<?php
$array =Array
(
869 => 87,
938 => 89,
870 => 127,
871 => 127,
940 => 127,
942 => 123,
947 => 123,
949 => 75
);
$return = array();
foreach ($array as $key => $value)
$return[$value][] = $key;
var_dump(array_values($return));
- Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- array(5) {
[0]=>
array(1) {
[0]=>
int(869)
}
[1]=>
array(1) {
[0]=>
int(938)
}
[2]=>
array(3) {
[0]=>
int(870)
[1]=>
int(871)
[2]=>
int(940)
}
[3]=>
array(2) {
[0]=>
int(942)
[1]=>
int(947)
}
[4]=>
array(1) {
[0]=>
int(949)
}
}
preferences:
253.28 ms | 405 KiB | 414 Q