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(PHP 5 >= 5.3.0, PECL intl >= 1.0.2, PECL idn >= 0.1)
idn_to_ascii — Convert domain name to IDNA ASCII form.
Procedural style
This function converts Unicode domain name to IDNA ASCII-compatible format.
Domain to convert. In PHP 5 must be UTF-8 encoded.
Conversion options - combination of IDNA_* constants.
Domain name encoded in ASCII-compatible form. Im Fehlerfall wird FALSE zurückgegeben.
Beispiel #1 idn_to_ascii() example
<?php
echo idn_to_ascii('täst.de');
?>
Das oben gezeigte Beispiel erzeugt folgende Ausgabe:
xn--tst-qla.de
With PHP 5.3 I started to recieve
Fatal error: Only variables can be passed by reference
when trying to call idn_to_ascii with second optional parameter (IDNA_DEFAULT).
Moreover these IDNA_* constants are seem to be undefined in PHP 5.3. + PECL idn 0.0.2
When I tried to uninstall PECL idn and install PECL intl (1.1.1) i recieved this:
/tmp/pear/temp/intl/collator/collator_class.c:92: error: duplicate ‘static’
/tmp/pear/temp/intl/collator/collator_class.c:96: error: duplicate ‘static’
/tmp/pear/temp/intl/collator/collator_class.c:101: error: duplicate ‘static’
/tmp/pear/temp/intl/collator/collator_class.c:107: error: duplicate ‘static’
make: *** [collator/collator_class.lo] Error 1
So probably compiling PHP 5.3. from sources with --enable-intl will help, but it only means that PHP 5.3. intl version differs from the one available at PECL, which isn't good, I think.
I've made my code working again by giving second idn_to_ascii parameter as simple integer variable (with value 0), but something bad is going on here and i will not be surprised if it'll break again after another PHP update...
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