Untitled

<?php
  include('dbconfig.php');
  if(isset($_POST['submit'])) {
    $sys = mysqli_real_escape_string($connection,$_POST['sys']);
    $dia = mysqli_real_escape_string($connection,$_POST['dia']);
    $pulse = mysqli_real_escape_string($connection,$_POST['pulse']);
    $date = mysqli_real_escape_string($connection,$_POST['date']);
    $time = mysqli_real_escape_string($connection,$_POST['time']);

    if ($sys == '' || $dia == '' || $pulse == '' || $date == '' || $time == '')  {
      $error = 'ERROR: Please fill in all required fields!';
    } else {
      $sql = "INSERT INTO blood (SYS,DIA,PULSE,MYDATE,MYTIME) VALUES ('$sys','$dia','$pulse','$date','$time')";
      mysqli_query($connection,$sql);
      header('Location: index.php');
    }
}
?>

<html>
<head>
<meta charset="UTF-8">
<title>Blood</title>
</head>
<body>
<form action="" method="post">
    <p>
        <label for="sys">SYS:</label>
        <input type="text" name="sys" id="sys">
    </p>
    <p>
        <label for="dia">DIA:</label>
        <input type="text" name="dia" id="dia">
    </p>
    <p>
        <label for="pulse">PULSE:</label>
        <input type="text" name="pulse" id="pulse">
    </p>
    <p>
        <label for="date">DATE:</label>
        <input type="date" name="date" id="date">
    </p>
    <p>
        <label for="time">TIME:</label>
        <input type="time" name="time" id="time">
    </p>
    <input type="submit" name="submit" value="Submit">
</form>
<p><?php echo ($error);?></p>
</body>
</html>