| Re: unset multidimensional array element [message #180527 is a reply to message #180526] |
Sun, 24 February 2013 01:17   |
Jerry Stuckle
Messages: 2598
Registered: September 2010
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Senior Member |
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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)
>
> 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?
>
> I suppose I could make it a rule to use the construct foreach, but I
> do so love for(;;).
>
> 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.
You can renumber the array, or you can use operators like foreach(),
current(), next(), etc. and not worry about the keys.
Very seldom do I need to care about the array indexes being in a
specific order.
==================
Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex(at)attglobal(dot)net
==================
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