NYCPHP Meetup

[Scott Trudeau]

I'm sure there's probably a better way to do this, but uasort() sorts
an array using a callback provided callback function for item
comparisons -- which you can use to compare the specific key you want
to sort by.  It seems like there should be a more generic way to do
this by providing the name of the key on which you want to sort.


$franchises['SCID1'] = SCNYC
$franchises['SCID1']['BusinessName'] = SuperCoups of NY City
$franchises['SCID1']['DistanceFromCustomer'] = 20
$franchises['SCID2'] = SCBUFF
$franchises['SCID2']['BusinessName'] = SuperCoups of Buffalo
$franchises['SCID2']['DistanceFromCustomer'] = 10

uasort($franchises, "cmp_distance");

function cmp_distance($a, $b) {
	if($a['DistanceFromCustomer'] == $b['DistanceFromCustomer']) return 0;	
	return ($a['DistanceFromCustomer'] < $b['DistanceFromCustomer']) ? -1 : 1;
}



On 5/7/07, Timothy Boyden <tboyden at supercoups.com> wrote:
>
>
> Hi All,
>
> I have a multi-dimensional array such as:
>
> $franchises['SCID1'] = SCNYC
> $franchises['SCID1']['BusinessName'] = SuperCoups of NY
> City
> $franchises['SCID1']['DistanceFromCustomer'] = 20
>
> $franchises['SCID2'] = SCBUFF
> $franchises['SCID2']['BusinessName'] = SuperCoups
> of Buffalo
> $franchises['SCID2']['DistanceFromCustomer'] = 10
>
> How can I sort this array so the businesses are sorted by the
> DistanceFromCustomer key?
>
> Thanks for the help in advance,
>
> Tim
>
>
> ---------------------------
> Timothy Boyden
>
> Network Administrator
>
> tboyden at supercoups.com
>
>
>
> SuperCoups(r)
>
>
>
> 350 Revolutionary Drive | E. Taunton, MA 02718
>
> 508-977-2034  | www.supercoups.com
>
>
>
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>
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>
> ---------------------------
>
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