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Date: Wed, 15 Aug 2012 13:35:55 -0700
Message-ID: <CAKOpQSzKBRLO7SSW9x1D88UYQ1UH56bPMuAF9sdr=7-8+LstQg@mail.gmail.com>
To: Nikita Popov <nikita.ppv@gmail.com>
Cc: Stas Malyshev <smalyshev@sugarcrm.com>, Rasmus Schultz <rasmus@mindplay.dk>, 
	"internals@lists.php.net" <internals@lists.php.net>
Content-Type: multipart/alternative; boundary=f46d04428d96ad5c5b04c753df44
Subject: Re: [PHP-DEV] removing an item from an array
From: kris.craig@gmail.com (Kris Craig)

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On Wed, Aug 15, 2012 at 1:31 PM, Nikita Popov <nikita.ppv@gmail.com> wrote:

> On Wed, Aug 15, 2012 at 10:29 PM, Kris Craig <kris.craig@gmail.com> wrote:
> >>
> >> Btw, deleting all values (not just the first) is also very easy
> currently:
> >>
> >> foreach (array_keys($array, $delValue) as $key) {
> >>     unset($array[$key]);
> >> }
> >>
> >
> > Even easier still, just do this:
> >
> > $array_var = array();
>
> It's often overlooked, but array_keys has a second parameter that only
> returns the keys for a certain value: http://php.net/array_keys ;) So
> no, that does not clean off the whole array.
>
> Nikita
>

If you re-initialize it by setting it to array(), then yes that most
definitely will clear all the values in the array.  As far as I know,
array_keys() has nothing to do with that.

--Kris

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