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Date: Thu, 17 Sep 2015 23:09:38 +1000
Message-ID: <CA+CPB83G6jk9-CRhnSCN+fEXk-kf=DeVmtv2MzdpXJhc623y+A@mail.gmail.com>
To: Rowan Collins <rowan.collins@gmail.com>
Cc: internals <internals@lists.php.net>
Content-Type: multipart/alternative; boundary=001a11391e5a6a51bd051ff122df
Subject: Re: [PHP-DEV] PHP 7.1 - Address PHPSadness #28?
From: terry@terah.com.au (Terry Cullen)

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=E2=80=8BHi Rowan,=E2=80=8B


On 17 September 2015 at 22:52, Rowan Collins <rowan.collins@gmail.com>
wrote:

> Terry Cullen wrote on 17/09/2015 13:41:
>
>> Here is an example where exists would be useful;
>>
>
> You answered your own request:
>
> // I should have used property_exists() instead of isset().. wasn't
>> expecting a null..
>>
>
> We already have that function, so that's alright then! :)
>
> As I've said several times, we need to improve documentation around this,
> but "I didn't find the existing function, so I need a new function which
> will be no easier to find and won't work in most people's environments" i=
s
> a pretty weak argument in favour of a language change.
>
>
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>
>
=E2=80=8BI agree that there is already ways around this issue, but I agree =
with Bob
that there is a hole that exists() would fill.  I my world where PHP is the
glue between JSON requests and database queries, =E2=80=8Bexists() would be=
 a
function I'd use way more the array_key_exists(), property_exists(),
isset() and empty().  Further, in some scenarios exists($foo->bar) would
replace isset($foo) && is_object($foo) && property_exists($foo, 'bar').

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