--TEST-- using different variables to access null offsets --FILE-- <?php $null = NULL; var_dump($null[1]); var_dump($null[0.0836]); var_dump($null[NULL]); var_dump($null["run away"]); var_dump($null[TRUE]); var_dump($null[FALSE]); $fp = fopen(__FILE__, "r"); var_dump($null[$fp]); $obj = new stdClass; var_dump($null[$obj]); $arr = Array(1,2,3); var_dump($null[$arr]); echo "Done\n"; ?> --EXPECTF-- NULL NULL NULL NULL NULL NULL NULL NULL NULL Done