- Added Arrays::walk to deeply walk an array or object properties (br…

…anches and leafs)

- Coding standards

src/Arrays.php

@@ -83,6 +83,32 @@ public static function unset(array &$array, $path)
         unset($array[$key]);
     }
 
+    /**
+     * @param array|object $object
+     * @param callable $callback
+     * @param string[] $visitedObjects
+     */
+    public static function walk($object, callable $callback, array $visitedObjects = [])
+    {
+        array_walk($object, function (&$value, string $property) use ($object, $callback, $visitedObjects) {
+            if (is_object($value)) {
+                $hash = spl_object_hash($value);
+
+                if (isset($visitedObjects[$hash])) {
+                    return;
+                }
+
+                $visitedObjects[$hash] = true;
+            }
+
+            if (call_user_func_array($callback, [&$value, $property, $object]) !== false) {
+                if (is_array($value) || is_object($value)) {
+                    self::walk($value, $callback, $visitedObjects);
+                }
+            }
+        });
+    }
+
     public static function iterableToArray(iterable $iterable): array
     {
         if (is_array($iterable)) {

src/Enum.php

@@ -190,6 +190,7 @@ final public function __wakeup()
      * Prevents implementing of the \Serializable interface.
      *
      * @codeCoverageIgnore
+     * @phpcsSuppress SlevomatCodingStandard.Classes.UnusedPrivateElements.UnusedMethod
      */
     private function unserialize()
     {}

tests/Fixtures/SerializableWakeableSleeper.php

@@ -24,6 +24,7 @@ public function serialize(): string
 
     /**
      * @param string $serialized
+     * @phpcsSuppress SlevomatCodingStandard.TypeHints.TypeHintDeclaration.MissingParameterTypeHint
      */
     public function unserialize($serialized)
     {