Add Arr::filterValue method to filter array value in recursive way

Author: nguereza-tony

src/Helper/Arr.php

@@ -658,6 +658,24 @@ public static function isSubset(
         return true;
     }
 
+    /**
+     * Filter array values
+     * @param array<mixed> $array
+     * @return array<mixed>
+     */
+    public static function filterValue(array $array): array
+    {
+        foreach ($array as $key => &$value) {
+            if (is_array($value)) {
+                // Recursively filter the sub-array
+                $value = self::filterValue($value);
+            }
+        }
+
+        // Filter the current level, removing empty values and arrays
+        return array_filter($array);
+    }
+
     /**
      * Filters array according to rules specified.
      * @param array<mixed> $array

tests/Helper/ArrTest.php

@@ -219,6 +219,21 @@ public function testNormalizeArgumentsDefault(): void
     public function commonDataProvider(): array
     {
         return [
+          [
+              'filterValue',
+              [[2, 4, 5]],
+              [2, 4, 5]
+          ],
+          [
+              'filterValue',
+              [[2, 4, 5, null, 'a' => 2, '']],
+              [2, 4, 5, 'a' => 2]
+          ],
+          [
+              'filterValue',
+              [['a' => [2, null], [1, 2]]],
+              ['a' => [2], [1, 2]]
+          ],
           [
               'first',
               [[2, 4, 5]],