(PHP 5 >= 5.3.0, PECL intl >= 1.0.2, PECL idn >= 0.1)
idn_to_utf8 — Convert domain name from IDNA ASCII to Unicode.
Procedural style
$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.
domainDomain to convert in IDNA ASCII-compatible format.
optionsConversion 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_*.
Domain name in Unicode, encoded in UTF-8. or FALSE on failure
| Version | Description |
|---|---|
| 5.4.0/PECL 2.0.0b1 | Added the parameters variant and idna_info; UTS #46 support. |
Example #1 idn_to_utf8() example
<?php
echo idn_to_utf8('xn--tst-qla.de');
?> The above example will output:
täst.de