3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php interface Joinpoint { public function proceed(); } abstract class AbstractMethodInvocation implements Joinpoint { abstract public function proceed(); } class ConcreteMethodInvocation extends AbstractMethodInvocation { public function proceed() { echo 'OK'; } } $invocation = new ConcreteMethodInvocation(); $invocation->proceed();
Output for 5.3.9 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
OK
Output for 5.3.0 - 5.3.8
Fatal error: Can't inherit abstract function Joinpoint::proceed() (previously declared abstract in AbstractMethodInvocation) in /in/5MVZQ on line 8
Process exited with code 255.
Output for 5.2.3 - 5.2.17
Fatal error: Can't inherit abstract function Joinpoint::proceed() (previously declared abstract in AbstractMethodInvocation) in /in/5MVZQ on line 7
Process exited with code 255.
Output for 5.0.0 - 5.2.2
<br /> <b>Fatal error</b>: Can't inherit abstract function Joinpoint::proceed() (previously declared abstract in AbstractMethodInvocation) in <b>/in/5MVZQ</b> on line <b>7</b><br />
Process exited with code 255.
Output for 4.4.2 - 4.4.9
<br /> <b>Parse error</b>: syntax error, unexpected T_STRING in <b>/in/5MVZQ</b> on line <b>3</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
<br /> <b>Parse error</b>: parse error, unexpected T_STRING in <b>/in/5MVZQ</b> on line <b>3</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error in <b>/in/5MVZQ</b> on line <b>3</b><br />
Process exited with code 255.