Re: NULL Coercion Consistency

On 8 April 2022 19:34:52 CEST, Craig Francis <craig@craigfrancis.co.uk> wrote: >Hi, > >I've written a new draft RFC to address the NULL coercion problems: > >https://wiki.php.net/rfc/null_coercion_consistency > >This is due to the result of the Allow NULL quiz: > >https://quiz.craigfrancis.co.uk/ > >14 votes for Fatal Type Errors irrespective of strict_types=1; >13 votes for NULL coercion when not using strict_types=1; >8 votes to update some parameters to allow NULL; > >I appreciate some want to force strict type checking on everyone, but I >want to make sure we have this properly documented, with names, and >explanations. > >Breaking changes should be justified - if they aren't, they only >make upgrading difficult and frustrating (bad for security). > >Craig Hello, While the RFC extensively documents the problem space, it's rather short on what exactly it proposes. In particular, does this propose changing user-defined functions under strict_types=0 to accept null for scalar types? Eg., this will be allowed (under strict_types=0): ``` function x(string $y, int $z) { ... } x(null, null); //no error, no warning ``` Regards, Mel