3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $email = 'johnsnow@ヒキワリ.ナットウ.com'; $email = idn_to_ascii($email); $email = str_replace('xn--', '', $email); $email = str_replace('@-', '@', $email); echo $email . "\n"; if (filter_var($email, FILTER_VALIDATE_EMAIL)) { echo 'valid'; } else { echo 'not valid'; }
Output for 5.4.0 - 5.4.45, 5.6.0 - 7.1.0
johnsnow@8x4hqntjic.gckxcpg.com valid
Output for 5.0.0 - 5.3.29, 5.5.0 - 5.5.38
Fatal error: Call to undefined function idn_to_ascii() in /in/jMXcU on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: idn_to_ascii() in /in/jMXcU on line 4
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: idn_to_ascii() in /in/jMXcU on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: idn_to_ascii() in /in/jMXcU on line 4