<?php
$names=array();
$i=0;
$con = mysql_connect('localhost', 'root', '');
if (!$con)
  {
  die('Could not connect: ' . mysql_error());
  }
 
mysql_select_db("ajax_demo", $con);
 
$sql="SELECT * FROM ajax_demo";
 
$result = mysql_query($sql);
 
while($row = mysql_fetch_array($result))
  {
  	$names[]=$row['FirstName'];
 
 
  }
$names=array_unique($names);
while($i<count($names))
{
	echo $names[$i];
	echo "</br>";
	echo "</br>";
	$i=$i+1;
}
 
mysql_close($con);
?>