connect_error) { die("Connection failed: " . $conn->connect_error); } $sql = "SELECT ID FROM Users WHERE Username = '$friend'"; $query = mysqli_query($conn, $sql); if (mysqli_num_rows($query) > 0) { $sql = "INSERT INTO request (Type, FromPlayer, ToPlayer) VALUES ('Friend', '$player', '$friend')"; $query = mysqli_query($conn, $sql); echo("Done"); } else { echo($friend); echo("//unknow player"); } $conn->close(); ?>