| Re: unset multidimensional array element [message #180532 is a reply to message #180531] |
Sun, 24 February 2013 01:40   |
cate
Messages: 12
Registered: January 2012
Karma:
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Junior Member |
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On Feb 23, 7:34 pm, Jerry Stuckle <jstuck...@attglobal.net> wrote:
> On 2/23/2013 8:24 PM, cate wrote:
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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:
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>>>> >> 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.
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>>>> >> array (
>>>> >> array (1, 2, 3),
>>>> >> array (4, 5, 6),
>>>> >> array (7, 8, 9)
>>>> >> )
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>>>> > 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.
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>> Never an need for order (mumeric) is quite a statement. :-)
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> First of all, I said "VERY SELDOM" - not never. There are exceptions.
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> It's all about knowing the language and using the appropriate features.
> It works quite well.
>
> P.S. Please learn to trim signatures. They shouldn't be copied. Thanks.
lol - It was my CNN mode. Thanks again.
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