3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php //* echo '1\n'; /* //*/ echo '2\n'; //*/
Output for 4.3.0 - 5.0.5, 5.1.1 - 7.1.7
1\n2\n
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/ZU1Vn on line 7
Process exited with code 255.