<?php
$servername = "localhost";
$username = "root";
$password = "shhhhhhhhhhhhhh";
$dbname = "databaseName";

// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
  die("Connection failed: " . $conn->connect_error);
}

$sql = "SELECT id, time, so2, o2, voc FROM tableName";
$result = $conn->query($sql);

if ($result->num_rows > 0) {
  // output data of each row
  while($row = $result->fetch_assoc()) {
    //Echo the data you need here in the form (for me) [time, so2, o2, voc], (don't forget the comma) and then echo a "\n" character.Basically what you're echoing into the html will be something like this:

	//[timestamp, 23, 43, 12],
	//[timestamp, 25, 41, 18],
	//etc...
  }
} else {
  echo "0 results";
}

$conn->close();
?>