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msd2/tracking/piwik/core/Container/StaticContainer.php

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+<?php
+/**
+ * Piwik - free/libre analytics platform
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ */
+
+namespace Piwik\Container;
+
+use DI\Container;
+
+/**
+ * This class provides a static access to the container.
+ *
+ * @deprecated This class is introduced only to keep BC with the current static architecture. It will be removed in 3.0.
+ *     - it is global state (that class makes the container a global variable)
+ *     - using the container directly is the "service locator" anti-pattern (which is not dependency injection)
+ */
+class StaticContainer
+{
+    /**
+     * @var Container[]
+     */
+    private static $containerStack = array();
+
+    /**
+     * Definitions to register in the container.
+     *
+     * @var array[]
+     */
+    private static $definitions = array();
+
+    /**
+     * @return Container
+     */
+    public static function getContainer()
+    {
+        if (empty(self::$containerStack)) {
+            throw new ContainerDoesNotExistException("The root container has not been created yet.");
+        }
+
+        return end(self::$containerStack);
+    }
+
+    public static function clearContainer()
+    {
+        self::pop();
+    }
+
+    /**
+     * Only use this in tests.
+     *
+     * @param Container $container
+     */
+    public static function push(Container $container)
+    {
+        self::$containerStack[] = $container;
+    }
+
+    public static function pop()
+    {
+        array_pop(self::$containerStack);
+    }
+
+    public static function addDefinitions(array $definitions)
+    {
+        self::$definitions[] = $definitions;
+    }
+
+    /**
+     * Proxy to Container::get()
+     *
+     * @param string $name Container entry name.
+     * @return mixed
+     * @throws \DI\NotFoundException
+     */
+    public static function get($name)
+    {
+        return self::getContainer()->get($name);
+    }
+
+    public static function getDefinitions()
+    {
+        return self::$definitions;
+    }
+}