<?php
$array = [
'a' => ['id' => 20, 'name' => 'chimpanzee'],
'b' => ['id' => 40, 'name' => 'meeting'],
'c' => ['id' => 20, 'name' => 'dynasty'],
'd' => ['id' => 50, 'name' => 'chocolate'],
'e' => ['id' => 10, 'name' => 'bananas'],
'f' => ['id' => 50, 'name' => 'fantasy'],
'g' => ['id' => 50, 'name' => 'football']
];
asort($array);
var_export(
array_reduce(
array_keys($array),
function($result, $k) use ($array) {
$result[$array[$k]['id']][$k] = $array[$k];
return $result;
}
)
);
- 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
- array (
10 =>
array (
'e' =>
array (
'id' => 10,
'name' => 'bananas',
),
),
20 =>
array (
'a' =>
array (
'id' => 20,
'name' => 'chimpanzee',
),
'c' =>
array (
'id' => 20,
'name' => 'dynasty',
),
),
40 =>
array (
'b' =>
array (
'id' => 40,
'name' => 'meeting',
),
),
50 =>
array (
'd' =>
array (
'id' => 50,
'name' => 'chocolate',
),
'f' =>
array (
'id' => 50,
'name' => 'fantasy',
),
'g' =>
array (
'id' => 50,
'name' => 'football',
),
),
)
- 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/7hEGN 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/7hEGN on line 3
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/7hEGN on line 3
Process exited with code 255.
preferences:
105.51 ms | 410 KiB | 5 Q