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<?php $str = '東舘町'; var_dump(mb_detect_encoding($str, ['UTF-8','SJIS-WIN'], true)); var_dump(mb_detect_encoding($str, ['UTF-8','SJIS-WIN'], false)); var_dump(mb_detect_encoding_php80($str, ['UTF-8','SJIS-WIN'])); function mb_detect_encoding_php80($string, $encodings) { foreach($encodings as $encoding) { $result = mb_detect_encoding($string, $encoding, true); if ($result !== false) { return $result; } } }
Output for 8.1.11 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
string(8) "SJIS-win" string(8) "SJIS-win" string(5) "UTF-8"
Output for 8.1.0 - 8.1.10
string(5) "CP932" string(5) "CP932" string(5) "UTF-8"
Output for 8.0.1 - 8.0.30
string(5) "UTF-8" string(5) "UTF-8" string(5) "UTF-8"
preferences:
67.85 ms | 1105 KiB | 4 Q