Username auto generation using php

login username automatic generation. while  registration time user registering their username in the username column, that time the same user name already exist in the database, for that we are creating auto generation of  username like gmail and all. like that we are suggesting some username for users.

DOWNLOAD                 LIVE DEMO

HTML

html form for username auto generation.

<form  method="POST">
    <label>Email</label>
      <input type="text" name="email" id="email" />
    <label>Generate username</label>
      <input type="text" name="loginname" readonly id="loginname" />
</form>

Script

Ajax script for username auto generation.

<script src="//code.jquery.com/jquery-1.11.0.min.js"></script>
<script>
 $(document).on('change','#email',function(){
        var url = "check.php"; 
            $.ajax({
              type: "POST",
              url : url,
              data: $("#email").serialize(),
              success: function(data)
               {
                 $('#loginname').val(data);  
               }
           });          
        return false;
    });
</script>

Check.php

to generate automatic username.

<?php
if($_POST['email']!='')
        {
            extract($_POST);
            $checkemail =$email;            
            $user = preg_replace('/([^@]*).*/', '$1', $checkemail);         
            echo $uuser = $user.rand ( 1 , 99 );
        }
?>