3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "Porcupines\nare\n\n\n\nporcupiney."; echo preg_replace('~\R{1,2}~', '<br />', $string);

This is an error 500

Value for `_results` contains invalid data `array`


preferences:
170.36 ms | 3308 KiB | 9 Q