<?php
// This is of course needed no matter how you chose to use phpCF...
// However, make sure that you get the path right.
require_once '../../class.CF.php';

// Just a little $text for this example.
$text = "This is just a test!";

// Assuming the text you want to scan is in $text.
$cf = new CF($text);

// Check for errors.
if ($cf->hasError()) {
    // Print last error and exit.
    die($cf->getLastError());
}

if ($cf->isSpam()) {
    // $text is spam.
    echo "Spam!";
} else {
    // $text is NOT spam.
    echo "Ham!";
}
?>