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<?php $email = 'ヒキワリ.ナットウ'; $email = idn_to_ascii($email); echo $email . "\n"; $email = 'johnsnow@8x4hqntjic.gckxcpg.com'; $email = idn_to_utf8($email); echo $email . "\n"; if (filter_var($email, FILTER_VALIDATE_EMAIL)) { echo 'valid'; } else { echo 'not valid'; }
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42.59 ms | 402 KiB | 5 Q