php array_multisort how to but the SORT_ASC and SORT_DESC into variables

Question

Hi im interested to let my query tell my web app how to sort an array.

Everything is working fine, but i can't figure out a clever way to have the URL (page.php?order=asc) grab that query with:

$order = $_GET['order'];

and put it into:

array_multisort($sort['name'], SORT_ASC, $array);

this doesnt seem to work:

$test = SORT_ASC;
array_multisort($sort['name'], $test, $array);

Had a hard time googling for this, so hopefully some smart brain here can help me out :) thank you

yes it is, sorry about that. Im mainly interested to know how to store the SORT_ASC and SORT_DESC in a variable — Malibur
– Malibur, Commented Nov 14, 2013 at 16:41
Sorry! It was me, I misunderstood the question =), But I guess I was surpised because you're defining a Constant, that's already a Constant - so why do you need it to be.. another Constant? — MackieeE
– MackieeE, Commented Nov 14, 2013 at 16:42

AbraCadaver · Accepted Answer · 2016-05-06 15:27:49Z

3

Your second code example using $test should work, I use that all the time. Here is how to use the asc from $_GET['order']:

$order = constant('SORT_' . strtoupper($_GET['order']));
array_multisort($sort['name'], $order, $array);

edited May 6, 2016 at 15:27

answered Nov 14, 2013 at 16:40

AbraCadaver

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2 Comments

Malibur Over a year ago

Thank you!! thats what i needed, so just so that i understand too, when i want to stare a constant value in a variable, i have to use constant()? and SORT_ASC is a constant?

AbraCadaver Over a year ago

Actually your second code example using $test should work. I use that all the time. I was just showing how to use the asc from the get var.

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