Re: [RFC] unset(): return bool if the variable has existed

On Wed, Mar 6, 2013 at 10:38 PM, Ferenc Kovacs <tyra3l@gmail.com> wrote: > > > > On Wed, Mar 6, 2013 at 10:10 PM, Bob Weinand <bobwei9@hotmail.com> wrote: > >> Hi! >> >> As this seem to require a RFC, here is it: >> >> https://wiki.php.net/rfc/unset_bool >> >> Please feedback, >> >> Bob Weinand >> >> -- >> PHP Internals - PHP Runtime Development Mailing List >> To unsubscribe, visit: http://www.php.net/unsub.php >> >> > unset is not a function, but a language construct, and there is at least > one similar construct which doesn't return anything (eg. not returning > NULL, but syntax error when used in a return context): echo > > referring to "This removes also an inconsistency: the function's return value is void, states the docs. It is until now the only function which has no return value." especially. -- Ferenc Kovács @Tyr43l - http://tyrael.hu