<?php
function array_group($array, $callable) {
$result = array();
foreach ($array as $key => $value) {
$key = $callable($key, $value);
if (!isset($result[$key])) {
$result[$key] = array();
}
$result[$key][] = $value;
}
return $result;
}
$arr = range(1,10);
var_dump(array_group($arr, function($key, $value) { return intval($value % 3); }));
- Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 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(3) {
[1]=>
array(4) {
[0]=>
int(1)
[1]=>
int(4)
[2]=>
int(7)
[3]=>
int(10)
}
[2]=>
array(3) {
[0]=>
int(2)
[1]=>
int(5)
[2]=>
int(8)
}
[0]=>
array(3) {
[0]=>
int(3)
[1]=>
int(6)
[2]=>
int(9)
}
}
- Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
- Parse error: syntax error, unexpected T_FUNCTION in /in/ZY8GP on line 17
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 T_FUNCTION in /in/ZY8GP on line 17
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/ZY8GP on line 17
Process exited with code 255.
preferences:
280.49 ms | 401 KiB | 369 Q