Online PHP editor | refs for J8Mme

<?php class A { public static function counter() { static $i = 0; return ++$i; } } var_dump(A::counter()); var_dump(A::counter()); eval('class B extends A {}'); var_dump(A::counter()); echo "-------\n"; var_dump(B::counter()); var_dump(B::counter()); var_dump(B::counter());