Javascript 02

<?php
  $data = $_POST['hiddenOutput'];
  // Connect to the database
  $conn = mysqli_connect("servidor", "usuario", "senha", "base_de_dados");
  // Insert data into the database
  $query = mysqli_query($conn, "INSERT INTO media (data) VALUES ('$data')");
  // check for error
  if(!$query){
    echo "Error: ". mysqli_error($conn);
  }
  // Close the connection
  mysqli_close($conn);
?>