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<?php // \u0130 var_dump(utf8_decode('ü')); var_dump(mb_convert_encoding('&auml;', 'HTML-ENTITIES', 'UTF-8') );
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
string(1) "�" string(6) "&auml;"