Question

In: Computer Science

write a PHP program that initially has button called START QUIZ, once the user clicks on...

write a PHP program that initially has button called START QUIZ, once the user clicks on it, it should randomly select 5 questions from the array and display them in proper quiz format. the user should see a message as follows: START TIME"9:07 AM DATE: 8 OCT 2020 YOU HAVE ONLY 5 MIN TO SUMBIT YOUR QUIZ the user should submit the quiz within 5 minutes, so the quiz score should be shown out of 5. in addition it should shown a report specifying user answers in green if it's correct or red if it's incorrect . in case, the user submitted the form late, then the following msg should appear: SORRY, THE TOME IS OUT we might need to use PHP functions but we are not allowed to use COOKIES or SESSION

*here is what i've done so far, i don't know how to do the rest*

<?php

$questions[] ['q123'] = array (
'question'=>'PHP Stands for?',
'choice1'=>'PHP Hypertext Processor',
'choice2'=>'PHP Hyper Markup Processor',
'choice3'=>' PHP Hypertext Preprocessor',
'choice4'=>'PHP Hypertext Preprocessor',


$questions[] ['q124'] = array (
'question'=>'PHP is an example of ___________ scripting language.',
'choice'=>'Server-side',
'choice2'=>'Client-side',
'choice3'=>'Browser-side',
'choice4'=>'In-side',
'correct'=>'Server-side' );


$questions[] ['q125'] = array (
'question'=>'PHP scripts are enclosed within _______',
'choice1'=>'<php> , </php>',
'choice2'=>'<?php , ?>',
'choice3'=>'?php , ?php',
'choice4'=>'None Of The Above',
'correct'=>'<?php , ?>' );


$questions[] ['q126'] = array (
'question'=>'Localhost IP is ...',
'choice'=>'192.168.0.1',
'choice2'=>'127.0.0.0',
'choice3'=>'1080:80',
'choice4'=>'Any Other',
'correct'=>'127.0.0.0' );


$questions[] ['q127'] = array (
'question'=>'Which of the following variables is not a predefined variable?
',
'choice'=>'$get',
'choice2'=>'$request',
'choice3'=>'$post',
'choice4'=>'$ask',
'correct'=>'$ask' );


$questions[] ['q128'] = array (
'question'=>'Which of the following method sends input to a script via a URL?',
'choice'=>'Get',
'choice2'=>'Post',
'choice3'=>'Both',
'choice4'=>'None',
'correct'=>'Get' );


$questions[] ['q129'] = array (
'question'=>'Which of the following is used to add multiple lone comments in PHP?',
'choice'=>'//',
'choice2'=>'/* */',
'choice3'=>'{{}}',
'choice4'=>'{/\}',
'correct'=>'/* */' );


$questions[] ['q130'] = array (
'question'=>'Which sign is used to access variable of varabiles in PHP?',
'choice'=>'You can't use 'macro parameter character #' in math mode' );


$questions[] ['q131'] = array (
'question'=>'______ is used to unset a variable in PHP?',
'choice'=>'delete()',
'choice2'=>'unset()',
'choice3'=>'unlink()',
'choice4'=>'delete();',
'correct'=>'unset()' );


$questions[] ['q132'] = array (
'question'=>'Which function in PHP is used to get the length of string variable?',
'choice'=>'count()',
'choice2'=>'strcount',
'choice3'=>'strlen',
'choice4'=>'len',
'correct'=>'strlen' );


$questions[] ['q133'] = array (
'question'=>'Which of the below symbols is a newlinw character?',
'choice'=>'\n',
'choice2'=>'\r',
'choice3'=>'/n',
'choice4'=>'/r',
'correct'=>'/n' );


$questions[] ['q134'] = array (
'question'=>'Which of the sunctions is used to sort an array in descending order?',
'choice'=>'asort()',
'choice2'=>'sort()',
'choice3'=>'rsort()',
'choice4'=>'dsort()',
'correct'=>'rsort()' );


?>

Solutions

Expert Solution

This is the html file where i have kept a button

<!DOCTYPE html>
<html>
<head>
   <title>Quiz</title>
</head>
<body>
   <form name="form" action="question.php">
       <button>Start Quiz</button>
   </form>
</body>
</html>

Onclicking button it is redirected to the question.php file which is as under.

<?php 
echo '<script type="text/javascript"> 
        var myDate = new Date(); 
        var date = myDate.getDate();
        var month = myDate.getMonth();
        var year = myDate.getFullYear();
        var monthNames = ["Jan", "Feb", "March", "April", "May", "June",
  "July", "Aug", "Sept", "Oct", "Nov", "Dec"
]; 
        var hours = myDate.getHours(); 
        var ampm = hours >= 12 ? \'PM\' : \'AM\'; 
        hours = hours % 12; 
        hours = hours ? hours : 12; 
        var minutes = myDate.getMinutes(); 
        minutes = minutes < 10 ? \'0\' + minutes : minutes; 
        var myTime = hours + " " + ampm + " : " + minutes +  
            " : " + myDate.getMilliseconds(); 
        
        document.write("\nSTART TIME "+ myTime + " DATE: " + date + " " + monthNames[month] + " " + year + " YOU HAVE ONLY 5 MIN TO SUMBIT YOUR QUIZ"); 
    
        function CountDown(duration, display) {
            if (!isNaN(duration)) {
                var timer = duration, minutes, seconds;
                
              var interVal=  setInterval(function () {
                    minutes = parseInt(timer / 60, 10);
                    seconds = parseInt(timer % 60, 10);

                    minutes = minutes < 10 ? "0" + minutes : minutes;
                    seconds = seconds < 10 ? "0" + seconds : seconds;

                    $(display).html("<b>" + minutes + "m : " + seconds + "s" + "</b>");
                    if (--timer < 0) {
                        timer = duration;
                       SubmitFunction();
                       $(\'#display\').empty();
                       clearInterval(interVal)
                                           document.write("SORRY, THE TIME IS OUT");
                    }
                    },1000);
            }
        }
        
        function SubmitFunction(){
       $(\'form\').submit();
        
        }
    
         CountDown(300,$(\'#display\'));
                 </script>';
                 echo '<div id="display">';
                 echo ' ';
                echo '</div>';
$Questions = array(
    1 => array(
        'Question' => 'PHP Stands for?',
        'Answers' => array(
            'A' => 'PHP Hypertext Processor',
            'B' => 'PHP Hyper Markup Processor',
            'C' => 'PHP Hypertext Preprocessor',
            'D' => 'PHP Hypertext Preprocess'
        ),
        'CorrectAnswer' => 'C'
    ),
    2 => array(
        'Question' => 'PHP is an example of ___________ scripting language.',
        'Answers' => array(
            'A' => 'Server-side',
            'B' => 'Client-side',
            'C' => 'In-side',
            'D' => 'Brower-side'
        ),
        'CorrectAnswer' => 'A'
    ),
    3 => array(
        'Question' => 'PHP scripts are enclosed within _______',
        'Answers' => array(
            'A' => '<php> , </php>',
            'B' => '<?php , ?>',
            'C' => '?php , ?php',
            'D' => 'None Of The Above'
        ),
        'CorrectAnswer' => 'B'
    ),
    4 => array(
        'Question' => 'Localhost IP is ..',
        'Answers' => array(
            'A' => '192.168.0.1',
            'B' => '127.0.0.0',
            'C' => '1080:80',
            'D' => 'Any Other'
        ),
        'CorrectAnswer' => 'B'
    ),
    5 => array(
        'Question' => 'Which of the following variables is not a predefined variable?',
        'Answers' => array(
            'A' => '$get',
            'B' => '$post',
            'C' => '$ask',
            'D' => '$request'
        ),
        'CorrectAnswer' => 'C'
    ),
    6 => array(
        'Question' => 'Which of the following method sends input to a script via a URL?',
        'Answers' => array(
            'A' => 'Get',
            'B' => 'Post',
            'C' => 'Both',
            'D' => 'None'
        ),
        'CorrectAnswer' => 'C'
    ),
    7 => array(
        'Question' => 'Which of the following is used to add multiple lone comments in PHP?',
        'Answers' => array(
            'A' => '//',
            'B' => '/* */',
            'C' => '{{}}',
            'D' => '{/\}'
        ),
        'CorrectAnswer' => 'B'
    ),
    8 => array(
        'Question' => 'Which sign is used to access variable of varabiles in PHP?',
        'Answers' => array(
            'A' => 'You can not use macro parameter character # in math mode'
        ),
        'CorrectAnswer' => ''
    ),
    9 => array(
        'Question' => '______ is used to unset a variable in PHP?',
        'Answers' => array(
            'A' => 'delete()',
            'B' => 'unset()',
            'C' => 'unlink()',
            'D' => 'set()'
        ),
        'CorrectAnswer' => 'B'
    ),
    10 => array(
        'Question' => 'Which function in PHP is used to get the length of string variable?',
        'Answers' => array(
            'A' => 'count()',
            'B' => 'strcount',
            'C' => 'strlen',
            'D' => 'len'
        ),
        'CorrectAnswer' => 'C'
    ),
    11 => array(
        'Question' => 'Which of the below symbols is a newline character?',
        'Answers' => array(
            'A' => '\n',
            'B' => '\r',
            'C' => '/n',
            'D' => '/r'
        ),
        'CorrectAnswer' => 'C'
    ),
    12 => array(
        'Question' => 'Which of the functions is used to sort an array in descending order?',
        'Answers' => array(
            'A' => 'asort()',
            'B' => 'sort()',
            'C' => 'rsort()',
            'D' => 'dsort()'
        ),
        'CorrectAnswer' => 'C'
    ),
);

if (isset($_POST['answers'])){
    $Answers = $_POST['answers']; // Get submitted answers.

    // Now this is fun, automated question checking! ;)

    foreach ($Questions as $QuestionNo => $Value){
        // Echo the question
        echo $Value['Question'].'<br />';

        if ($Answers[$QuestionNo] != $Value['CorrectAnswer']){
             echo 'You answered: <span style="color: red;">'.$Value['Answers'][$Answers[$QuestionNo]].'</span><br>'; // Replace style with a class
             echo 'Correct answer: <span style="color: green;">'.$Value['Answers'][$Value['CorrectAnswer']].'</span>';
        } else {
            echo 'Correct answer: <span style="color: green;">'.$Value['Answers'][$Answers[$QuestionNo]].'</span><br>'; // Replace style with a class
            echo 'You are correct: <span style="color: green;">'.$Value['Answers'][$Answers[$QuestionNo]].'</span>'; $counter++;

        }

        echo '<br /><hr>'; 
                                if ($counter=="") 
                                { 
                                $counter='0';
                                $results = "Your score: $counter/12"; 
                                }
                                else 
                                { 
                                $results = "Your score: $counter/12"; 
                                }
            }                           echo $results;
} else {  
?>
    <form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post" id="quiz">
    <?php 
    $totalQuestionCount = count($Questions);
    $randQuestions = array_chunk($Questions,5);
    shuffle($Questions);
    foreach ($Questions as $QuestionNo => $Value) {

        ?>

        <h3><?php echo $Value['Question']; ?></h3>
        <?php 
            foreach ($Value['Answers'] as $Letter => $Answer){ 
            $Label = 'question-'.$QuestionNo.'-answers-'.$Letter;
        ?>
        <div>
            <input type="radio" name="answers[<?php echo $QuestionNo; ?>]" id="<?php echo $Label; ?>" value="<?php echo $Letter; ?>" />
            <label for="<?php echo $Label; ?>"><?php echo $Letter; ?>) <?php echo $Answer; ?> </label>
        </div>
        <?php } 

        if ($QuestionNo == $randQuestions) {
            break;
        }
        ?>
    <?php } ?>
    <input type="submit" value="Submit Quiz" />
    </form>
<?php 
}
?>

venereology answered 2 hours ago
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