3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function foo($e) { $e+=1; } function bar(&$f) { $f+=1; } $a = 1;foo($a);echo "$a\n"; //$b = 1;foo(&$b);echo "$b\n"; $c = 1;bar($c);echo "$c\n"; //$d = 1;bar(&$d); echo "$d\n";
Output for 4.3.0 - 5.0.5, 5.1.1 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
1 2
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/P9rdB on line 13
Process exited with code 255.