#50184 [Tbd->Csd]: Constants can be redefined

ID: 50184 Updated by: vrana@php.net Reported By: goatlabs at gmail dot com -Status: To be documented +Status: Closed Bug Type: Scripting Engine problem Operating System: OSX 10.6.2; Debian Linux 5.0.3 PHP Version: 5.3.0 New Comment: This bug has been fixed in the documentation's XML sources. Since the online and downloadable versions of the documentation need some time to get updated, we would like to ask you to be a bit patient. Thank you for the report, and for helping us make our documentation better. Previous Comments: ------------------------------------------------------------------------ [2009-11-25 09:59:33] svn@php.net Automatic comment from SVN on behalf of vrana Revision: http://svn.php.net/viewvc/?view=revision&revision=291296 Log: Case-insensitive are lower-case (bug #50184) ------------------------------------------------------------------------ [2009-11-16 09:35:44] jani@php.net From manual notes: A note on redefining: Constants can't be redefined: $ php -r "define('A', 1); var_dump('A'); define('A', 2); var_dump('A');"; string(1) "A" PHP Notice: Constant A already defined in Command line code on line 1 string(1) "A" But using the case insensitive setting shows that the internal representation is lower case: $ php -r "define('A', 1, true); var_dump('A'); define('A', 2); var_dump('A');"; string(1) "A" string(1) "A" Note the lower case 'a' in the second define() here: $ php -r "define('A', 1, true); var_dump('A'); define('a', 2); var_dump('A');"; string(1) "A" PHP Notice: Constant a already defined in Command line code on line 1 string(1) "A" (Short version: Yes, but no) ------------------------------------------------------------------------ [2009-11-16 03:59:24] goatlabs at gmail dot com Note: the description should read: define() constants can be modified if originally defined "case-INsensitive" ------------------------------------------------------------------------ [2009-11-16 01:44:49] goatlabs at gmail dot com Description: ------------ define() constants can be modified if originally defined case-sensitive Reproduce code: --------------- define('TEST', 'foo', true); var_dump(TEST); define('TEST', 'bar'); var_dump(TEST); Expected result: ---------------- string(3) "foo" string(3) "foo" Actual result: -------------- string(3) "foo" string(3) "bar" ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=50184&edit=1