3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php abstract class a { abstract function x(); } class b extends a { function x() { print "gnu"; } } $b = new b; $b->x();
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
gnu
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CLASS in /in/trtT9 on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_CLASS in /in/trtT9 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/trtT9 on line 2
Process exited with code 255.