<?php
$a = [
['l' => 1, 's' => 'a'],
['l' => 2, 's' => 'a'],
['l' => 3, 's' => 'b'],
];
$processed = [];
foreach ($a as $v) {
$processed[$v['s']][] = $v['l'];
}
$processed = array_map(function($v) {return implode(',', $v);}, $processed);
print_r($processed);
- Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 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 - 8.3.6
- Array
(
[a] => 1,2
[b] => 3
)
- 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/6rdWG on line 4
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/6rdWG on line 4
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/6rdWG on line 4
Process exited with code 255.
preferences:
235.85 ms | 401 KiB | 329 Q