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<?php $idn_email = 'θσερ@εχαμπλε.ψομ'; [$local, $domain] = explode('@', $idn_email, 2); $ascii_email = idn_to_ascii($local) . '@' . idn_to_ascii($domain); var_dump( $ascii_email, filter_var($ascii_email, FILTER_VALIDATE_EMAIL) );
Output for git.master, git.master_jit, rfc.property-hooks
string(37) "xn--qxaf2ag@xn--mxahbxey0c.xn--xxaf0a" string(37) "xn--qxaf2ag@xn--mxahbxey0c.xn--xxaf0a"

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