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extend/app_alipay/lotusphp_runtime/StoreMemory.php

@@ -0,0 +1,54 @@
+<?php
+class LtStoreMemory implements LtStore
+{
+	protected $stack;
+
+	public function add($key, $value)
+	{
+		if (isset($this->stack[$key]))
+		{
+			return false;
+		}
+		else
+		{
+			$this->stack[$key] = $value;
+			return true;
+		}
+	}
+
+	public function del($key)
+	{
+		if (isset($this->stack[$key]))
+		{
+			unset($this->stack[$key]);
+			return true;
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	public function get($key)
+	{
+		return isset($this->stack[$key]) ? $this->stack[$key] : false;
+	}
+
+	/**
+	 * key不存在返回false
+	 * 
+	 * @return bool 
+	 */
+	public function update($key, $value)
+	{
+		if (!isset($this->stack[$key]))
+		{
+			return false;
+		}
+		else
+		{
+			$this->stack[$key] = $value;
+			return true;
+		}
+	}
+}