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<?php echo htmlentities('üäöÜÄÖß'); ?>
Output for 5.4.0 - 7.1.0
&uuml;&auml;&ouml;&Uuml;&Auml;&Ouml;&szlig;
Output for 4.3.0 - 5.3.29
&Atilde;&frac14;&Atilde;&curren;&Atilde;&para;&Atilde;�&Atilde;�&Atilde;�&Atilde;�