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run code in 200+ php & hhvm versions
Bugs & Features
<?php interface foo { function bar(what $x); } class what implements foo { function bar(what $x, $y); }
Output for 5.3.0 - 5.5.12
Fatal error: Non-abstract method what::bar() must contain body in /in/PrDBU on line 8
Process exited with code 255.