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References: <CAM0CcxjfmWfVNct893wk7mcydkw71FDZd-GUvapho4a8VcmJ2w@mail.gmail.com>
 <df6681d0-d761-425f-e0fd-393747781d39@allenjb.me.uk>
In-Reply-To: <df6681d0-d761-425f-e0fd-393747781d39@allenjb.me.uk>
Date: Sun, 28 Feb 2021 15:20:57 +0200
Message-ID: <CAM0CcxgTkEN_-0cFr6ydPFkuDtuPjvmJkYxAwddGCAjSw-PUKQ@mail.gmail.com>
To: AllenJB <php.lists@allenjb.me.uk>
Cc: PHP Internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] Methods Overloading in PHP
From: zsidelnik@gmail.com (Eugene Sidelnyk)

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> It looks like your message is missing at least a link
Sorry, I am using gmail and have attached an image which you probably can't
see.

![excerpt from book](
https://habrastorage.org/webt/my/8t/in/my8tin97ukibw6ebh0cbaqhmv64.png)

On Sun, Feb 28, 2021 at 3:07 PM AllenJB <php.lists@allenjb.me.uk> wrote:

>
> On 28/02/2021 12:49, Eugene Sidelnyk wrote:
> >   Hi there!
> > I faced a lack of methods overloading in PHP once again and would like to
> > ask will it be implemented at some point?
> > As well, I want you to show some pros and cons which you see in this
> > feature.
> >
> > Here're some thoughts about this by Yegor Bugayenko:
>
>
> It looks like your message is missing at least a link. A quick search
> did however turn up a tweet where Yego suggests it's a code smell (which
> basically echos my thoughts below):
> https://twitter.com/yegor256/status/932701585339240449
>
> A quick search shows the most recent discussion on method overloading
> here appears to be: https://externals.io/message/104073
>
> The big problem with implementing method overloading in PHP is its
> typing system. It might be possible to implement it in certain cases
> where types are strictly defined for all parameters and return values,
> but I suspect there would still be issues over scalar types
> (particularly int/float) and union types.
>
> My personal opinion is that method overloading is unnecessary, and can
> be detrimental to code readability when not used carefully. Without it I
> think developers are forced to name methods that do similar things more
> concisely, while when it's available they're more likely to create a
> "single" generically named, overloaded method whose behavior can differ
> depending on the inputs.
>
>

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