store data into a text file using php?

Question

i am trying to store data in a text file, something like an array into a text file using php instead of storing into mysql database.

for example here are the data to

Answer 1

You should make a uniqid then they won't be able to access any other txt files in the server.

 $username, "points" => 0];

    // Store the data
    file_put_contents($filename, serialize($userInfo));

    // How to get the data
    $userInfo = unserialize(file_get_contents($filename));
    print($userInfo["points"]);
    //or
    print($userInfo["username"]);

?>