3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php abstract class A { function x() { $this->y(); } } class B extends A { function y() { echo "b"; } } $b = new B; $b->y();
Output for 5.0.0 - 5.6.25, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
b
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CLASS in /in/7LhDl on line 3
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/7LhDl on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/7LhDl on line 3
Process exited with code 255.