Online PHP editor | refs for RQTH2

<?php var_dump( (array)5, (array)null, (array) 0); $tests = [ '[] == false' => [] == false, '"" == false' => "" == false, '"ABC" == false' => "ABC" == false, '"0" == false' => "0" == false, '"123" == false' => "123" == false, 'null == false' => null == false, '0 == false' => 0 == false, '0.49 == false' => 0.49 == false ]; echo (integer) false;