<form action = "index.php" method = "POST">
<input type = "text" name = "entry"/>
<input type = "submit" value = "Submit" name = "enter_data" />
</form>

<?php
require("connect.php");
$entry = $_POST['entry'];



if($_POST['enter_data']){
    $create = mysql_query("INSERT INTO users (first_name) VALUES('$entry')");
}

$extract = mysql_query("SELECT * FROM users ORDER BY id DESC");
$delete = mysql_query("DELETE FROM users WHERE first_name='$entry'");
while($row = mysql_fetch_array($extract)){
    $listnames = $row['first_name'];
    $id = $row['id'];
    echo "$id. $listnames "."<a href=\"WTF\">Delete</a><br/>";
}

?>