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run code in 150+ php & hhvm versions
Bugs & Features
<?php abstract class x { public function xx() { echo $this->haha; } } class y extends x { public static $haha = 'nono'; } $r = new y; $r->xx();
Output for 7.0.0 - 7.1.0
Notice: Accessing static property y::$haha as non static in /in/FUkaR on line 6 Notice: Undefined property: y::$haha in /in/FUkaR on line 6
Output for hhvm-3.12.0
Notice: Undefined property: y::$haha in /in/FUkaR on line 6
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.2.6 - 5.6.28
Strict Standards: Accessing static property y::$haha as non static in /in/FUkaR on line 6 Notice: Undefined property: y::$haha in /in/FUkaR on line 6
Output for 5.0.5 - 5.2.5
Strict Standards: Accessing static property y::$haha as non static in /in/FUkaR on line 6 Notice: Undefined property: y::$haha in /in/FUkaR on line 6
Output for 5.0.0 - 5.0.4
Notice: Undefined property: y::$haha in /in/FUkaR on line 6
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CLASS in /in/FUkaR on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_CLASS in /in/FUkaR on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/FUkaR on line 4
Process exited with code 255.