#136808 - 2005-03-30 10:05 PM
Make JOIN() from left OR right.
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Shawn
Administrator
Registered: 1999-08-13
Posts: 8611
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Just ran into a thingy where I could have used the following:
The Join() function takes a third optional (positive) number indicating the number of array elements to join (from the beginning of the array) ...
Was thinking would be nice to be able to specify a negative number, indicating that the join works from the end (or tail-end of the array), inward. Kinda like:
Code:
break on
$array = 1,2,3,4
?"val=" join($array, "-", 2) ; produces 1-2
?"val=" join($array, "-", -2) ; currently produces 1-2-3-4, maybe have it do 3-4 instead ?
Anyway - really could have used this today - I know there are ways to achieve the desired result without this, but since negative numbers in the third argument aint supported anyways, doesn't hurt to think aloud.
-Shawn
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#136811 - 2005-03-30 11:33 PM
Re: Make JOIN() from left OR right.
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Bryce
KiX Supporter
Registered: 2000-02-29
Posts: 3167
Loc: Houston TX
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I had this come up a little while ago, where i only wanted the last X number of array items in a join statement.
joins a join($array,"-",-4) would have been better than this....
Code:
Function reversejoin($array,$d,$n)
If UBound($array)-$n > -1
For $N = UBound($array)-$n To UBound($array)
$reversejoin = "" + $reversejoin + $d + $array[$N]
Next
Else
$reversejoin = Join($array,$d)
EndIf
If SubSTR($reversejoin,1,1) = $d $reversejoin = SubSTR($reversejoin,2) EndIf
EndFunction
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