Re: sort string beginning at index?
- From: "NC" <nc@xxxxxxxxx>
- Date: 29 Sep 2005 11:44:02 -0700
Stan McCann wrote:
>
> I need some recommendations as to how to go about sorting a string not
> from the beginning of the string, but from a given index into the
> string. I am reading a data file into an array using file(), then
> looping through the string which contains fields seperated by |. Do I
> have to explode each individual record to sort them using
> array_multisort()? What I was hoping for was something like sort
> ($array, SORT_STRING, 15) where 15 is the index into the string to sort
> on instead of starting at 0.
// Untested
function sort_starting_at_index($array, $index) {
$temp = array();
$newarray = array();
foreach ($array as $key=>$value) {
$temp[$key] = substr($value, $index);
}
asort($temp, SORT_STRING);
foreach ($temp as $key=>$value) {
$newarray[] = $array[$key];
}
return $newarray;
}
Cheers,
NC
.
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