On 14 March 2011 21:31, Paul M Foster <pa...@quillandmouse.com> wrote:
> Here's what I need to do: I have an indexed array, from which I need to
> delete elements in the middle. Once completed, the indexes should be
> numerically in sequence, as they were when I first encountered the
> array. That is:
> $arr = array(0 => 5, 1 => 6, 2 => 7, 3 => 8, 4 => 9, 5 => 10);
> $arr = array(0 => 5, 1 => 6, 2 => 9, 3 => 10);
> I've tried:
> 1) Using for() with unset(). Elements are deleted, but the indexes are
> no longer sequential.
> 2) Using for() with array_splice(). Understandably, deletes certain
> elements but not others.
> 3) Using foreach() with referenced array elements. Neither unset() nor
> array_splice() appear to have any effect on the array at all.
> 4) while() loop using current() and the like. But these array functions
> return values, not references, so the array isn't actually modified.
> 5) array_walk() with unset() array_splice(). No effect on the array.
> Anyone know how to do this, or know of a reference on how to?
Remove the elements, then use sort().
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