Someone

<?php
error_reporting(E_ALL);
$file = fopen('number.txt', 'r');
$number = fgets($file, 3);
$total = $number + $_POST[points];
echo "value txt file number.txt is $number <br />";
echo "the value posted from form is $_POST[points] <br />";
echo 'the total is'. $total;
fwrite (fopen('number.txt', 'w'),$total);
?>