<?php
$a = [
'2019-09-28' => [
'A' => 4,
'B' => 85,
'C' => 200
],
'2019-09-29' => [
'A' => 5,
'B' => 83,
'C' =>202
]
];
array_walk($a, function($v,$k) use (&$r){
array_walk($v,function($v1,$k1) use (&$r,$k){
$r[$k1][$k] = $v1;
});
});
print_r($r);
- Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
- Array
(
[A] => Array
(
[2019-09-28] => 4
[2019-09-29] => 5
)
[B] => Array
(
[2019-09-28] => 85
[2019-09-29] => 83
)
[C] => Array
(
[2019-09-28] => 200
[2019-09-29] => 202
)
)
- Output for 8.3.5
- Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
Array
(
[A] => Array
(
[2019-09-28] => 4
[2019-09-29] => 5
)
[B] => Array
(
[2019-09-28] => 85
[2019-09-29] => 83
)
[C] => Array
(
[2019-09-28] => 200
[2019-09-29] => 202
)
)
preferences:
110.02 ms | 402 KiB | 212 Q