pluckMany dotted key support

src/Macros/PluckMany.php

@@ -2,7 +2,6 @@
 
 namespace Spatie\CollectionMacros\Macros;
 
-use ArrayAccess;
 use Illuminate\Support\Arr;
 use Illuminate\Support\Collection;
 
@@ -25,21 +24,28 @@ public function __invoke()
 
             return $this->map(function ($item) use ($keys) {
                 if ($item instanceof Collection) {
+                    if (Arr::accessible($item->all()))
+                        return new static(pluckManyHelper($item->all(), $keys));
                     return $item->only($keys);
                 }
 
-                if (is_array($item)) {
-                    return Arr::only($item, $keys);
+                if (Arr::accessible($item)) {
+                    return pluckManyHelper($item, $keys);
                 }
 
-                if ($item instanceof ArrayAccess) {
-                    return collect($keys)->mapWithKeys(function ($key) use ($item) {
-                        return [$key => $item[$key]];
-                    })->toArray();
-                }
+                // ArrayAccess handling not required, Arr::accessible includes it.
 
-                return (object) Arr::only(get_object_vars($item), $keys);
+                return (object) pluckManyHelper(get_object_vars($item), $keys);
             });
         };
     }
 }
+
+function pluckManyHelper($item, $keys): array {
+    $result = [];
+    foreach ($keys as $key) {
+        if (Arr::has($item, $key))
+            $result[$key] = Arr::get($item, $key);
+    }
+    return $result;
+}

tests/Macros/PluckManyTest.php

@@ -40,3 +40,39 @@
         ['name' => 'belle', 'hobby' => 'cross-stitch'],
     ]);
 });
+
+it('can pluck dot-notated keys from a collection of collections', function () {
+    $data = Collection::make([
+        collect(['id' => 1, 'name' => 'matt', 'info' => ['hobby' => 'coding']]),
+        collect(['id' => 2, 'name' => 'tomo', 'info' => ['hobby' => 'cooking']]),
+    ]);
+
+    expect($data->pluckMany(['name', 'info.hobby']))->toEqual(collect([
+        collect(['name' => 'matt', 'info.hobby' => 'coding']),
+        collect(['name' => 'tomo', 'info.hobby' => 'cooking'])
+    ]));
+});
+
+it('can pluck dot-notated keys from array and object items', function () {
+    $data = Collection::make([
+        (object) ['id' => 1, 'name' => 'matt', 'info' => ['hobby' => 'coding']],
+        ['id' => 2, 'name' => 'tomo', 'info' => ['hobby' => 'cooking']],
+    ]);
+
+    expect($data->pluckMany(['name', 'info.hobby'])->all())->toEqual([
+        (object) ['name' => 'matt', 'info.hobby' => 'coding'],
+        ['name' => 'tomo', 'info.hobby' => 'cooking'],
+    ]);
+});
+
+it('can pluck dot-notated keys from objects that implement array access interface', function () {
+    $data = Collection::make([
+        new TestArrayAccessImplementation(['id' => 1, 'name' => 'marco', 'info' => ['hobby' => 'drinking']]),
+        new TestArrayAccessImplementation(['id' => 2, 'name' => 'belle', 'info' => ['hobby' => 'cross-stitch']]),
+    ]);
+
+    expect($data->pluckMany(['name', 'info.hobby'])->all())->toEqual([
+        ['name' => 'marco', 'info.hobby' => 'drinking'],
+        ['name' => 'belle', 'info.hobby' => 'cross-stitch'],
+    ]);
+});