<?php
$objects = [
(object)["name" => "Name1", "key" => "key1"],
(object)["name" => "Name2", "key" => "key2"],
(object)["name" => "Name3", "key" => "key3"],
];
$keys = ["key3", "key1"];
$lookup = array_flip($keys);
$fallback = count($keys);
usort($objects, fn($a, $b) => ($lookup[$a->key] ?? $fallback) <=> ($lookup[$b->key] ?? $fallback));
var_export($objects);
- Output for 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 (
0 =>
(object) array(
'name' => 'Name3',
'key' => 'key3',
),
1 =>
(object) array(
'name' => 'Name1',
'key' => 'key1',
),
2 =>
(object) array(
'name' => 'Name2',
'key' => 'key2',
),
)
- 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 =>
(object) array(
'name' => 'Name3',
'key' => 'key3',
),
1 =>
(object) array(
'name' => 'Name1',
'key' => 'key1',
),
2 =>
(object) array(
'name' => 'Name2',
'key' => 'key2',
),
)
- Output for 7.3.0 - 7.3.33
- Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW), expecting ')' in /in/7N1iN on line 13
Process exited with code 255. - Output for 7.2.0 - 7.2.34
- Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW), expecting ',' or ')' in /in/7N1iN on line 13
Process exited with code 255.
preferences:
108.39 ms | 401 KiB | 193 Q