PHP sorting multidimensional array issue
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this is how my array look likes:
array(2) {
'yamaha' =>
array(2) {
'r1' =>
array(3) {
[0] =>
string(4) "2000"
[1] =>
string(4) "2001"
[2] =>
string(4) "1999"
}
'r2' =>
array(1) {
[0] =>
string(4) "2000"
}
}
'honda' =>
array(3) {
'ca-125' =>
array(2) {
[0] =>
string(4) "1996"
[1] =>
string(4) "1995"
}
'cb-1000-r' =>
array(4) {
[0] =>
string(4) "1993"
[1] =>
string(4) "1994"
[2] =>
string(4) "1995"
[3] =>
string(4) "1996"
}
'cb-1000-a' =>
array(6) {
[0] =>
string(4) "2008"
[1] =>
string(4) "2009"
[2] =>
string(4) "2010"
[3] =>
string(4) "2011"
[4] =>
string(4) "2012"
[5] =>
string(4) "2013"
}
}
}
I would like to sort it after alphabetical order. If I do aasort($myarray). It will sort after the first key. So I will get honda and yamaha. Which is correct, but I would like to also sort it after the type of the brand:cb-1000-r andcb-1000-a(alphabetically) and the year in a descending order. Can someone help me with this ? Thank you
[UPDATE]
This is my json. you can usejson_decode
{"B":{"r2":["1999","2001","2000"],"r1":["2000"]},"A":{"A1":["1996","1995"],"A3":["1993","1994","1995","1996"],"A2":["2008","2009","2010","2011","2012","2013"]}}
and I would like to get this json:
{"A":{"r1":["2000"],"r2":["2001","2000","1999"]},"B":{"A1":["1996","1995"],"A2":["2013","2012","2011","2010","2009","2008"],"A3":["1996","1995","1994","1993"]}}
Answer
Solution:
You'll need to loop through your nested arrays and sort each level of them:
$arr = json_decode('{"B":{"r2":["1999","2001","2000"],"r1":["2000"]},"A":{"A1":["1996","1995"],"A3":["1993","1994","1995","1996"],"A2":["2008","2009","2010","2011","2012","2013"]}}', true);
ksort($arr);
foreach ($arr as &$arr1) {
ksort($arr1);
foreach ($arr1 as &$arr2) {
rsort($arr2);
}
}
var_dump($arr);
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