minwork/array
Minwork Array provides fast, well-tested helpers for nested, associative, and object arrays. Get/set/has plus map, filter, find, group, sort, and validation, with fluent-style chaining. No dependencies; modern PHP syntax.
Arr::group(array $array, string|int $key): array
Group array of arrays by value of element with specified key
$array = [
'a' => ['key1' => 'test1', 'key2' => 1, 'key3' => 'a'],
'b' => ['key1' => 'test1', 'key2' => 2],
2 => ['key1' => 'test2', 'key2' => 3, 'key3' => 'b']
];
Arr::group($array, 'key1') ->
[
'test1' => [
'a' => ['key1' => 'test1', 'key2' => 1, 'key3' => 'a'],
'b' => ['key1' => 'test1', 'key2' => 2]
],
'test2' => [
2 => ['key1' => 'test2', 'key2' => 3, 'key3' => 'b']
],
]
Arr::group($array, 'key2') ->
[
1 => [
'a' => ['key1' => 'test1', 'key2' => 1, 'key3' => 'a'],
],
2 => [
'b' => ['key1' => 'test1', 'key2' => 2]
],
3 => [
2 => ['key1' => 'test2', 'key2' => 3, 'key3' => 'b']
],
]
Arr::group($array, 'key3') ->
[
'a' => [
'a' => ['key1' => 'test1', 'key2' => 1, 'key3' => 'a']
],
'b' => [
2 => ['key1' => 'test2', 'key2' => 3, 'key3' => 'b']
],
]
Arr::group($array, 'key4') -> []
Arr::groupObjects(array $objects, string $method, ...$args): array
Group array of objects by value returned from specified method
$object1 = new class() {
function test() {
return 'test1';
}
};
$object2 = new class() {
function test() {
return 'test2';
}
};
Arr::groupObjects([$object1, $object2, $object1], 'test') ->
[
'test1' => [$object1, $object1],
'test2' => [$object2],
]
// This method is also very useful in conjunction with Arr::flattenSingle to assign unique key for each object
Arr::flattenSingle(Arr::groupObjects([$object1, $object2], 'test')) ->
[
'test1' => $object1,
'test2' => $object2,
]
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