include 'config_file.php'; $message = ''; $connection = new mysqli($host_name, $host_user, $host_password, $database_name); if ($connection->connect_error) { die("Connection failed: " . $connection->connect_error); } $json = json_decode(file_get_contents('php://input'), true); $check_query = ''; if ($json[add] == 0) { //delete $message='yay'; $check_query = "DELETE FROM notification_quotes_table WHERE category = '$json[category]' AND username = '$json[username]'"; } else{ //add $message='yay'; $check_query = "INSERT INTO notification_quotes_table (username, quotes, category) SELECT '$json[username]', quote as quotes, category from Category_Quotes where category = '$json[category]'"; } $result = $connection->query($check_query); if ($result === true) { $message = 'Success!'; } else { $message = 'Error'; } echo json_encode($message); $connection->close();