Current File : //usr/local/prospamfilter/library/IDNA/Convert.php
<?php
/**
* Encode/decode Internationalized Domain Names.
*
* The class allows to convert internationalized domain names
* (see RFC 3490 for details) as they can be used with various registries worldwide
* to be translated between their original (localized) form and their encoded form
* as it will be used in the DNS (Domain Name System).
*
* The class provides two public methods, encode() and decode(), which do exactly
* what you would expect them to do. You are allowed to use complete domain names,
* simple strings and complete email addresses as well. That means, that you might
* use any of the following notations:
*
* - www.n�rgler.com
* - xn--nrgler-wxa
* - xn--brse-5qa.xn--knrz-1ra.info
*
*/
class IDNA_Convert
{
/**
* Convert domain name from IDNA ASCII to Unicode
* @param string $encoded Domain name (Punycode)
* @return string Decoded Domain name (UTF-8)
*/
public function decode($encoded)
{
if (function_exists('idn_to_utf8')) {
return idn_to_utf8($encoded);
}
return $encoded;
}
/**
* Convert domain name to IDNA ASCII form
* @param string $decoded Domain name (UTF-8)
* @return string Encoded Domain name (Punycode)
*/
public function encode($decoded)
{
if (function_exists('idn_to_ascii')) {
return idn_to_ascii($decoded);
}
return $decoded;
}
}
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