3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $reg = "#^([\w-]+://?|www[\.])?[a-z0-9]+[a-z0-9\-\.]*[a-z0-9]+\.[a-z]{2,7}$#"; $domain_name = "ελληνικά.idn.icann.org"; $domain_name = @idn_to_ascii($domain_name); echo preg_match($reg, $domain_name) ? "Domain is valid." : "Domain is not valid."; ?>
based on PnQJF
Output for 5.4.35 - 5.5.28, 5.5.31 - 5.5.33, 5.5.35 - 5.6.12, 5.6.16 - 5.6.19, 5.6.21 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.0.4, 7.0.6 - 7.1.0
Domain is valid.
Output for 7.0.5
Fatal error: Uncaught Error: Call to undefined function idn_to_ascii() in /in/V4Gu6:5 Stack trace: #0 {main} thrown in /in/V4Gu6 on line 5
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.2 - 5.4.34, 5.5.29 - 5.5.30, 5.5.34, 5.6.13 - 5.6.15, 5.6.20

Process exited with code 255.
Output for 4.3.0 - 4.3.1