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Subject: Re: [PHP-DEV] coerce() function
Date: Sat, 13 Dec 2025 18:34:32 +0400
In-Reply-To: <CAJmy8YF9VGjFyBAomkgxLChtRPxrsLdu7dhcZkAFx6r7CCcRKg@mail.gmail.com>
Cc: "Rowan Tommins [IMSoP]" <imsop.php@rwec.co.uk>,
 PHP internals <internals@lists.php.net>
To: Hans Henrik Bergan <divinity76@gmail.com>
References: <462A7CF0-71A6-4BFA-B5FE-CDF3E0CCA5E6@gmail.com>
 <D01140F9-5920-41E0-9FB7-1298881BCED4@rwec.co.uk>
 <232310F3-47A1-4F55-B225-9B4159ACA39E@gmail.com>
 <CAJmy8YF9VGjFyBAomkgxLChtRPxrsLdu7dhcZkAFx6r7CCcRKg@mail.gmail.com>
From: xepozzd@gmail.com (Dmitry Derepko)


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> On Dec 12, 2025, at 9:26=E2=80=AFPM, Hans Henrik Bergan =
<divinity76@gmail.com> wrote:
>=20
> trivial to make in userland.

Sure, almost everything is trivial to make in userland and re-use as a =
function.

> how about making a composer coerce package first,=20
> give it some time, check if it becomes popular,
>  and if it does catch on, reconsider adding it to core?

I don=E2=80=99t think so. There=E2=80=99s no node-js world with left-pad =
function.=20
People prefer to write plain php instead of re-using external function =
that=E2=80=99s needed to be downloaded and correctly loaded with =
autoload. Too much effort to re-use.

Moreover, event if a function is quite popular, it doesn=E2=80=99t mean =
it should be bundled: `dd` / `dump` / `u` / any Laravel global functions =
that=E2=80=99s users think it=E2=80=99s bundled.

I think it=E2=80=99s better to grep the world with structural search and =
find some cases:

- condition($a) ? $a : expr()
- if (condition($a)) { $a =3D expr() }

With more or less popular use-cases:
- $a =3D=3D =E2=80=98desc=E2=80=99 ? =E2=80=98desc=E2=80=99 : =E2=80=98asc=
=E2=80=99
- $a =3D=3D =E2=80=99true=E2=80=99 ? =E2=80=99true' : =E2=80=98false=E2=80=
=99
- $a > 10 ? 10 : ($a < 0 ? 0 : $a)
- max(0, min($a, 10)
- in_array($key, $values) ? $key : $default
- array_key_exist($key, $values) ? $values[$key] : $default
- isset($values[$key]) ? $values[$key] : $default
- any similar

It could be done if I prepare RFC and it will be necessary. Firstly, =
I=E2=80=99d like to discuss the idea itself.

----------

Best regards,
Dmitrii Derepko.
@xepozz


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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"overflow-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: =
after-white-space;"><br><div><blockquote type=3D"cite"><div>On Dec 12, =
2025, at 9:26=E2=80=AFPM, Hans Henrik Bergan =
&lt;divinity76@gmail.com&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div><div dir=3D"ltr"><div>trivial =
to make in =
userland.</div></div></div></blockquote><div><br></div><div>Sure, almost =
everything is trivial to make in userland and re-use as a =
function.</div><br><blockquote type=3D"cite"><div><div =
dir=3D"ltr"><div>how about making a composer coerce package =
first,&nbsp;</div><div>give it some time, check if it becomes =
popular,</div><div>&nbsp;and if it does catch on, reconsider adding it =
to core?</div></div>
</div></blockquote></div><br><div>I don=E2=80=99t think so. There=E2=80=99=
s no node-js world with left-pad function.&nbsp;</div><div>People prefer =
to write plain php instead of re-using external function that=E2=80=99s =
needed to be downloaded and correctly loaded with autoload. Too much =
effort to re-use.</div><div><br></div><div>Moreover, event if a function =
is quite popular, it doesn=E2=80=99t mean it should be bundled: `dd` / =
`dump` / `u` / any Laravel global functions that=E2=80=99s users think =
it=E2=80=99s bundled.</div><div><br></div><div>I think it=E2=80=99s =
better to grep the world with structural search and find some =
cases:</div><div><br></div><div>- condition($a) ? $a : =
expr()</div><div>- if (condition($a)) { $a =3D expr() =
}</div><div><br></div><div>With more or less popular =
use-cases:</div><div>- $a =3D=3D =E2=80=98desc=E2=80=99 ? =E2=80=98desc=E2=
=80=99 : =E2=80=98asc=E2=80=99</div><div>- $a =3D=3D =E2=80=99true=E2=80=99=
 ? =E2=80=99true' : =E2=80=98false=E2=80=99</div><div>- $a &gt; 10 ? 10 =
: ($a &lt; 0 ? 0 : $a)</div><div>- max(0, min($a, 10)</div><div>- =
in_array($key, $values) ? $key : $default</div><div>- =
array_key_exist($key, $values) ? $values[$key] : $default</div><div>- =
isset($values[$key]) ? $values[$key] : $default</div><div>- any =
similar</div><div><div><div dir=3D"auto" style=3D"overflow-wrap: =
break-word; -webkit-nbsp-mode: space; line-break: =
after-white-space;"><div><br></div><div>It could be done if I prepare =
RFC and it will be necessary. Firstly, I=E2=80=99d like to discuss the =
idea itself.</div><div><br>----------<br><br>Best regards,<br>Dmitrii =
Derepko.<br>@xepozz<br></div><div><br></div></div></div></div></body></htm=
l>=

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