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attempt_quiz.php
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attempt_quiz.php
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<?php
include("connect.php");
doDB();
session_start();
if (!isset($_SESSION['id']) or !$_GET['quiz_id'] or $_SESSION['quiz_start']=='stop') {
header("Location: student.php");
exit();
}
else {
$ques_no = 1;
$nof = 0;
if(isset($_GET['ques_no'])){
$ques_no = $_GET['ques_no'];}
$quiz_id_sql = "SELECT * FROM quiz_questions where quiz_id = '".$_GET['quiz_id']."'";
$login_res = mysqli_query($con, $quiz_id_sql) or die(mysqli_error($con));
$no_of_ques = "SELECT count(*) as nof FROM quiz_questions where quiz_id = '".$_GET['quiz_id']."'";
$ques_res = mysqli_query($con, $no_of_ques) or die(mysqli_error($con));
while ($no = mysqli_fetch_array($ques_res)) {
$nof = $no["nof"];
}
$display_block = "
<table cellpadding = \"3\" cellspacing = \"1\" border = \"1\" align=\"center\" width=\"50%\">
<tr>
<th>Question ".$ques_no."</th>
</tr>";
for ($i=0; $i<$ques_no; $i++){
$quiz = mysqli_fetch_array($login_res);
$que = nl2br(stripcslashes($quiz["question"]));
$opt1 = nl2br(stripcslashes($quiz["opt1"]));
$opt2 = nl2br(stripcslashes($quiz["opt2"]));
$opt3 = nl2br(stripcslashes($quiz["opt3"]));
$opt4 = nl2br(stripcslashes($quiz["opt4"]));
$ans = nl2br(stripcslashes($quiz["ans"]));
$ans2 = nl2br(stripcslashes($quiz["ans2"]));
$ans3 = nl2br(stripcslashes($quiz["ans3"]));
$ans4 = nl2br(stripcslashes($quiz["ans4"]));
$multi = nl2br(stripcslashes($quiz["multi"]));
}
if ($multi=="no") {
$display_block .= "
<tr>
<td>
".$que." <br/>
<form action='add_marks.php' method='post'>
<input type='radio' name='opt' value='1'> ".$opt1." <br>
<input type='radio' name='opt' value='2'> ".$opt2." <br>
<input type='radio' name='opt' value='3'> ".$opt3." <br>
<input type='radio' name='opt' value='4'> ".$opt4." <br>
<input type='hidden' name='ans' value='".$ans."'>
<input type='hidden' name='ans2' value='".$ans2."'>
<input type='hidden' name='ans3' value='".$ans3."'>
<input type='hidden' name='ans4' value='".$ans4."'>
<input type='hidden' name='ques_no' value='".$ques_no."'>
<input type='hidden' name='quiz_id' value='".$_GET['quiz_id']."'>
<input type='submit' value='submit'>
</form>
</td>
</tr>
";
}
else {
$display_block .= "
<tr>
<td>
".$que." <br/>
<form action='add_marks.php' method='post'>
<input type='checkbox' name='opt1' value='1'> ".$opt1." <br>
<input type='checkbox' name='opt2' value='2'> ".$opt2." <br>
<input type='checkbox' name='opt3' value='3'> ".$opt3." <br>
<input type='checkbox' name='opt4' value='4'> ".$opt4." <br>
<input type='hidden' name='ans1' value='".$ans."'>
<input type='hidden' name='ans2' value='".$ans2."'>
<input type='hidden' name='ans3' value='".$ans3."'>
<input type='hidden' name='ans4' value='".$ans4."'>
<input type='hidden' name='ques_no' value='".$ques_no."'>
<input type='hidden' name='quiz_id' value='".$_GET['quiz_id']."'>
<input type='submit' value='submit'>
</form>
</td>
</tr>
";
}
$display_block .= "
</table>
";
}
?>
<!DOCTYPE html>
<html>
<head>
<title>Quizes</title>
</head>
<body>
<h1 align="center">Attempt any quiz</h1>
<?php
if($ques_no<=$nof){
echo $display_block;
}
else { echo "No more questions";}
?>
<br>
Question NO. <br>
<?php
for ($i=0; $i<$nof; $i++) {
$n = $i+1;
echo "<a href=\"attempt_quiz.php?ques_no=".$n."&quiz_id=".$_GET['quiz_id']."\">".$n."</a>  ";
}
?>
<hr>
<a href="add_marks.php?show=true&quiz_id=<?php echo $_GET['quiz_id'] ?>">Show marks</a>
</body>
</html>