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Posted by Paul on 10/16/07 10:00
"ZeldorBlat" <zeldorblat@gmail.com> schreef in bericht
news:1192478692.496334.152780@v29g2000prd.googlegroups.com...
> On Oct 15, 3:20 pm, "Paul" <piet...@xs4all.nl> wrote:
>> How can I sort a multi-dimensional array?
>> For instance:
>> a[Name], a[adress], a[number of messages].
>>
>> How to sort on the item of number of messages?
>>
>> Thanks for the help.
>
> Something like this (untested):
>
> usort($a, create_function('$a1,$a2', 'return $a1["number of messages"]
> - $a2["number of messages"];'));
>
Thanks. My solution:
usort ($a, "mysort");
function mysort ($a, $b) {
if ($a['number of messages']<$b['number of messages']) return -1;
else if ($a['number of messages']>$b['number of messages']) return 1;
return 0;
}
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