"Lokrain" lokr...@gmail.com – August 17, 2020 7:14 PM
>
>
> On Mon, 17 Aug 2020 at 19:46, Mathieu Rochette <math...@rochette.cc>
> wrote:
>
>
>> Hi,
>>
>>
>>
>> I’m writing a message here to receive feedback on a two ideas related
to
>> class constructors before going more in details with an RFC. I hope
>> this is
>> appropriate behavior for this list
>>
>>
>>
>> With the Constructor Property Promotion accepted in PHP 8, there’s a
lot
>> less of boilerplate when writing class constructors. I’m suggesting
two
>> additional ways of making thing even easier and I hope, readable.
>>
>>
>>
>> First: I’d like to be able to automatically transfer a constructor
>> property to its parent constructor. I’m thinking of something like
that:
>>
>>
>>
>> ```php
>>
>> class MyCommand extends Command
>>
>> {
>>
>> public function __construct(
>>
>> private Connection $connection,
>
> Why do you use visibility modifier inside here?
This the new PHP 8 feature brought by the Constructor Property Promotion
RFC: https://wiki.php.net/rfc/constructor_promotion
>> parent string $name,
>>
>> ) {
>
> C# has something like this ) : base($name)
>
>> }
>>
>> }
>>
>> ```
>>
>>
>>
>> This would be the equivalent of :
>>
>>
>>
>> ```php
>>
>> class MyCommand extends Command
>>
>> {
>>
>> public function __construct(
>>
>> private Connection $connection,
>>
>> string $name,
>>
>> ) {
>>
>> parent::__construct($name);
>>
>> }
>>
>> }
>>
>> ```
>>
>>
>>
>> The second idea is to make the constructor body optional, the first
>> example
>> would now be:
>>
>>
>>
>> ```php
>>
>> class MyCommand extends Command
>>
>> {
>>
>> public function __construct(
>>
>> private Connection $connection,
>>
>> parent string $name,
>>
>> )
>>
>> }
>>
>> ```
>>
>>
>>
>> This would call the parent constructor automatically even if no "parent"
>> parameter are present. I could even see this enforced by linter to avoid
>> having logic in the constructors.
>>
>>
>>
>> If there is interest I’d like to try writing an rfc and implement it.
I
>> have not much knowledge of the php-src code but I hope this is a small
>> enough change that I’ll be able to tackle. So, at that time if someone
is
>> interested in mentoring this little project I’d appreciate it :)
>>
>>
>>
>>
>>
>> regards,
>>
>>
>>
>> Mathieu
>
>
--
Mathieu Rochette
