54585c506829293a2d4c3b68543b316e2e7a2d277858545a36362e5f39') {
$eid = @$_GET['eeidquiz'];
$r1 = mysqli_query($con, "UPDATE quiz SET status='enabled' WHERE eid='$eid' ") or die('Error');
header("location:dash.php?q=0");
}
}
if (isset($_SESSION['key'])) {
if (@$_GET['dusername'] && $_SESSION['key'] == '54585c506829293a2d4c3b68543b316e2e7a2d277858545a36362e5f39') {
$dusername = @$_GET['dusername'];
$r1 = mysqli_query($con, "DELETE FROM rank WHERE username='$dusername' ") or die('Error');
$r2 = mysqli_query($con, "DELETE FROM history WHERE username='$dusername' ") or die('Error');
$result = mysqli_query($con, "DELETE FROM user WHERE username='$dusername' ") or die('Error');
header("location:dash.php?q=1");
}
}
if (isset($_SESSION['key'])) {
if (@$_GET['q'] == 'rmquiz' && $_SESSION['key'] == '54585c506829293a2d4c3b68543b316e2e7a2d277858545a36362e5f39') {
$eid = @$_GET['eid'];
$result = mysqli_query($con, "SELECT * FROM questions WHERE eid='$eid' ") or die('Error');
while ($row = mysqli_fetch_array($result)) {
$qid = $row['qid'];
$r1 = mysqli_query($con, "DELETE FROM options WHERE qid='$qid'") or die('Error');
$r2 = mysqli_query($con, "DELETE FROM answer WHERE qid='$qid' ") or die('Error');
}
$r3 = mysqli_query($con, "DELETE FROM questions WHERE eid='$eid' ") or die('Error');
$r4 = mysqli_query($con, "DELETE FROM quiz WHERE eid='$eid' ") or die('Error');
$r4 = mysqli_query($con, "DELETE FROM history WHERE eid='$eid' ") or die('Error');
header("location:dash.php?q=5");
}
}
if (isset($_SESSION['key'])) {
if (@$_GET['q'] == 'addquiz' && $_SESSION['key'] == '54585c506829293a2d4c3b68543b316e2e7a2d277858545a36362e5f39') {
$name = $_POST['name'];
$name = ucwords(strtolower($name));
$total = $_POST['total'];
$correct = $_POST['right'];
$wrong = $_POST['wrong'];
$time = $_POST['time'];
$status = "disabled";
$id = uniqid();
$q3 = mysqli_query($con, "INSERT INTO quiz VALUES(NULL,'$id','$name','$correct','$wrong','$total','$time', 'NOW()','$status')");
header("location:dash.php?q=4&step=2&eid=$id&n=$total");
}
}
if (isset($_SESSION['key'])) {
if (@$_GET['q'] == 'addqns' && $_SESSION['key'] == '54585c506829293a2d4c3b68543b316e2e7a2d277858545a36362e5f39') {
$n = @$_GET['n'];
$eid = @$_GET['eid'];
$ch = @$_GET['ch'];
for ($i = 1; $i <= $n; $i++) {
$qid = uniqid();
$qns = addslashes($_POST['qns' . $i]);
$q3 = mysqli_query($con, "INSERT INTO questions VALUES (NULL,'$eid','$qid','$qns' , '$ch' , '$i')") or die();
$oaid = uniqid();
$obid = uniqid();
$ocid = uniqid();
$odid = uniqid();
$a = addslashes($_POST[$i . '1']);
$b = addslashes($_POST[$i . '2']);
$c = addslashes($_POST[$i . '3']);
$d = addslashes($_POST[$i . '4']);
$qa = mysqli_query($con, "INSERT INTO options VALUES (NULL,'$qid','$a','$oaid')") or die('Error61');
$qb = mysqli_query($con, "INSERT INTO options VALUES (NULL,'$qid','$b','$obid')") or die('Error62');
$qb = mysqli_query($con, "INSERT INTO options VALUES (NULL,'$qid','$c','$ocid')") or die('Error63'.mysqli_error($con));
$qd = mysqli_query($con, "INSERT INTO options VALUES (NULL,'$qid','$d','$odid')") or die('Error64');
$e = $_POST['ans' . $i];
switch ($e) {
case 'a':
$ansid = $oaid;
break;
case 'b':
$ansid = $obid;
break;
case 'c':
$ansid = $ocid;
break;
case 'd':
$ansid = $odid;
break;
default:
$ansid = $oaid;
}
$qans = mysqli_query($con, "INSERT INTO answer VALUES (NULL,'$qid','$ansid')");
}
header("location:dash.php?q=0");
}
}
if (@$_GET['q'] == 'quiz' && @$_GET['step'] == 2 && isset($_SESSION['6e447159425d2d']) && $_SESSION['6e447159425d2d'] == "6e447159425d2d" && isset($_POST['ans']) && (!isset($_GET['delanswer']))) {
$eid = @$_GET['eid'];
$sn = @$_GET['n'];
$total = @$_GET['t'];
$ans = $_POST['ans'];
$qid = @$_GET['qid'];
$q = mysqli_query($con, "SELECT * FROM history WHERE username='$username' AND eid='$_GET[eid]' ") or die('Error197');
if (mysqli_num_rows($q) > 0) {
$q = mysqli_query($con, "SELECT * FROM history WHERE username='$_SESSION[username]' AND eid='$_GET[eid]' ") or die('Error197');
while ($row = mysqli_fetch_array($q)) {
$time = $row['timestamp'];
$status = $row['status'];
}
$q = mysqli_query($con, "SELECT * FROM quiz WHERE eid='$_GET[eid]' ") or die('Error197');
while ($row = mysqli_fetch_array($q)) {
$ttime = $row['time'];
$qstatus = $row['status'];
}
$remaining = (($ttime * 60) - ((time() - $time)));
if ($status == "ongoing" && $remaining > 0 && $qstatus == "enabled") {
$q = mysqli_query($con, "SELECT * FROM user_answer WHERE eid='$_GET[eid]' AND username='$_SESSION[username]' AND qid='$qid' ") or die('Error115');
while ($row = mysqli_fetch_array($q)) {
$prevans = $row['ans'];
}
$q = mysqli_query($con, "SELECT * FROM answer WHERE qid='$qid' ");
while ($row = mysqli_fetch_array($q)) {
$ansid = $row['ansid'];
}
$q = mysqli_query($con, "SELECT * FROM user_answer WHERE username='$_SESSION[username]' AND eid='$_GET[eid]' AND qid='$qid' ") or die('Error1977');
if (mysqli_num_rows($q) != 0) {
$q = mysqli_query($con, "UPDATE user_answer SET ans='$ans' WHERE username='$_SESSION[username]' AND eid='$_GET[eid]' AND qid='$qid' ") or die('Error197');
} else {
$q = mysqli_query($con, "INSERT INTO user_answer VALUES(NULL,'$qid','$ans','$ansid','$_GET[eid]','$_SESSION[username]')");
}
$q = mysqli_query($con, "SELECT * FROM options WHERE qid='$qid' AND optionid='$ans'");
while ($row = mysqli_fetch_array($q)) {
$option = $row['option'];
}
if ($ans == $ansid) {
$q = mysqli_query($con, "SELECT * FROM quiz WHERE eid='$eid' ");
while ($row = mysqli_fetch_array($q)) {
$correct = $row['correct'];
$wrong = $row['wrong'];
}
$q = mysqli_query($con, "SELECT * FROM history WHERE eid='$eid' AND username='$username' ") or die('Error115');
while ($row = mysqli_fetch_array($q)) {
$s = $row['score'];
$r = $row['correct'];
$w = $row['wrong'];
}
if (isset($prevans) && $prevans == $ansid) {
} else if (isset($prevans) && $prevans != $ansid) {
$r++;
$w--;
$s = $s + $correct + $wrong;
$q = mysqli_query($con, "UPDATE `history` SET `score`=$s,`level`=$sn,`correct`=$r,`wrong`=$w, date= NOW() WHERE username = '$username' AND eid = '$eid'") or die('Error13');
} else {
$r++;
$s = $s + $correct;
$q = mysqli_query($con, "UPDATE `history` SET `score`=$s,`level`=$sn,`correct`=$r, date= NOW() WHERE username = '$username' AND eid = '$eid'") or die('Error14');
}
} else {
$q = mysqli_query($con, "SELECT * FROM quiz WHERE eid='$eid' ") or die('Error129');
while ($row = mysqli_fetch_array($q)) {
$wrong = $row['wrong'];
$correct = $row['correct'];
}
$q = mysqli_query($con, "SELECT * FROM history WHERE eid='$eid' AND username='$username' ") or die('Error139');
while ($row = mysqli_fetch_array($q)) {
$s = $row['score'];
$w = $row['wrong'];
$r = $row['correct'];
}
if (isset($prevans) && $prevans != $ansid) {
} else if (isset($prevans) && $prevans == $ansid) {
$r--;
$w++;
$s = $s - $correct - $wrong;
$q = mysqli_query($con, "UPDATE `history` SET `score`=$s,`level`=$sn,`wrong`=$w,`correct`=$r, date= NOW() WHERE username = '$username' AND eid = '$eid'") or die('Error11');
} else {
$w++;
$s = $s - $wrong;
$q = mysqli_query($con, "UPDATE `history` SET `score`=$s,`level`=$sn,`wrong`=$w,date= NOW() WHERE username = '$username' AND eid = '$eid'") or die('Error12');
}
}
header("location:account.php?q=quiz&step=2&eid=$eid&n=$sn&t=$total") or die('Error152');
} else {
unset($_SESSION['6e447159425d2d']);
$q = mysqli_query($con, "UPDATE history SET status='finished' WHERE username='$_SESSION[username]' AND eid='$_GET[eid]' ") or die('Error197');
$q = mysqli_query($con, "SELECT * FROM history WHERE eid='$_GET[eid]' AND username='$_SESSION[username]'") or die('Error156');
while ($row = mysqli_fetch_array($q)) {
$s = $row['score'];
$scorestatus = $row['score_updated'];
}
if($scorestatus=="false"){
$q = mysqli_query($con, "UPDATE history SET score_updated='true' WHERE username='$_SESSION[username]' AND eid='$_GET[eid]' ") or die('Error197');
$q = mysqli_query($con, "SELECT * FROM rank WHERE username='$username'") or die('Error161');
$rowcount = mysqli_num_rows($q);
if ($rowcount == 0) {
$q2 = mysqli_query($con, "INSERT INTO rank VALUES(NULL,'$username','$s',NOW())") or die('Error165');
} else {
while ($row = mysqli_fetch_array($q)) {
$sun = $row['score'];
}
$sun = $s + $sun;
$q = mysqli_query($con, "UPDATE `rank` SET `score`=$sun ,time=NOW() WHERE username= '$username'") or die('Error174');
}
}
header('location:account.php?q=result&eid=' . $_GET[eid]);
}
} else {
unset($_SESSION['6e447159425d2d']);
$q = mysqli_query($con, "UPDATE history SET status='finished' WHERE username='$_SESSION[username]' AND eid='$_GET[eid]' ") or die('Error197');
$q = mysqli_query($con, "SELECT * FROM history WHERE eid='$_GET[eid]' AND username='$_SESSION[username]'") or die('Error156');
while ($row = mysqli_fetch_array($q)) {
$s = $row['score'];
$scorestatus = $row['score_updated'];
}
if($scorestatus=="false"){
$q = mysqli_query($con, "UPDATE history SET score_updated='true' WHERE username='$_SESSION[username]' AND eid='$_GET[eid]' ") or die('Error197');
$q = mysqli_query($con, "SELECT * FROM rank WHERE username='$username'") or die('Error161');
$rowcount = mysqli_num_rows($q);
if ($rowcount == 0) {
$q2 = mysqli_query($con, "INSERT INTO rank VALUES(NULL,'$username','$s',NOW())") or die('Error165');
} else {
while ($row = mysqli_fetch_array($q)) {
$sun = $row['score'];
}
$sun = $s + $sun;
$q = mysqli_query($con, "UPDATE `rank` SET `score`=$sun ,time=NOW() WHERE username= '$username'") or die('Error174');
}
}
header('location:account.php?q=result&eid=' . $_GET[eid]);
}
}
if (@$_GET['q'] == 'quiz' && @$_GET['step'] == 2 && isset($_SESSION['6e447159425d2d']) && $_SESSION['6e447159425d2d'] == "6e447159425d2d" && (!isset($_POST['ans'])) && (isset($_GET['delanswer'])) && $_GET['delanswer'] == "delanswer") {
$eid = @$_GET['eid'];
$sn = @$_GET['n'];
$total = @$_GET['t'];
$qid = @$_GET['qid'];
$q = mysqli_query($con, "SELECT * FROM history WHERE username='$username' AND eid='$_GET[eid]' ") or die('Error197');
if (mysqli_num_rows($q) > 0) {
$q = mysqli_query($con, "SELECT * FROM history WHERE username='$_SESSION[username]' AND eid='$_GET[eid]' ") or die('Error197');
while ($row = mysqli_fetch_array($q)) {
$time = $row['timestamp'];
$status = $row['status'];
}
$q = mysqli_query($con, "SELECT * FROM quiz WHERE eid='$_GET[eid]' ") or die('Error197');
while ($row = mysqli_fetch_array($q)) {
$ttime = $row['time'];
$qstatus = $row['status'];
}
$remaining = (($ttime * 60) - ((time() - $time)));
if ($status == "ongoing" && $remaining > 0 && $qstatus == "enabled") {
$q = mysqli_query($con, "SELECT * FROM answer WHERE qid='$qid' ");
while ($row = mysqli_fetch_array($q)) {
$ansid = $row['ansid'];
}
$q = mysqli_query($con, "SELECT * FROM user_answer WHERE eid='$_GET[eid]' AND username='$_SESSION[username]' AND qid='$qid' ") or die('Error115');
$row = mysqli_fetch_array($q);
$ans = $row['ans'];
$q = mysqli_query($con, "DELETE FROM user_answer WHERE qid='$qid' AND username='$_SESSION[username]' AND eid='$_GET[eid]' ") or die("Error2222");
if ($ans == $ansid) {
$q = mysqli_query($con, "SELECT * FROM quiz WHERE eid='$eid' ") or die('Error129');
while ($row = mysqli_fetch_array($q)) {
$wrong = $row['wrong'];
$correct = $row['correct'];
}
$q = mysqli_query($con, "SELECT * FROM history WHERE eid='$eid' AND username='$username' ") or die('Error139');
while ($row = mysqli_fetch_array($q)) {
$s = $row['score'];
$w = $row['wrong'];
$r = $row['correct'];
}
$r--;
$s = $s - $correct;
$q = mysqli_query($con, "UPDATE `history` SET `score`=$s,`level`=$sn,`correct`=$r, date= NOW() WHERE username = '$username' AND eid = '$eid'") or die('Error11');
} else {
$q = mysqli_query($con, "SELECT * FROM quiz WHERE eid='$eid' ") or die('Error129');
while ($row = mysqli_fetch_array($q)) {
$wrong = $row['wrong'];
$correct = $row['correct'];
}
$q = mysqli_query($con, "SELECT * FROM history WHERE eid='$eid' AND username='$username' ") or die('Error139');
while ($row = mysqli_fetch_array($q)) {
$s = $row['score'];
$w = $row['wrong'];
$r = $row['correct'];
}
$w--;
$s = $s + $wrong;
$q = mysqli_query($con, "UPDATE `history` SET `score`=$s,`level`=$sn,`wrong`=$w, date= NOW() WHERE username = '$username' AND eid = '$eid'") or die('Error11');
}
header('location:account.php?q=quiz&step=2&eid=' . $_GET[eid] . '&n=' . $_GET[n] . '&t=' . $total);
} else {
unset($_SESSION['6e447159425d2d']);
$q = mysqli_query($con, "UPDATE history SET status='finished' WHERE username='$_SESSION[username]' AND eid='$_GET[eid]' ") or die('Error197');
$q = mysqli_query($con, "SELECT * FROM history WHERE eid='$_GET[eid]' AND username='$_SESSION[username]'") or die('Error156');
while ($row = mysqli_fetch_array($q)) {
$s = $row['score'];
$scorestatus = $row['score_updated'];
}
if($scorestatus=="false"){
$q = mysqli_query($con, "UPDATE history SET score_updated='true' WHERE username='$_SESSION[username]' AND eid='$_GET[eid]' ") or die('Error197');
$q = mysqli_query($con, "SELECT * FROM rank WHERE username='$username'") or die('Error161');
$rowcount = mysqli_num_rows($q);
if ($rowcount == 0) {
$q2 = mysqli_query($con, "INSERT INTO rank VALUES(NULL,'$username','$s',NOW())") or die('Error165');
} else {
while ($row = mysqli_fetch_array($q)) {
$sun = $row['score'];
}
$sun = $s + $sun;
$q = mysqli_query($con, "UPDATE `rank` SET `score`=$sun ,time=NOW() WHERE username= '$username'") or die('Error174');
}
}
header('location:account.php?q=result&eid=' . $_GET[eid]);
}
} else {
unset($_SESSION['6e447159425d2d']);
$q = mysqli_query($con, "UPDATE history SET status='finished' WHERE username='$_SESSION[username]' AND eid='$_GET[eid]' ") or die('Error197');
$q = mysqli_query($con, "SELECT * FROM history WHERE eid='$_GET[eid]' AND username='$_SESSION[username]'") or die('Error156');
while ($row = mysqli_fetch_array($q)) {
$s = $row['score'];
$scorestatus = $row['score_updated'];
}
if($scorestatus=="false"){
$q = mysqli_query($con, "UPDATE history SET score_updated='true' WHERE username='$_SESSION[username]' AND eid='$_GET[eid]' ") or die('Error197');
$q = mysqli_query($con, "SELECT * FROM rank WHERE username='$username'") or die('Error161');
$rowcount = mysqli_num_rows($q);
if ($rowcount == 0) {
$q2 = mysqli_query($con, "INSERT INTO rank VALUES(NULL,'$username','$s',NOW())") or die('Error165');
} else {
while ($row = mysqli_fetch_array($q)) {
$sun = $row['score'];
}
$sun = $s + $sun;
$q = mysqli_query($con, "UPDATE `rank` SET `score`=$sun ,time=NOW() WHERE username= '$username'") or die('Error174');
}
}
header('location:account.php?q=result&eid=' . $_GET[eid]);
}
}
?>