Sort array by keys of another array.
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by marbrun
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Published on 2010-04-21T17:13:08Z
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2010/04/21
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Hello
There are 2 arrays, both with the same length and with the same keys:
$a1 = [1=>2000,65=>1354,103=>1787];
$a2 = [1=>'hello',65=>'hi',103=>'goodevening'];
asort($a1);
The keys of a1 and a2 are id's from a database.
a1 gets sorted by value. Once sorted, how can we use the same sorting order in a2?
Thanks!
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