3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo base64_encode('6638'); //echo '--' . base64_encode('6666'); //echo '--' . base64_encode('6665'); //echo '--' . base64_encode('6663'); //echo '--' . base64_encode('6660');
based on 9Z2m2
Output for 4.3.0 - 5.0.5, 5.1.1 - 7.2.0
NjYzOA==
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/7V9so on line 8
Process exited with code 255.