| Re: unset multidimensional array element [message #180530 is a reply to message #180529] |
Sun, 24 February 2013 01:24   |
cate
Messages: 12
Registered: January 2012
Karma:
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Junior Member |
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On Feb 23, 7:21 pm, Jerry Stuckle <jstuck...@attglobal.net> wrote:
> On 2/23/2013 8:19 PM, cate wrote:
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>> On Feb 23, 7:17 pm, Jerry Stuckle <jstuck...@attglobal.net> wrote:
>>> On 2/23/2013 7:18 PM, cate wrote:
>
>>>> Is this correct?
>
>>>> I remove an element from a multidee array. Numeric Indexing then
>>>> fails because the it's no longer 0, 1, 2 but instead 0, 2 after the
>>>> unset. It seems the a numeric index has graduated to a key. (I
>>>> think I read that's the way php works)
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>>>> Do I have to repack this to get sequential indexing to work or is
>>>> there a php way to remove elements and maintain a "numeric" indexs?
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>>>> I suppose I could make it a rule to use the construct foreach, but I
>>>> do so love for(;;).
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>>>> Thank you in advance.
>
>>>> array (
>>>> array (1, 2, 3),
>>>> array (4, 5, 6),
>>>> array (7, 8, 9)
>>>> )
>
>>> All arrays in PHP are associative (hashes). If you remove an element,
>>> that key no longer exists.
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>>> You can renumber the array, or you can use operators like foreach(),
>>> current(), next(), etc. and not worry about the keys.
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>>> Very seldom do I need to care about the array indexes being in a
>>> specific order.
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>> I don't think there is any alternative in php. Thank you.
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> As I said - *in PHP* I very seldom need to care about the array indexes
> being in a specific order. There are many ways of doing things with
> arrays - and you don't even need a numeric index.
>
> --
> ==================
> Remove the "x" from my email address
> Jerry Stuckle
> JDS Computer Training Corp.
> jstuck...@attglobal.net
> ==================
Never an need for order (mumeric) is quite a statement. :-)
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