note 117317 added to function.empty

Note that before PHP 5.5 using empty() with constants will produce cryptic T_PAAMAYIM_NEKUDOTAYIM error. The sample code: <?php define("GLASS", "half-full"); if (empty(GLASS)) { echo "The glass is empty"; } // Parse error: syntax error, unexpected ')', expecting T_PAAMAYIM_NEKUDOTAYIM in ... on line 3 ?> ---- Server IP: 72.52.91.14 Probable Submitter: 178.188.62.26 ---- Manual Page -- http://php.net/manual/en/function.empty.php Edit -- https://master.php.net/note/edit/117317 Del: integrated -- https://master.php.net/note/delete/117317/integrated Del: useless -- https://master.php.net/note/delete/117317/useless Del: bad code -- https://master.php.net/note/delete/117317/bad+code Del: spam -- https://master.php.net/note/delete/117317/spam Del: non-english -- https://master.php.net/note/delete/117317/non-english Del: in docs -- https://master.php.net/note/delete/117317/in+docs Del: other reasons-- https://master.php.net/note/delete/117317 Reject -- https://master.php.net/note/reject/117317 Search -- https://master.php.net/manage/user-notes.php