3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private function secret() { echo "Can't touch this!"; } public function checkCallable(callable $f): callable { return $f; } } $foo = new Foo; $f = $foo->checkCallable([$foo, 'secret']); $f();

This is an error 500

Value for `_results` contains invalid data `array`


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