sdfhgtrhgjklufydrjhklsdfgnkl

<?php
    $servername = "46.105.57.2";
    $username = "mc44226";
    $password = "f4dbf0176f";
    $database = "mc44226";

    // Create connection
    // $conn = new mysqli($servername, $username, $password);

    // Check connection
    //if ($conn->connect_error) {
    //    die("Connection failed: " . $conn->connect_error);
    //}

    echo "connecting\n";
    $con = mysqli_connect($servername, $username, $password, $database);
    $query = "SELECT * FROM pr_booking";
    $result = mysqli_query($con,$query);
    $row = mysqli_fetch_array($result);

    // foreach ($row as $x => $value) {
    //     echo $x." => ".$value." ::: ";
    // }

  //  foreach ($result as $item){
  //      echo $row['cardid'];
  //  }

    $query = "SELECT cardid FROM pr_booking";
    $result = mysqli_query($con,$query);

    while ($row = mysqli_fetch_array($result)) {
        // var_dump($row);
        echo $row['cardid']."\n";
    }

    echo "\nconnected\n";
?>

<?php //phpinfo(); ?>

<?php
    $fp = fopen("/dev/ttyACM0", "w+");
    //$fp = implode($fp);

    if(!$fp) {
        echo "Error";die();
    }
    do {
        sleep(1); // Wait for arduino to start up

        fwrite($fp, $_SERVER['argv'][0] . 0x00);

        //$buffer = substr(fread($fp, 50), -17);
        $buffer = substr(fread($fp, 50), -30);


        echo $buffer;

    } while (true);
    fclose($fp);
    echo "\r"; // Make the terminal output less ugly
?>