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Convert domain name from IDNA ASCII to Unicode.


idn_to_utf8

(PHP 5 >= 5.3.0, PECL intl >= 1.0.2, PECL idn >= 0.1)

idn_to_utf8Convert domain name from IDNA ASCII to Unicode.

Description

Procedural style

string idn_to_utf8 ( string $domain [, int $options = 0 [, int $variant = INTL_IDNA_VARIANT_2003 [, array &$idna_info ]]] )

This function converts Unicode domain name from IDNA ASCII-compatible format to plain Unicode, encoded in UTF-8.

Parameters

domain

Domain to convert in IDNA ASCII-compatible format.

options

Conversion options - combination of IDNA_* constants (except IDNA_ERROR_* constants).

variant

Either INTL_IDNA_VARIANT_2003 for IDNA 2003 or INTL_IDNA_VARIANT_UTS46 for UTS #46.

idna_info

This parameter can be used only if INTL_IDNA_VARIANT_UTS46 was used for variant. In that case, it will be filled with an array with the keys 'result', the possibly illegal result of the transformation, 'isTransitionalDifferent', a boolean indicating whether the usage of the transitional mechanisms of UTS #46 either has or would have changed the result and 'errors', which is an int representing a bitset of the error constants IDNA_ERROR_*.

Return Values

Domain name in Unicode, encoded in UTF-8. or FALSE on failure

Changelog

Version Description
5.4.0/PECL 2.0.0b1 Added the parameters variant and idna_info; UTS #46 support.

Examples

Example #1 idn_to_utf8() example

<?php

echo idn_to_utf8('xn--tst-qla.de'); 

?>

The above example will output:

 täst.de 

See Also



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