PHP Code
Output
<!doctype html>
<html>
<head>
<script src="http://code.jquery.com/jquery-1.10.1.min.js"></script>
<script>
$(document).ready(function(){
  $("#appendex").click(function(){
    $(".divcls").append("<p class='para'><label>New User Name</label>: <input name='username[]' title='Enter User name'/><label>New User Email</label>: <input name='useremail[]' title='Enter Email address'/></p>");
  });
  
});
</script>
<style>
.divcls
{

width:300px;
background:#D0DBDF;
border: solid 1px #355681;
margin:6px;
}
label {
    display: inline-block; width: 7em;
  }
.para{
    border:2px solid #3C5059;
    background-color:#ADC0C9;
    
}  
.table_bg {
  width:40%;
  font-family:verdana;
  font-size:15px;  
  color:#fff;
  padding: 10px;
  text-align:center;
}
.table_bg th{
    background: #0780BA;

    color: #fff;
    line-height:35px;
  }
.table_bg td{
    background: #99DBFB;    
    padding:10px;

    color: #000;
  }  
</style>
</head>

<body>
<h1>A PHP array demo</h1>
<button id="appendex">Add More Users</button>
<form action="" method="post">
<div class="divcls">
<p class="para"><label>New User Name</label>: <input name="username[]" title="Enter User name"/></br>
<label>New User Email</label>: <input name="useremail[]" title="Enter Email address"/></p>
</div>
<input type="submit" value="Submit and Display Users"/>
</form>
</body>
</html>
<  ?php
//Remove the spaces in PHP opening tag
$usernames = $_POST['username'];
$txtemails = $_POST['useremail'];

echo "<table class='table_bg'><tr><th>User Name</th><th>User Email</th></tr>";
foreach( $usernames as $key => $uname ) {
  //echo "<p class='para'>The User name is:".$uname." and User email is: ".$txtemails[$key]."</p>";
  echo ("<tr><td>$uname</td><td>$txtemails[$key]</td></tr>");
}
  echo ("</table>");  
?>
A PHP array demo

User Name	User Email