update: add a object stroage tool

Author: inhere

src/ObjectStorage.php

@@ -0,0 +1,70 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: inhere
+ * Date: 2018-01-30
+ * Time: 14:56
+ */
+
+namespace MyLib\ObjUtil;
+
+/**
+ * Class ObjectStorage
+ *  - 允许使用非对象作为key，会自动使用 \stdClass 转成对象
+ * @package MyLib\ObjUtil
+ */
+class ObjectStorage extends \SplObjectStorage
+{
+    /**
+     * @param mixed $key
+     * @param null $data
+     */
+    public function attach($key, $data = null)
+    {
+        if (!\is_object($key)) {
+            $raw = $key;
+            $key = new \stdClass();
+            $key->value = $raw;
+        }
+
+        parent::attach($key, $data);
+    }
+
+    /**
+     * @param mixed $key
+     */
+    public function detach($key)
+    {
+        if (!\is_object($key)) {
+            $raw = $key;
+            $key = new \stdClass();
+            $key->value = $raw;
+        }
+
+        parent::detach($key);
+    }
+
+    /**
+     * @param mixed $key
+     * @return bool
+     */
+    public function contains($key)
+    {
+        if (!\is_object($key)) {
+            $raw = $key;
+            $key = new \stdClass();
+            $key->value = $raw;
+        }
+
+        return parent::contains($key);
+    }
+
+    /**
+     * @param mixed $key
+     * @return bool
+     */
+    public function has($key): bool
+    {
+        return $this->contains($key);
+    }
+}