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Date: Wed, 18 Apr 2012 08:01:40 +0200
Message-ID: <CAEU6NAcepMJ8ecvYBHujGM10vtaxTx5-fpuQTgqe5vSmo3JcLQ@mail.gmail.com>
To: Alexey Shein <confik@gmail.com>
Cc: Stas Malyshev <smalyshev@sugarcrm.com>, PHP Internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] [RFC] skipping optional parameters
From: peter.e.lind@gmail.com (Peter Lind)

On 18 April 2012 07:56, Alexey Shein <confik@gmail.com> wrote:

*snip*

>
> One question about implementation:
> Given we have this function
>> =C2=A0 function create_query($where, $order_by, $join_type=3D'', $execut=
e =3D false, $report_errors =3D true) {}
> and this statement
>> On the engine level, it will be implemented by putting NULL in the place=
 where the parameter is passed.
>
> what value $join_type will get on this call?
> create_query("deleted=3D0", "name",,, /*report_errors*/ true);
>
> NULL or empty string? I.e. will optional parameters always get NULLs
> or their default values?

It needs to be the default values, otherwise it will be a huge WTF for
developers.

With that in mind: +1 if default values are used when skipping
parameters, -1 if NULL is used when skipping parameters (not that I
have voting power, just showing preferences/support).

Regards
Peter

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