<?php
include("Numbers/Words.php"); 
$count = 0; //counter
$letters = 0; //letters
$num2word = new Numbers_Words();
for($count = 1 ; $count < 1001 ; $count++) 
{
   $letters = $letters + (strlen(str_replace("-","",str_replace(" ","",$num2word->toWords($count,en_GB)))));
}
echo "Total letters: " . $letters;
?>