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<?php $str = 'ä€'; var_dump(strlen($str)); var_dump(mb_detect_encoding($str, 'auto', true)); $iso = mb_convert_encoding($str, 'iso-8859-1', 'utf-8'); var_dump(strlen($str)); var_dump($str); var_dump(mb_detect_encoding($iso, 'utf-8, iso-8859-1', true)); $utf8 = mb_convert_encoding($iso, 'utf-8', 'iso-8859-1'); $utf8 = mb_convert_encoding($utf8, 'utf-8', iso-8859-1);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
int(5) string(5) "UTF-8" int(5) string(5) "ä€" string(10) "ISO-8859-1" Fatal error: Uncaught Error: Undefined constant "iso" in /in/cack9:16 Stack trace: #0 {main} thrown in /in/cack9 on line 16
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
int(5) string(5) "UTF-8" int(5) string(5) "ä€" string(10) "ISO-8859-1" Warning: Use of undefined constant iso - assumed 'iso' (this will throw an Error in a future version of PHP) in /in/cack9 on line 16 Warning: A non-numeric value encountered in /in/cack9 on line 16 Warning: mb_convert_encoding(): Illegal character encoding specified in /in/cack9 on line 16
Output for 7.1.0 - 7.1.20
int(5) string(5) "UTF-8" int(5) string(5) "ä€" string(10) "ISO-8859-1" Notice: Use of undefined constant iso - assumed 'iso' in /in/cack9 on line 16 Warning: A non-numeric value encountered in /in/cack9 on line 16 Warning: mb_convert_encoding(): Illegal character encoding specified in /in/cack9 on line 16
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20
int(5) string(5) "UTF-8" int(5) string(5) "ä€" string(10) "ISO-8859-1" Notice: Use of undefined constant iso - assumed 'iso' in /in/cack9 on line 16 Warning: mb_convert_encoding(): Illegal character encoding specified in /in/cack9 on line 16
preferences:
198.65 ms | 403 KiB | 228 Q