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run code in 150+ php & hhvm versions
Bugs & Features
<?php trait T { protected $prop = "foo"; } class Base { protected $prop = "foo"; } class Bar extends Base{ use T; public function show(){ echo $this->prop; } } $x = new Bar; $x->show();
Output for hhvm-3.12.0, 7.0.0 - 7.1.0
foo
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.4.0 - 5.6.28
Strict Standards: Base and T define the same property ($prop) in the composition of Bar. This might be incompatible, to improve maintainability consider using accessor methods in traits instead. Class was composed in /in/fBUHI on line 16 foo
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/fBUHI on line 2
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/fBUHI on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/fBUHI on line 2
Process exited with code 255.