Re: [VOTE] Fix list() behavior inconsistency

2014-09-25 17:27 GMT+02:00 Patrick ALLAERT <patrickallaert@php.net>: > 2014-09-25 9:42 GMT+02:00 Dmitry Stogov <dmitry@zend.com>: > >> Hi, >> >> The vote is opened at >> https://wiki.php.net/rfc/fix_list_behavior_inconsistency >> >> Thanks. Dmitry. >> > > Hi, > > I'm in favor of disabling for consistency as well, however, I wish a > warning would be emitted. > Not only it would tell me that I have a potential error while upgrading to > PHP 7 but also if I am using it incorrectly, which is always the case when > using a scalar value. > > I therefor propose that: > list($a, $b) = 42; > list($a, $b) = "42"; > list($a, $b) = null; > ... > generates a warning like: PHP Warning: list() expects right operand to be > array, <type> given in <path> on line <line> > > Currently, all of the above lines wouldn't generate any notice / warning / > error, however, using: > list($a, $b) = []; > > generates the following notices: > PHP Notice: Undefined offset: 1 in ... on line ... > PHP Notice: Undefined offset: 0 in ... on line ... > > This is confusing since (to me) using an array is at least better than > using scalars. > > Patrick > bump ? (It is ok to say it's a stupid idea or that I just don't know what I am talking about) Patrick