Quiz application Using PHP, jQuery, Ajax, MySQL and HTML5

Posted by & filed under CSS, HTML5, JQUERY, MYSQL, PHP.

Everyone likes to make some hello world application, here is that type application you can make it youself.
I am going to make Quiz application using PHP, MySQL, HTML5, jQuery, Ajax and CSS3. Just follow this tutorial to make it this appliaction youself. At the end of this tutorial you are going to have nice working your Quiz Application.

Note : You can refer my latest Quiz application
Responsive PHP Quiz Script



quiz application using php,mysql,jquery, ajax, html5 and css3

Quiz Application using PHP, MySQL,jQuery, Ajax, html5 and css3

Here is the folder structure of the application.

quiz application using php, jQuery, ajax, MySQL and HTML5

Step 1:

Create a table for your Quiz application using following SQL Queries.

  `question_name` text NOT NULL,
  `answer1` varchar(50) NOT NULL,
  `answer2` varchar(50) NOT NULL,
  `answer3` varchar(50) NOT NULL,
  `answer4` varchar(50) NOT NULL,
  `answer` varchar(50) NOT NULL,
  PRIMARY KEY (`id`)

Now insert some sample data’s in it.

INSERT INTO `questions` (`id`, `question_name`, `answer1`, `answer2`, `answer3`, `answer4`, `answer`) VALUES
(1, 'What does PHP stand for?', 'Personal Home Page', 'Personal Hypertext Processor', 'Private Home Page', 'PHP: Hypertext Preprocessor', '4'),
(2, 'How do you write "Hello World" in PHP', 'Document.Write("Hello World");', 'echo "Hello World";', '"Hello World";', '"Hello World";', '2'),
(3, 'The PHP syntax is most similar to:', 'VBScript', 'JavaScript', 'Perl and C', 'Perl and C', '3'),
(4, 'How do you get information from a form that is submitted using the "get" method?', 'Request.Form;', '$_GET[];', 'Request.QueryString;', 'Request.QueryString;', '2');



Step 2:

Create config.php file to write database connection at one place.

define('DB_HOST', 'localhost');
define('DB_NAME', 'test');

$con=mysql_connect(DB_HOST,DB_USER,DB_PASSWORD) or die("Failed to connect to MySQL: " . mysql_error());
$db=mysql_select_db(DB_NAME,$con) or die("Failed to connect to MySQL: " . mysql_error());


Step 3:
Now create index.php file, and include config.php file at the first.

<?php require_once 'config.php';?>

now html part. I added stylesheet in the head section and h1 tag in the body.

<!DOCTYPE html>
<title>Demo Gird</title>
<meta charset='utf-8'>
<link rel='stylesheet' href='css/style.css'/>

<h1>Quiz using PHP, jQuery, Ajax and MySQL</h1>

Next query through the database to get questions and answers from the database.

<?php $response=mysql_query("select * from questions");?>

Using that data’s we are going to dynamically generate form fields for all questions.

<form method='post' id='quiz_form'>
<?php while($result=mysql_fetch_array($response)){ ?>
<div id="question_<?php echo $result['id'];?>" class='questions'>
<h2 id="question_<?php echo $result['id'];?>"><?php echo $result['id'].".".$result['question_name'];?></h2>
<div class='align'>
<input type="radio" value="1" id='radio1_<?php echo $result['id'];?>' name='<?php echo $result['id'];?>'>
<label id='ans1_<?php echo $result['id'];?>' for='1'><?php echo $result['answer1'];?></label>
<input type="radio" value="2" id='radio2_<?php echo $result['id'];?>' name='<?php echo $result['id'];?>'>
<label id='ans2_<?php echo $result['id'];?>' for='1'><?php echo $result['answer2'];?></label>
<input type="radio" value="3" id='radio3_<?php echo $result['id'];?>' name='<?php echo $result['id'];?>'>
<label id='ans3_<?php echo $result['id'];?>' for='1'><?php echo $result['answer3'];?></label>
<input type="radio" value="4" id='radio4_<?php echo $result['id'];?>' name='<?php echo $result['id'];?>'>
<label id='ans4_<?php echo $result['id'];?>' for='1'><?php echo $result['answer4'];?></label>
<input type="radio" checked='checked' value="5" style='display:none' id='radio4_<?php echo $result['id'];?>' name='<?php echo $result['id'];?>'>
<input type="button" id='next<?php echo $result['id'];?>' value='Next!' name='question' class='butt'/>
<?php }?>

Step 4:

now using jQuery i will show only one questions at a time.Here is jQuery script.

<script src="js/jquery-1.9.1.min.js"></script>
<script src="js/watch.js"></script>
	var steps = $('form').find(".questions");
	var count = steps.size();
		if (i == 0) { 	
    		$("#question_" + hider).hide();
		else if(count==i+1){
			var step=i + 1;


			$("#question_" + hider).hide();

    function submit(){
						type: "POST",
						url: "ajax.php",
						data: $('form').serialize(),
						success: function(msg) {

	function createNextButton(i){
		var step = i + 1;
		var step1 = i + 2;
        	$("#question_" + step).hide();
        	$("#question_" + step1).show();
	setTimeout(function() {
	}, 50000);

At the end final question I am posting all the answers to ajax.php file using ajax to validate right, wrong and unanswered questions.

			type: "POST",
			url: "ajax.php",
			data: $('form').serialize(),
			success: function(msg) {

Step 5:

Finally create ajax.php file that’s going to validate your answers.

require_once 'config.php';

$response=mysql_query("select id,question_name,answer from questions");
		   }else if($_POST["$i"]==5){
	 echo "<div id='answer'>";
	 echo " Right Answer  : <span class='highlight'>". $right_answer."</span><br>";

	 echo " Wrong Answer  : <span class='highlight'>". $wrong_answer."</span><br>";

	 echo " Unanswered Question  : <span class='highlight'>". $unanswered."</span><br>";
	 echo "</div>";


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