3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x = 0; $x += 4; var_dump($x); // 5
Output for 4.3.0 - 5.0.5, 5.1.1 - 7.2.0
int(4)
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/HFspD on line 4
Process exited with code 255.