NYCPHP Meetup

[Timothy Boyden]

Scott,

That worked great!

Thanks,

Tim 

-----Original Message-----
From: talk-bounces at lists.nyphp.org [mailto:talk-bounces at lists.nyphp.org]
On Behalf Of Scott Trudeau
Sent: Monday, May 07, 2007 11:49 AM
To: NYPHP Talk
Subject: Re: [nycphp-talk] How to sort a multi-dimensional array by a
given key?

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
>
>
>
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>
>
>
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>
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>
>
>
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>
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>
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>
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>
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>
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