<?php
$a = ['foo-test' => [1], '-' => [2], 'bar-test' => [3]];
uksort($a, function($x, $y) use (&$a) {
var_dump($a);
if (!isset($a[$x])) {
throw new Exception("Key '{$x}' not found.");
}
if (!isset($a[$y])) {
throw new Exception("Key '{$y}' not found.");
}
return $x < $y;
});
- Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
- array(3) {
["foo-test"]=>
array(1) {
[0]=>
int(1)
}
["-"]=>
array(1) {
[0]=>
int(2)
}
["bar-test"]=>
array(1) {
[0]=>
int(3)
}
}
Deprecated: uksort(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /in/ZKA13 on line 4
array(3) {
["foo-test"]=>
array(1) {
[0]=>
int(1)
}
["-"]=>
array(1) {
[0]=>
int(2)
}
["bar-test"]=>
array(1) {
[0]=>
int(3)
}
}
array(3) {
["foo-test"]=>
array(1) {
[0]=>
int(1)
}
["-"]=>
array(1) {
[0]=>
int(2)
}
["bar-test"]=>
array(1) {
[0]=>
int(3)
}
}
array(3) {
["foo-test"]=>
array(1) {
[0]=>
int(1)
}
["-"]=>
array(1) {
[0]=>
int(2)
}
["bar-test"]=>
array(1) {
[0]=>
int(3)
}
}
array(3) {
["foo-test"]=>
array(1) {
[0]=>
int(1)
}
["-"]=>
array(1) {
[0]=>
int(2)
}
["bar-test"]=>
array(1) {
[0]=>
int(3)
}
}
- 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(3) {
["foo-test"]=>
array(1) {
[0]=>
int(1)
}
["-"]=>
array(1) {
[0]=>
int(2)
}
["bar-test"]=>
array(1) {
[0]=>
int(3)
}
}
Deprecated: uksort(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /in/ZKA13 on line 4
array(3) {
["foo-test"]=>
array(1) {
[0]=>
int(1)
}
["-"]=>
array(1) {
[0]=>
int(2)
}
["bar-test"]=>
array(1) {
[0]=>
int(3)
}
}
array(3) {
["foo-test"]=>
array(1) {
[0]=>
int(1)
}
["-"]=>
array(1) {
[0]=>
int(2)
}
["bar-test"]=>
array(1) {
[0]=>
int(3)
}
}
array(3) {
["foo-test"]=>
array(1) {
[0]=>
int(1)
}
["-"]=>
array(1) {
[0]=>
int(2)
}
["bar-test"]=>
array(1) {
[0]=>
int(3)
}
}
array(3) {
["foo-test"]=>
array(1) {
[0]=>
int(1)
}
["-"]=>
array(1) {
[0]=>
int(2)
}
["bar-test"]=>
array(1) {
[0]=>
int(3)
}
}
- Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
- array(3) {
["foo-test"]=>
array(1) {
[0]=>
int(1)
}
["-"]=>
array(1) {
[0]=>
int(2)
}
["bar-test"]=>
array(1) {
[0]=>
int(3)
}
}
Deprecated: uksort(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /in/ZKA13 on line 15
array(3) {
["foo-test"]=>
array(1) {
[0]=>
int(1)
}
["-"]=>
array(1) {
[0]=>
int(2)
}
["bar-test"]=>
array(1) {
[0]=>
int(3)
}
}
array(3) {
["foo-test"]=>
array(1) {
[0]=>
int(1)
}
["-"]=>
array(1) {
[0]=>
int(2)
}
["bar-test"]=>
array(1) {
[0]=>
int(3)
}
}
array(3) {
["foo-test"]=>
array(1) {
[0]=>
int(1)
}
["-"]=>
array(1) {
[0]=>
int(2)
}
["bar-test"]=>
array(1) {
[0]=>
int(3)
}
}
array(3) {
["foo-test"]=>
array(1) {
[0]=>
int(1)
}
["-"]=>
array(1) {
[0]=>
int(2)
}
["bar-test"]=>
array(1) {
[0]=>
int(3)
}
}
- Output for 7.0.6 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
- array(3) {
["foo-test"]=>
array(1) {
[0]=>
int(1)
}
["-"]=>
array(1) {
[0]=>
int(2)
}
["bar-test"]=>
array(1) {
[0]=>
int(3)
}
}
array(3) {
["foo-test"]=>
array(1) {
[0]=>
int(1)
}
["-"]=>
array(1) {
[0]=>
int(2)
}
["bar-test"]=>
array(1) {
[0]=>
int(3)
}
}
array(3) {
["foo-test"]=>
array(1) {
[0]=>
int(1)
}
["-"]=>
array(1) {
[0]=>
int(2)
}
["bar-test"]=>
array(1) {
[0]=>
int(3)
}
}
- Output for 7.0.0 - 7.0.5
- array(3) {
["foo-test"]=>
array(1) {
[0]=>
int(1)
}
["-"]=>
array(1) {
[0]=>
int(2)
}
["bar-test"]=>
array(1) {
[0]=>
int(3)
}
}
array(3) {
["foo-test"]=>
array(1) {
[0]=>
int(1)
}
["-"]=>
array(1) {
[0]=>
int(2)
}
["bar-test"]=>
array(1) {
[0]=>
int(3)
}
}
array(3) {
["foo-test"]=>
array(1) {
[0]=>
int(1)
}
["bar-test"]=>
array(1) {
[0]=>
int(3)
}
["-"]=>
array(1) {
[0]=>
int(2)
}
}
Fatal error: Uncaught Exception: Key 'bar-test' not found. in /in/ZKA13:11
Stack trace:
#0 [internal function]: {closure}('foo-test', 'bar-test')
#1 /in/ZKA13(15): uksort(Array, Object(Closure))
#2 {main}
thrown in /in/ZKA13 on line 11
Process exited with code 255. - Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
- array(3) {
["foo-test"]=>
array(1) {
[0]=>
int(1)
}
["-"]=>
array(1) {
[0]=>
int(2)
}
["bar-test"]=>
array(1) {
[0]=>
int(3)
}
}
array(3) {
["foo-test"]=>
array(1) {
[0]=>
int(1)
}
["-"]=>
array(1) {
[0]=>
int(2)
}
["bar-test"]=>
array(1) {
[0]=>
int(3)
}
}
array(3) {
["foo-test"]=>
array(1) {
[0]=>
int(1)
}
["-"]=>
array(1) {
[0]=>
int(2)
}
["bar-test"]=>
array(1) {
[0]=>
int(3)
}
}
Warning: uksort(): Array was modified by the user comparison function in /in/ZKA13 on line 15
preferences:
223.1 ms | 402 KiB | 330 Q