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<?php mb_internal_encoding('UTF-8'); $value = 'g' . chr(0xa4) .'eld'; mb_substitute_character('entity'); var_dump(mb_detect_encoding($value, mb_detect_order())); $value = mb_convert_encoding($value, 'UTF-8'); var_dump($value, mb_strlen($value));
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
bool(false) string(5) "g?eld" int(5)
Output for 5.2.5 - 5.3.29
bool(false) string(4) "geld" int(4)
Output for 4.3.4 - 5.2.4
Warning: mb_substitute_character(): Unknown character. in /in/GIKFk on line 6 bool(false) string(4) "geld" int(4)
Output for 4.3.2 - 4.3.3
Warning: mb_substitute_character(): Unknown character. in /in/GIKFk on line 6 string(4) "SJIS" string(4) "geld" int(4)
Output for 4.3.0 - 4.3.1
Warning: mb_substitute_character() [http://www.php.net/function.mb-substitute-character]: Unknown character. in /in/GIKFk on line 6 string(4) "SJIS" string(4) "geld" int(4)