The RFC and patch has been updated to include the nullable functionality that addresses the concerns mentioned by Stas.
https://wiki.php.net/rfc/returntypehint2 On Dec 23, 2011, at 5:02 PM, Will Fitch wrote: > I have updated the RFC and patch to reflect not allowing null to be returned > unconditionally. With the current patch, I have not added any type of > indicator to allow null to be returned at all. This will allow us to discuss > things one at a time and determine whether we actually want an indicator > added. > > https://wiki.php.net/rfc/returntypehint2 > > On Dec 23, 2011, at 4:29 PM, Robert Williams wrote: > >> On 12/23/11 13:34, "Will Fitch" <will.fi...@gmail.com> wrote: >> >> >>> There's still the matter of whether allowing null to be returned, >>> regardless of the situation, or using another token to identify that >>> it could return null. I'd like to know what others think. I see Stas' >>> argument that you'll still have to check, but I'm not so sure that is >>> such a bad thing. >> >> I see it as a very bad thing, for two reasons: >> >> 1) Unconditionally allowing null to be returned takes away an element of >> control. You can't get away from error handling, but it's nice to be able >> to handle errors how you want. Having nulls thrown at you at any time >> means you have to be ready to handle them at any time, rather than >> handling them off in a separate area where you have taken the time to >> properly prepare for them. This makes for a lot more redundant code >> unrelated to the core functionality of the code, and it kills much of the >> utility of things like fluent interfaces. >> >> 2) With type-hinted parameters, the choice has already been made not to >> allow null values at any time. Rather, the programmer must explicitly >> allow them in the parameter declaration. Doing the same with return types >> would provide an important bit of consistency. >> >> >> Regards, >> >> Bob >> >> -- >> Robert E. Williams, Jr. >> Associate Vice President of Software Development >> Newtek Businesss Services, Inc. -- The Small Business Authority >> https://www.newtekreferrals.com/rewjr >> http://www.thesba.com/ >> >> >> >> >> >> >> >> Notice: This communication, including attachments, may contain information >> that is confidential. It constitutes non-public information intended to be >> conveyed only to the designated recipient(s). If the reader or recipient of >> this communication is not the intended recipient, an employee or agent of >> the intended recipient who is responsible for delivering it to the intended >> recipient, or if you believe that you have received this communication in >> error, please notify the sender immediately by return e-mail and promptly >> delete this e-mail, including attachments without reading or saving them in >> any manner. The unauthorized use, dissemination, distribution, or >> reproduction of this e-mail, including attachments, is prohibited and may be >> unlawful. If you have received this email in error, please notify us >> immediately by e-mail or telephone and delete the e-mail and the attachments >> (if any). > -- PHP Internals - PHP Runtime Development Mailing List To unsubscribe, visit: http://www.php.net/unsub.php
