<?php
function array_group(callable $eq, array $xs) {
$groupedXs = [];
$grouped = [$xs[0]];
if ($eq($xs[0], $xs[1])) {
$grouped[] = $xs[1];
} else {
$groupedXs = $grouped;
$grouped = [$xs[1]];
}
return $groupedXs;
}
var_dump(array_group(function ($a, $b) {
}, [[1, 'sold'], [2, 'registered'], [3, 'sold']]));
- Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 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(1) {
[0]=>
array(2) {
[0]=>
int(1)
[1]=>
string(4) "sold"
}
}
- Output for 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/0VCp6 on line 4
Process exited with code 255. - Output for 5.0.0 - 5.0.5
- Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/0VCp6 on line 3
Process exited with code 255. - Output for 4.4.2 - 4.4.9
- Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/0VCp6 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
- Parse error: parse error, unexpected T_STRING, expecting ')' in /in/0VCp6 on line 3
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error, expecting `')'' in /in/0VCp6 on line 3
Process exited with code 255.
preferences:
238.99 ms | 401 KiB | 343 Q