'))); // Break up the string into an array $wordlist = explode(' ',$string); // Build an array of the unique words and number of times they occur. $a = array_count_values($wordlist); // Sort the keys alphabetically. ksort($a); // Print the data. echo '

'; // Assign a font-size to the word based on frequency of use. foreach ($a as $word => $count) { $size = $count * 40; // The keyword needs to be referenced 2 or more times to register. if ($count >= 2) { echo "
• $word
\n"; } } echo "

\n"; ?>