PHP IDN Punycode

Encode and decode IDN Punycode if not exists internal php functions idn_to_ascii and idn_to_utf8. Functions use algorithm by rfc 3492.

function EncodePunycodeIDN( $value ) string

Encode UTF-8 domain name to IDN Punycode

Parameters:

string $value Domain name

Returns:

Encoded Domain name

function DecodePunycodeIDN( $value ) string

Decode IDN Punycode to UTF-8 domain name

Parameters:

string $value Punycode

Returns:

Domain name in UTF-8 charset