3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class foo {} class_alias('foo', 'foo bar');
Output for 5.3.0 - 7.1.0
Output for 5.0.0 - 5.2.17
Fatal error: Call to undefined function class_alias() in /in/J1nW1 on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: class_alias() in /in/J1nW1 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: class_alias() in /in/J1nW1 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: class_alias() in /in/J1nW1 on line 3