Req #67935 [Com]: define() constants with unallowed characters

Edit report at https://bugs.php.net/bug.php?id=67935&edit=1 ID: 67935 Comment by: 1nflktd at gmail dot com Reported by: 1nflktd at gmail dot com Summary: define() constants with unallowed characters Status: Not a bug Type: Feature/Change Request Package: Scripting Engine problem Operating System: * PHP Version: Irrelevant Block user comment: N Private report: N New Comment: That's my point exactly. In http://php.net/manual/en/language.constants.php says: "A valid constant name starts with a letter or underscore, followed by any number of letters, numbers, or underscores." Ok, that's fine. But if you write whatever you want in define(), and access it with constant(), it works fine ? Is this ok, then ? So why not let it very clear in the docs about this behavior ? Previous Comments: ------------------------------------------------------------------------ [2014-08-30 09:52:30] nikic@php.net You can still access these constants through the constant() function, if you like. ------------------------------------------------------------------------ [2014-08-30 01:48:28] 1nflktd at gmail dot com Description: ------------ Defining constants with invalid characters (e.g. leading numbers) are allowed, define() returns true, checking the constant with defined() also returns true, but when you try to use it you have a parse error. Test script: --------------- var_dump ( define ("0000X" , 1) ); var_dump ( defined ("0000X") ); echo 0000X; http://sandbox.onlinephpfunctions.com/code/a7e955c09fbcc9e17a51ea56a75c70f8f60ab7e7 Expected result: ---------------- var_dump ( define ("0000X" , 1) ); // false, throwing an notice or a warning var_dump ( defined ("0000X") ); // false echo 0000X; // Parse error Actual result: -------------- var_dump ( define ("0000X" , 1) ); // true var_dump ( defined ("0000X") ); // true echo 0000X; // Parse error ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=67935&edit=1