3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo $level = strtolower(preg_replace('/([A-Z])/', ' $1', get_class(new errorexceptION))); echo PHP_EOL; echo $level = preg_replace('/(?<=\\w)(?=[A-Z])/'," $1", get_class(new errorexceptION));

preferences:
35.25 ms | 402 KiB | 5 Q