3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php trait foo { public $prop = "foo"; } class bar { use foo; public $prop = "bar"; public function show() { echo $this->prop; } } $x = new bar; $x->show();
Output for 7.0.0 - 7.1.0
Fatal error: bar and foo define the same property ($prop) in the composition of bar. However, the definition differs and is considered incompatible. Class was composed in /in/WCtFn on line 7
Process exited with code 255.
Output for hhvm-3.12.0
Fatal error: trait declaration of property 'prop' is incompatible with previous declaration in /in/WCtFn on line 7
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.4.0 - 5.6.28
Fatal error: bar and foo define the same property ($prop) in the composition of bar. However, the definition differs and is considered incompatible. Class was composed in /in/WCtFn on line 13
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/WCtFn on line 3
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/WCtFn on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/WCtFn on line 3
Process exited with code 255.