3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo base64_encode('6660'); //echo '--' . base64_encode('6666'); //echo '--' . base64_encode('6665'); //echo '--' . base64_encode('6663'); //echo '--' . base64_encode('6660');
based on LkevM
Output for 4.3.0 - 5.0.5, 5.1.1 - 7.2.0
NjY2MA==
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/qdHCC on line 8
Process exited with code 255.