Answer Posted / guru

<?php
error_reporting('E_ALL ^ E_NOTICE');
if(isset($_POST['submit']))
{
mysql_connect('localhost','root','') or die(mysql_error());
mysql_select_db('new') or die(mysql_error());
$name=$_POST['name'];
$password=$_POST['password'];
$mail=$_POST['mail'];
$q=mysql_query("select * from login where name='".$name."' or mail='".$mail."' ") or die(mysql_error());
$n=mysql_fetch_row($q);
if($n>0)
{
$er='The username name '.$name.' or mail '.$mail.' is already present in our database';
}
else
{
$insert=mysql_query("insert into login values('".$name."','".$password."','".$mail."')") or die(mysql_error());
if($insert)
{
$er='Values are registered successfully';
}
else
{
$er='Values are not registered';
}
}
}
?>
<div class="contact">
<h1>Registration Form</h1>
<div id="er"><?php echo $er; ?></div>
<form action="#" method="post">
<table id="tbl" align="center">
<tr><td>Name:</td><td><input type="text" name="name" id="name"></td></tr>
<tr><td>Password:</td><td><input type="text" name="password" id="password"></td></tr>
<tr><td>Email:</td><td><input type="text" name="mail" id="mail"></td></tr>
<tr><td></td><td><input type="submit" name="submit" id="submit" value="Submit"></td></tr>
</table>
</form>
</div>

<script type="text/javascript">
$(document).ready(function() {
$('#submit').click(function() {
var name=document.getElementById('name').value;
var password=document.getElementById('password').value;
var mail=document.getElementById('mail').value;
var chk = /^([\w-\.]+@([\w-]+\.)+[\w-]{2,4})?$/;
if(name=='')
{
$('#er').html('Enter your name');
return false;
}
if(password=='')
{
$('#er').html('Enter your password');
return false;
}
if(mail=='')
{
$('#er').html('Enter your mail');
return false;
}
if(!chk.test(mail))
{
$('#er').html('Enter valid email');
return false;
}
});
});
</script>
<

Reference: http://www.phponwebsites.com/2014/07/php-mysql-create-registration-sign-up-form.html

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