3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php trait Foo { private $foo = array(); } class Bar { use Foo; private $foo = array(); }
Output for 7.0.0 - 7.1.0
Output for hhvm-3.12.0
Fatal error: trait declaration of property 'foo' is incompatible with previous declaration in /in/pTtKu on line 8
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.6.7 - 5.6.28
Strict Standards: Bar and Foo define the same property ($foo) in the composition of Bar. This might be incompatible, to improve maintainability consider using accessor methods in traits instead. Class was composed in /in/pTtKu on line 11
Output for 5.4.0 - 5.5.35
Fatal error: Bar and Foo define the same property ($foo) in the composition of Bar. However, the definition differs and is considered incompatible. Class was composed in /in/pTtKu on line 11
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/pTtKu on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/pTtKu on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/pTtKu on line 4
Process exited with code 255.