3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php abstract class Window { abstract public function open(); abstract public function close(); } class XWindow extends Window { public function open() { echo 'open'; } public function close() { echo 'close'; } }
Output for 5.0.0 - 7.2.0
Output for 4.4.2 - 4.4.9
<br /> <b>Parse error</b>: syntax error, unexpected T_CLASS in <b>/in/lQoGu</b> on line <b>2</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_CLASS in <b>/in/lQoGu</b> on line <b>2</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/lQoGu</b> on line <b>2</b><br />
Process exited with code 255.