3v4l.org

run code in 300+ PHP versions simultaneously
<?php if(version_compare(PHP_VERSION, "5.4.0", ">=")) eval(' interface Baz { public function bad(); } trait Bar{ protected function bad(){} } class Foo implements Baz{ use Bar; } $test = new Foo(); var_dump($test instanceof Baz); ');

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38.45 ms | 402 KiB | 5 Q