3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $local = 'johnsnow123'; $localExpression = '^[a-z0-9_-]+(?:[a-z0-9._%+-]+)*$'; if (mb_eregi($localExpression, $local) === false) { echo 'invalid'; } else { echo 'valid'; }
Output for 4.3.4 - 7.2.0
valid
Output for 4.3.2 - 4.3.3
Fatal error: Call to undefined function: mb_eregi() in /in/V8Smq on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: mb_eregi() in /in/V8Smq on line 5