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<?php mb_internal_encoding('UTF-8'); $value = 'g' . chr(0xa4) .'eld'; var_dump(mb_substitute_character('entity'), mb_convert_encoding($value, 'UTF-8', mb_detect_encoding($value, mb_detect_order(), true)), mb_substitute_character()); var_dump(mb_substitute_character('long'), mb_convert_encoding($value, 'UTF-8', 'ISO-8859-15'), mb_substitute_character()); var_dump(mb_substitute_character(0x3013), mb_convert_encoding($value, 'UTF-8', 'ISO-8859-15'), mb_substitute_character()); var_dump(mb_substitute_character('none'), mb_convert_encoding($value, 'UTF-8', 'ISO-8859-15'), mb_substitute_character());
Output for 5.4.0 - 5.6.28, 7.0.0 - 7.1.0
Warning: mb_convert_encoding(): Illegal character encoding specified in /in/jSfSb on line 7 bool(true) string(5) "g?eld" string(6) "entity" bool(true) string(7) "g€eld" string(4) "long" bool(true) string(7) "g€eld" int(12307) bool(true) string(7) "g€eld" string(4) "none"
Output for hhvm-3.12.0
bool(true) string(5) "g?eld" string(6) "entity" bool(true) string(7) "g€eld" string(4) "long" bool(true) string(7) "g€eld" int(12307) bool(true) string(7) "g€eld" string(4) "none"
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.2.5 - 5.3.29
Warning: mb_convert_encoding(): Illegal character encoding specified in /in/jSfSb on line 7 bool(true) string(4) "geld" string(6) "entity" bool(true) string(7) "g€eld" string(4) "long" bool(true) string(7) "g€eld" int(12307) bool(true) string(7) "g€eld" string(4) "none"
Output for 4.3.4 - 5.2.4
Warning: mb_substitute_character(): Unknown character. in /in/jSfSb on line 7 Warning: mb_convert_encoding(): Illegal character encoding specified in /in/jSfSb on line 7 bool(false) string(4) "geld" int(63) bool(true) string(7) "g€eld" string(4) "long" bool(true) string(7) "g€eld" int(12307) bool(true) string(7) "g€eld" string(4) "none"
Output for 4.3.3
Warning: mb_substitute_character(): Unknown character. in /in/jSfSb on line 7 bool(false) string(7) "g、eld" int(63) bool(true) string(7) "g€eld" string(4) "long" bool(true) string(7) "g€eld" int(12307) bool(true) string(7) "g€eld" string(4) "none"
Output for 4.3.2
Warning: mb_substitute_character(): Unknown character. in /in/jSfSb on line 7 Warning: Wrong parameter count for mb_detect_encoding() in /in/jSfSb on line 7 Warning: mb_convert_encoding(): Illegal character encoding specified in /in/jSfSb on line 7 bool(false) string(4) "geld" int(63) bool(true) string(7) "g€eld" string(4) "long" bool(true) string(7) "g€eld" int(12307) bool(true) string(7) "g€eld" string(4) "none"
Output for 4.3.0 - 4.3.1
Warning: mb_substitute_character() [http://www.php.net/function.mb-substitute-character]: Unknown character. in /in/jSfSb on line 7 Warning: Wrong parameter count for mb_detect_encoding() in /in/jSfSb on line 7 Warning: mb_convert_encoding() [http://www.php.net/function.mb-convert-encoding]: Illegal character encoding specified in /in/jSfSb on line 7 bool(false) string(4) "geld" int(63) bool(true) string(7) "g€eld" string(4) "long" bool(true) string(7) "g€eld" int(12307) bool(true) string(7) "g€eld" string(4) "none"