Online PHP editor | refs for ie8Ok

<?php error_reporting(-1); $null = null; $arr = array(); $str = 'string'; $int = 7; $dbl = 7.3; $bool = true; $obj = new stdClass(); var_dump($null['nope']); var_dump($null['nope']['sure']); var_dump($arr['nope']); var_dump($arr['nope']['sure']); var_dump($str['nope']); var_dump($str['nope']['sure']); var_dump($int['nope']); var_dump($int['nope']['sure']); var_dump($dbl['nope']); var_dump($dbl['nope']['sure']); var_dump($bool['nope']); var_dump($bool['nope']['sure']); var_dump($obj['nope']); var_dump($obj['nope']['sure']);