<?php
$input = [
[6,3,9],
[9,1,6],
[4,7,9]
];
echo "input array: ";
print_r($input);
$sort_keys = $input[0];
asort($sort_keys);
$sorted = array_map(function($row) use ($sort_keys){
foreach ($sort_keys as $key => $value) {
$result[] = $row[$key];
}
return $result;
}, $input);
echo "sorted array: ";
print_r($sorted);
- Output for 5.5.0 - 5.5.37, 5.6.0 - 5.6.23, 7.0.0 - 7.0.20, 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 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
- input array: Array
(
[0] => Array
(
[0] => 6
[1] => 3
[2] => 9
)
[1] => Array
(
[0] => 9
[1] => 1
[2] => 6
)
[2] => Array
(
[0] => 4
[1] => 7
[2] => 9
)
)
sorted array: Array
(
[0] => Array
(
[0] => 3
[1] => 6
[2] => 9
)
[1] => Array
(
[0] => 1
[1] => 9
[2] => 6
)
[2] => Array
(
[0] => 7
[1] => 4
[2] => 9
)
)
- 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
input array: Array
(
[0] => Array
(
[0] => 6
[1] => 3
[2] => 9
)
[1] => Array
(
[0] => 9
[1] => 1
[2] => 6
)
[2] => Array
(
[0] => 4
[1] => 7
[2] => 9
)
)
sorted array: Array
(
[0] => Array
(
[0] => 3
[1] => 6
[2] => 9
)
[1] => Array
(
[0] => 1
[1] => 9
[2] => 6
)
[2] => Array
(
[0] => 7
[1] => 4
[2] => 9
)
)
preferences:
201.73 ms | 403 KiB | 247 Q