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Date: Tue, 12 May 2009 21:13:40 +0000
Message-ID: <8c35d7690905121413ke040115w3080d95a514781c3@mail.gmail.com>
To: internals@lists.php.net
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Subject: Re: [PHP-DEV] The constant use of isset()
From: olafurw@gmail.com (=?ISO-8859-1?Q?=D3lafur_Waage?=)

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2009/5/12 Brian Moon <brian@moonspot.net>

> $foo =3D filter_input(INPUT_GET, "foo", FILTER_UNSAFE_RAW);
>
> That would have a value if set or null if not set.  It also allows you to
> validate it using filters if you wanted to.  This of course only works wi=
th
> GPC variables, but it is a great solution.
>
> Brian.
> --------
> http://brian.moonspot.net/


Can this be turned into a userland function?

Olafur


>
>
> On 5/12/09 11:35 AM, =D3lafur Waage wrote:
>
>> While researching for this suggestion I found this rfc proposal regardin=
g
>> ifsetor() ( http://wiki.php.net/rfc/ifsetor?s[]=3Disset<
>> http://wiki.php.net/rfc/ifsetor?s%5B%5D=3Disset>)
>> and it's rejection point was that it was currently not possible (
>> http://marc.info/?l=3Dphp-internals&m=3D108931281901389&w=3D2 )
>>
>> But would it be possible to check for a value of a variable if it is set=
?
>>
>> Since I often do (and see others do)
>>
>> if(isset($_GET["foo"])&&  $_GET["foo"] =3D=3D "bar")
>> or even worse
>> if((isset($_GET["foo"])&&  $_GET["foo"] =3D=3D "bar") ||
>> (isset($_GET["baz"])&&
>> $_GET["baz"] =3D=3D "bat"))
>>
>> to be able to do something like this
>>
>> if(isset($_GET["foo"]) =3D=3D "bar")
>> or
>> if(isset($_GET["foo"]) =3D=3D "bar" || isset($_GET["baz"]) =3D=3D "bat")
>>
>> That isset (or some other language construct) would return the variable =
if
>> it were set and false if it was not.
>>
>> Thanks for your time, i know this has probably been talked to death in o=
ne
>> form or other.
>>
>> =D3lafur Waage
>> olafurw@gmail.com
>>
>>

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