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."; ?>
Output for 5.4.0 - 7.1.0
Domain is valid.
Output for 5.0.0 - 5.3.29
Fatal error: Call to undefined function idn_to_ascii() in /in/PnQJF on line 5
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: idn_to_ascii() in /in/PnQJF on line 5
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: idn_to_ascii() in /in/PnQJF on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: idn_to_ascii() in /in/PnQJF on line 5