The worst wordpress the_content filter ever created

gistfile1.php

<?php

function phonetic_fools($content){

  $pieces = str_split($content);

  foreach ($pieces as $piece => $noise) {
        
         $fools = metaphone($noise); 
         $str = strtolower($fools);
         $empty = '&nbsp; ' ; //weird

         echo $str . $empty;
         }
}

add_filter( 'the_content', 'phonetic_fools' );


?>