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<?php mb_internal_encoding('UTF-8'); $value = 'g' . chr(0xa4) .'eld'; mb_substitute_character('entity'); $originalValue = $value; var_dump(mb_detect_encoding($value, mb_detect_order())); $value = mb_convert_encoding($value, 'UTF-8'); var_dump($value, mb_strlen($value), mb_strlen($originalValue));
Output for 5.4.0 - 7.1.0
bool(false) string(5) "g?eld" int(5) int(5)
Output for 5.2.5 - 5.3.29
bool(false) string(4) "geld" int(4) int(5)
Output for 5.2.3 - 5.2.4
Warning: mb_substitute_character(): Unknown character. in /in/rlGJu on line 6 bool(false) string(4) "geld" int(4) int(5)
Output for 4.4.3 - 5.2.2
<br /> <b>Warning</b>: mb_substitute_character() [<a href='function.mb-substitute-character'>function.mb-substitute-character</a>]: Unknown character. in <b>/in/rlGJu</b> on line <b>6</b><br /> bool(false) string(4) "geld" int(4) int(5)
Output for 4.3.4 - 4.4.2
<br /> <b>Warning</b>: mb_substitute_character(): Unknown character. in <b>/in/rlGJu</b> on line <b>6</b><br /> bool(false) string(4) "geld" int(4) int(5)
Output for 4.3.2 - 4.3.3
<br /> <b>Warning</b>: mb_substitute_character(): Unknown character. in <b>/in/rlGJu</b> on line <b>6</b><br /> string(4) "SJIS" string(4) "geld" int(4) int(5)
Output for 4.3.0 - 4.3.1
<br /> <b>Warning</b>: mb_substitute_character() [<a href='http://www.php.net/function.mb-substitute-character'>function.mb-substitute-character</a>]: Unknown character. in <b>/in/rlGJu</b> on line <b>6</b><br /> string(4) "SJIS" string(4) "geld" int(4) int(5)