3v4l.org

run code in 300+ PHP versions simultaneously
<?php $domain = "\xC3\xA4rger.de"; if (function_exists('idn_to_ascii')) { if (defined('INTL_IDNA_VARIANT_UTS46')) { $domain = idn_to_ascii($domain, 0, INTL_IDNA_VARIANT_UTS46); } else { $domain = idn_to_ascii($domain); } } echo $domain;
Output for 5.4.34 - 5.4.45, 5.5.24 - 5.5.28, 5.5.31 - 5.5.33, 5.5.35, 5.6.7 - 5.6.12, 5.6.16 - 5.6.19, 5.6.21 - 5.6.28, 7.0.0 - 7.0.4, 7.0.6 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
xn--rger-koa.de
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.32, 5.5.29 - 5.5.30, 5.5.34, 5.6.13 - 5.6.15, 5.6.20, 7.0.5, 7.3.32 - 7.3.33, 7.4.33, 8.0.13
ärger.de

preferences:
228.48 ms | 404 KiB | 308 Q