//Details in asterisk to hide.
'<?php
define('DB_SERVER', '******');
define('DB_USERNAME', '*******');
define('DB_PASSWORD', '*******');
define('DB_DATABASE', '*******');
$db = mysqli_connect(DB_SERVER,DB_USERNAME,DB_PASSWORD,DB_DATABASE);






$query = "SELECT user_id, username, user_password FROM User_Login WHERE                                                        username='$username' AND user_password='$password'",
$username = mysqli_real_escape_string($db,$_GET['username']),
$password = mysqli_real_escape_string($db,$_GET['password']);

// Perform Query
$result = mysqli_query($db,$query);

// Check result
// This shows the actual query sent to MySQL, and the error. Useful for     debugging.
if (!$result) {
$message  = 'Invalid query: ' . mysqli_error($db) . "n";
$message .= 'Whole query: ' . $query;
die($message);
}

// Use result
// Attempting to print $result won't allow access to information in the   resource
// One of the mysql result functions must be used

while ($row = mysqli_fetch_assoc($result)) {
echo $row['$username'];
echo $row['username'];
echo $row['user_password'];
}

// Free the resources associated with the result set
// This is done automatically at the end of the script
mysqli_free_result($result);
?>`