Strip down and optimize a string for the Google Web Fonts "text" parameter.

texterize.php

<?php

function texterize($s = '') {
    $s = str_replace(' ', '', $s);
    $s = str_split($s);
    $s = array_unique($s);
    natcasesort($s);
    return urlencode(implode($s));
}

echo texterize("This is a String with duplicate characters that needs to be stripped of white spaces and put in alphabetical order");

echo texterize("Even - non alpha-numeric chars are supported! Though that is easy!~*&^");

?>