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run code in 150+ php & hhvm versions
Bugs & Features
<?php trait TestTrait { private function baz() { return 'Hello World'; } } class Foo { use TestTrait; public function __construct() { echo $this->baz(); } } abstract class A { const __default = null; public function __construct() { $class = get_class($this); var_dump(__CLASS__); $r = new ReflectionClass($class); $constants = $r->getConstants(); var_dump($constants); } } class B extends A { const __default = self::A; const A = 'a'; const B = 'b'; } class C extends B { const __default = self::C; const A = 'A'; const C = 'c'; } //$enum = new C(); $foo = new Foo();
Output for 5.4.0 - 5.6.21, hhvm-3.12.0, 7.0.0 - 7.1.0
Hello World
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/TR7jQ 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/TR7jQ on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/TR7jQ on line 3
Process exited with code 255.