login.php

<?php

require "init.php";

$user_name = $_GET["user_name"];
$user_password = $_GET["user_password"];

$sql = "select name from login_info where user_name = '$user_name' and user_password = '$user_password'";

$result = mysqli_query($con, $sql);

if(!mysqli_num_rows($result)>0){
	$status = "failed";
	echo json_encode(array("response"=>$status));
}

else{
	$row = mysqli_fetch_assoc($result);
	$name = $row['name'];
	$status = "ok";
	echo json_encode(array("response"=>$status, "name"=>$name));
}

mysqli_close($con);

?>