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Date: Tue, 16 Mar 2010 13:46:57 +0000
Message-ID: <10845a341003160646g39687b31nec6627a5d5ea41f7@mail.gmail.com>
To: Felix De Vliegher <felix.devliegher@gmail.com>
Cc: PHP internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] array_seek function
From: rquadling@googlemail.com (Richard Quadling)

On 16 March 2010 13:30, Felix De Vliegher <felix.devliegher@gmail.com> wrot=
e:
> Hi all
>
> I recently needed seek functionality in arrays, and couldn't find it in t=
he regular set of array functions, so I wrote a function for it. (Seek =3D =
getting an array value based on the position (or offset, if you want to cal=
l it like that), and not the key of the item)
>
> Basically you can use it like this:
> $input =3D array(3, 'bar', 'baz');
> echo array_seek($input, 2); // returns 'baz'
> echo array_seek($input, 0); // returns 3
> echo array_seek($input, 5); // returns NULL, emits an out of range warnin=
g
>
> I was wondering if it's useful to add this to the family of array functio=
ns. I know there is a somewhat similar thing in SPL (ArrayIterator::seek), =
but that doesn't work exactly like what I was aiming for.
>
> Attached is a patch for the function against the 5.3 branch. If approved,=
 I could add it to svn + testcases + docs. Feedback please :-)
>
>
> Kind regards,
> Felix
>
>
>
> --
> PHP Internals - PHP Runtime Development Mailing List
> To unsubscribe, visit: http://www.php.net/unsub.php
>

Maybe not as efficient as it could be but ...

<?php
$input =3D array('One' =3D> 'Itchy', 'Two' =3D> 'Knee', 'Three' =3D> 'San',
'Four' =3D> 'She');

echo @reset(array_keys(array_values($input), 'Knee'));

Richard.
--=20
-----
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