add toArray method

Author: doganoo

src/Datastructure/Lists/ArrayList/ArrayList.php

@@ -485,7 +485,6 @@ public function sort(): bool {
             return $value !== null;
         }, ARRAY_FILTER_USE_BOTH);
 
-
         $timSort = new TimSort();
         $array   = $timSort->sort($array);
 
@@ -499,6 +498,21 @@ public function sort(): bool {
         return true;
     }
 
+    /**
+     * Returns the content as an array
+     *
+     * @return array
+     */
+    public function toArray(): array {
+        return array_filter(
+            $this->array
+            , static function ($value, $key) {
+            return $value !== null;
+        }
+            , ARRAY_FILTER_USE_BOTH
+        );
+    }
+
     /**
      * Specify data which should be serialized to JSON
      *

tests/Lists/ArrayList/ArrayListTest.php

@@ -264,4 +264,17 @@ public function testSort() {
         $this->assertTrue(6 === $arrayList->get(5));
     }
 
+    public function testToArray(): void {
+        $arrayList = new ArrayList();
+        $arrayList->add(1);
+        $arrayList->add(2);
+        $arrayList->add(3);
+        $arrayList->add(4);
+        $arrayList->add(5);
+
+        $this->assertTrue(
+            [1, 2, 3, 4, 5] === $arrayList->toArray()
+        );
+    }
+
 }