<?php
$reasons = [
"1" => [
"101" => "reason1",
"102" => "reason2",
],
"2" => [
"201" => "reason3",
"202" => "reason4",
],
];
$newReasons = array_reduce($reasons, function ($list, $item) {
// 配列のキーを維持するため + で結合
return $list + $item;
}, []);
var_dump($newReasons);
- Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.26, 8.2.0 - 8.2.13, 8.3.0
- array(4) {
[101]=>
string(7) "reason1"
[102]=>
string(7) "reason2"
[201]=>
string(7) "reason3"
[202]=>
string(7) "reason4"
}
- Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
- Parse error: syntax error, unexpected '[' in /in/RGPH7 on line 3
Process exited with code 255. - Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
- Parse error: parse error, unexpected '[' in /in/RGPH7 on line 3
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/RGPH7 on line 3
Process exited with code 255.
preferences:
142.57 ms | 405 KiB | 456 Q