<?php
$arr = [
1,3,1,8,9,7,2,6,4
];
print_r($arr);
uasort($arr, function($a, $b){
return abs(3-$a) - abs(3-$b);
});
print_r($arr);
- Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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
- Array
(
[0] => 1
[1] => 3
[2] => 1
[3] => 8
[4] => 9
[5] => 7
[6] => 2
[7] => 6
[8] => 4
)
Array
(
[1] => 3
[6] => 2
[8] => 4
[0] => 1
[2] => 1
[7] => 6
[5] => 7
[3] => 8
[4] => 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
Array
(
[0] => 1
[1] => 3
[2] => 1
[3] => 8
[4] => 9
[5] => 7
[6] => 2
[7] => 6
[8] => 4
)
Array
(
[1] => 3
[6] => 2
[8] => 4
[0] => 1
[2] => 1
[7] => 6
[5] => 7
[3] => 8
[4] => 9
)
- Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
- Array
(
[0] => 1
[1] => 3
[2] => 1
[3] => 8
[4] => 9
[5] => 7
[6] => 2
[7] => 6
[8] => 4
)
Array
(
[1] => 3
[6] => 2
[8] => 4
[2] => 1
[0] => 1
[7] => 6
[5] => 7
[3] => 8
[4] => 9
)
preferences:
203.58 ms | 402 KiB | 229 Q