| 1 | <?php | ||
| 5 | class Arr | ||
| 6 | { | ||
| 7 | 3 | public static function filter(array $array, callable $callback): array | |
| 11 | |||
| 12 | 44 | public static function map(array $array, callable $callback): array | |
| 20 | |||
| 21 | 13 | public static function flatMap(array $array, callable $callback): array | |
| 37 | |||
| 38 | 41 | public static function pull(&$array, $key, $default = null) | |
| 46 | |||
| 47 | 41 | public static function mirror(array $array): array | |
| 51 | |||
| 52 | 38 | public static function createUniquePairs(array $array): array | |
| 64 | } | ||
| 65 | 
Our type inference engine in quite powerful, but sometimes the code does not provide enough clues to go by. In these cases we request you to add a
@returnannotation as described here.