Registration Module Code

Step 1 : 

create table  studentrecord
(id  int primary key auto_increment,
 name   varchar(20),
 email varchar(20),
 phone  varchar(20),
 password varchar(20));


(1)step one write code for  file  "registration.html":

<html>
<head>
<script>
function ajax_post()
{

    // Create our XMLHttpRequest object

    var hr = new XMLHttpRequest();
    // Create some variables we need to send to our PHP file
    var url = "validation.php";
    var fn = document.getElementById("name").value;
    var en = document.getElementById("email").value;
     var pn = document.getElementById("phone").value;
var pd = document.getElementById("password").value;
var cpd = document.getElementById("cpassword").value;
var cap=document.getElementById("captcha").value;
 var vars = "name="+fn+"&email="+en+"&phone="+pn+"&password="+pd+"&cpassword="+cpd+"&captcha="+cap;
    hr.open("POST", url, true);

    // Set content type header information for sending url encoded variables in the request

    hr.setRequestHeader("Content-type", "application/x-www-form-urlencoded");

    // Access the onreadystatechange event for the XMLHttpRequest object

    hr.onreadystatechange = function() {
    if(hr.readyState == 4 && hr.status == 200) {
    var return_data = hr.responseText;
document.getElementById("status").innerHTML = return_data;
    }
    }

    // Send the data to PHP now... and wait for response to update the status div

    hr.send(vars); // Actually execute the request

    document.getElementById("status").innerHTML = "processing...";
}
</script>
</head>
<body>
<h2>Ajax with PHP examples</h2>
Name:<input id="name" name="name" type="text"><br><br>
EMAIL:<input id="email" name="email" type="text"><br><br>
PHONE<input id="phone"    name="phone"     type="text"><br><br>
PASSWORD<input id="password"    name="password"     type="text"><br><br>
cPASSWORD<input id="cpassword"    name="cpassword"     type="text"><br><br>
(2+ 2)answer<input id="captcha"    name="captcha"     type="text"><br><br>
<input name="myBtn" type="submit" value="Submit Data" onclick="ajax_post();"> <br><br>
<div id="status"></div>
</body>
</html>


output:



(2)Now    write  code     for  "validation.php " :


<?php

$name=$_POST['name'];

$email=$_POST['email'];

$phone=$_POST['phone'];

$password=$_POST['password'];

$cpassword=$_POST['cpassword'];

$capcha=$_POST['captcha'];

$con=mysql_connect("localhost","root","");

mysql_select_db("aniket",$con);

//include("connect.php");

$sql="select * from  studentrecord where   email='$email'";

$result=mysql_query($sql);

$num=mysql_num_rows($result);

$regex = "^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$^"; 

$errormsg=array();

 if($capcha=="" )
 {
 $errormsg="Plase Enter Your Answer";
 }
 else if($capcha==4)
 {
  $errormsg="";

 }
 else 
 {
 $errormsg="incorrect answer";
 }















if($password!==$cpassword)

{

$errormsg="password did not match";



}

if($password=="")

{

$errormsg="enter  your password ";

}
if($phone=="")

{

$errormsg="enter  your phone ";

}

if(!preg_match( $regex, $email ))

{

$errormsg="enter your valid email";



}
if($email=="")

{

$errormsg="enter  your email ";

}

if($name=="")

{

$errormsg="enter  your Name ";

}

if(empty($errormsg))

{



if($num>0)
{

echo "<font color=red>email id is already used please use another email id</font>";

}



else  

{


$sql1="insert into studentrecord(name,email,phone,password)values('$name','$email','$phone','$password')";

mysql_query($sql1);

echo "<font color=red>successfully  registered </font>";

}


}

else

{


echo"<font color=red> $errormsg </font>";


}


?>


==============================================================================================================================================
Another example:

<!DOCTYPE HTML>  
<html>
<head>
<style>
.error {color: #FF0000;}
</style>
</head>
<body>  

<?php
// define variables and set to empty values
$nameErr = $emailErr = $genderErr = $websiteErr =$commentErr= "";
$name = $email = $gender = $comment = $website = "";

if ($_SERVER["REQUEST_METHOD"] == "POST") {
  if (empty($_POST["name"])) {
    $nameErr = "Name is required";
  } else {
    $name = test_input($_POST["name"]);
  }
  
  if (empty($_POST["email"])) {
    $emailErr = "Email is required";
  } else {
    $email = test_input($_POST["email"]);
  }
    
  if (empty($_POST["website"])) {
    $websiteErr = "enter your website url";
  } else {
    $website = test_input($_POST["website"]);
  }

  if (empty($_POST["comment"])) {
    $commentErr = "enter your comment";
  } else {
    $comment = test_input($_POST["comment"]);
  }

  if (empty($_POST["gender"])) {
    $genderErr = "Gender is required";
  } else {
    $gender = test_input($_POST["gender"]);
  }
}

function test_input($data) {
  $data = trim($data);
  $data = stripslashes($data);
  $data = htmlspecialchars($data);
  return $data;
}
?>

<h2>PHP Form Validation Example</h2>
<p><span class="error">* required field.</span></p>
<form method="post" action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>">  
  Name: <input type="text" name="name">
  <span class="error">* <?php echo $nameErr;?></span>
  <br><br>
  E-mail: <input type="text" name="email">
  <span class="error">* <?php echo $emailErr;?></span>
  <br><br>
  Website: <input type="text" name="website">
  <span class="error"><?php echo $websiteErr;?></span>
  <br><br>
  Comment: <textarea name="comment" rows="5" cols="40"></textarea>
  <br><br>
  Gender:
  <input type="radio" name="gender" value="female">Female
  <input type="radio" name="gender" value="male">Male
  <span class="error">* <?php echo $genderErr;?></span>
  <br><br>
  <input type="submit" name="submit" value="Submit">  
</form>

<?php
if(empty($emailErr) && empty($nameErr) && empty($genderErr )&& empty($websiteErr))
{
echo "<h2>Your Input:</h2>";
echo $name;
echo "<br>";
echo $email;
echo "<br>";
echo $website;
echo "<br>";
echo $comment;
echo "<br>";
echo $gender;
}
?>

</body>

</html>


============Registration using php for email ,contact ,fullname  =====================
(1)write code for userregistration.html file:

<html>
<head>
<title>
PHP FORM VALIDATION BY OM SIR
</title>

<link rel="stylesheet" href="bootstrap.min.css">

 <script type="text/javascript" src="http://code.jquery.com/jquery-2.1.1.min.js"></script>


<script type="text/javascript">
$(document).ready(function (event) {
// triggered when the form submitted
$("#myform").on('submit',(function(event) {
event.preventDefault();
$("#response").empty();
$.ajax({
// URL to move the uploaded image file to server
url: "submit.php",
// Request type
type: "POST",
// To send the full form data
data: new FormData(this),
contentType: false,
processData:false,
// UI response after the file upload
success: function(data)
{
$("#response").html(data);
}
});
}));

// Triggered when the image changed (browse)

// Function to show the image as a preview

});
</script>
</head>
<body>
 
<div  class="container">
<img  src="otts.png"  style="min-wdith:300px; width:100%; height:200px;">
<h1>If you are already a Registered User, Please Sign In with your Email & Password</h1>
<div  class="form-group">
<a href="userlogin.html"><input  type="submit"      name="submit" Value="Sign-In"  class="btn-lg btn-primary"></a>
</div>
<h1>New User Registration For OTTS!</h1>

<div id=response>   </div>
<form id=myform  action="" method="post"   >
<div class="form-group">
Name <input type="text" name="name"   class="form-control">
</div>
<div class="form-group">
Contact<input type="text" name="contact"  class="form-control">
</div>
<div class="form-group">
Email<input type="email" name="email"   class="form-control">
</div>
<div class="form-group">
Password<input type="password"  name="password"   class="form-control">
</div>
<div class="form-group">
<input  type="submit"      name="submit"   class="btn-lg btn-primary">
</div>
</form>
</div>

</body>
</html>


(2)WRITE CODE FOR  "submit.php"  file:

<?php

$name=$_POST['name'];

$email=$_POST['email'];

$contact=$_POST['contact'];

$password=$_POST['password'];



$con=mysqli_connect("localhost","root","password","databasename");



$sql="select * from  userrecord where   email='$email'";

$result=mysqli_query($con,$sql);

$num=mysqli_num_rows($result);

$regex = "^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$^";

$errormsg=array();


if(!preg_match( $regex, $email ))

{

$errormsg="enter your valid email";



}


if($password=="")

{

$errormsg="enter  your password ";

}

if(!preg_match('/^[0-9]{10}+$/', $_POST['contact']))
    {
      $errormsg = 'Invalid Number,Please enter 10 digit mobile number !';
    }
 
 
if($email=="")

{

$errormsg="enter  your email ";

}



if (!preg_match("/^[a-zA-Z ]*$/",$name)) {
$errormsg = "Only letters and white space allowed";
}

if (empty($_POST["name"]))
{
$errormsg = "Name is required";

}

if(empty($errormsg))

{



if($num>0)
{

echo "<font color=red>email id is already used please use another email id</font>";

}



else

{


$sql1="insert into userrecord(name,email,contact,password)values('$name','$email','$contact','$password')";

mysqli_query($con,$sql1);

echo "<font color=red>successfully  registered </font>";

}


}

else

{


echo"<font color=red> $errormsg </font>";


}


?>

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