<?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 - 5.4.19
- Parse error: syntax error, unexpected 'print_r' (T_STRING) in /in/UIlT0 on line 19
Process exited with code 255. - Output for 5.3.0 - 5.3.27
- Parse error: syntax error, unexpected '[' in /in/UIlT0 on line 4
Process exited with code 255.
preferences:
181.99 ms | 1394 KiB | 55 Q