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PHP RFC: Nullsafe Calls
- Version: 0.1
- Date: 2014-10-22
- Author: Josh Watzman (firstname.lastname@example.org), Drew Paroski
- Status: Draft
- First Published at: https://wiki.php.net/rfc/nullsafe_calls
This is a suggested template for PHP Request for Comments (RFCs). Change this template to suit your RFC. Not all RFCs need to be tightly specified. Not all RFCs need all the sections below. Read https://wiki.php.net/rfc/howto carefully!
PHP is and should remain:
1) a pragmatic web-focused language
2) a loosely typed language
3) a language which caters to the skill-levels and platforms of a wide range of users
Your RFC should move PHP forward following his vision. As said by Zeev Suraski “Consider only features which have significant traction to a large chunk of our userbase, and not something that could be useful in some extremely specialized edge cases […] Make sure you think about the full context, the huge audience out there, the consequences of making the learning curve steeper with every new feature, and the scope of the goodness that those new features bring.”
The elevator pitch for the RFC. The first paragraph in this section will be slightly larger to give it emphasis; please write a good introduction.
All the features and examples of the proposal.
To paraphrase Zeev Suraski, explain hows the proposal brings substantial value to be considered for inclusion in one of the world's most popular programming languages.
Remember that the RFC contents should be easily reusable in the PHP Documentation.
Backward Incompatible Changes
What breaks, and what is the justification for it?
Proposed PHP Version(s)
Describe the impact to CLI, Development web server, embedded PHP etc.
To Existing Extensions
Will existing extensions be affected?
It is necessary to develop RFC's with opcache in mind, since opcache is a core extension distributed with PHP.
Please explain how you have verified your RFC's compatibility with opcache.
Describe any new constants so they can be accurately and comprehensively explained in the PHP documentation.
If there are any php.ini settings then list:
- hardcoded default values
- php.ini-development values
- php.ini-production values
Make sure there are no open issues when the vote starts!
Unaffected PHP Functionality
List existing areas/features of PHP that will not be changed by the RFC.
This helps avoid any ambiguity, shows that you have thought deeply about the RFC's impact, and helps reduces mail list noise.
This sections details areas where the feature might be improved in future, but that are not currently proposed in this RFC.
Proposed Voting Choices
Include these so readers know where you are heading and can discuss the proposed voting options.
State whether this project requires a 2/3 or 50%+1 majority (see voting)
Patches and Tests
After the project is implemented, this section should contain
- the version(s) it was merged to
- a link to the git commit(s)
- a link to the PHP manual entry for the feature
Links to external references, discussions or RFCs
Keep this updated with features that were discussed on the mail lists.