更新代码

vendor/symfony/cache/Traits/ArrayTrait.php

@@ -0,0 +1,108 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Cache\Traits;
+
+use Psr\Log\LoggerAwareTrait;
+use Symfony\Component\Cache\CacheItem;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ *
+ * @internal
+ */
+trait ArrayTrait
+{
+    use LoggerAwareTrait;
+
+    private $storeSerialized;
+    private $values = array();
+    private $expiries = array();
+
+    /**
+     * Returns all cached values, with cache miss as null.
+     *
+     * @return array
+     */
+    public function getValues()
+    {
+        return $this->values;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function hasItem($key)
+    {
+        CacheItem::validateKey($key);
+
+        return isset($this->expiries[$key]) && ($this->expiries[$key] > time() || !$this->deleteItem($key));
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function clear()
+    {
+        $this->values = $this->expiries = array();
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function deleteItem($key)
+    {
+        CacheItem::validateKey($key);
+
+        unset($this->values[$key], $this->expiries[$key]);
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function reset()
+    {
+        $this->clear();
+    }
+
+    private function generateItems(array $keys, $now, $f)
+    {
+        foreach ($keys as $i => $key) {
+            try {
+                if (!$isHit = isset($this->expiries[$key]) && ($this->expiries[$key] > $now || !$this->deleteItem($key))) {
+                    $this->values[$key] = $value = null;
+                } elseif (!$this->storeSerialized) {
+                    $value = $this->values[$key];
+                } elseif ('b:0;' === $value = $this->values[$key]) {
+                    $value = false;
+                } elseif (false === $value = unserialize($value)) {
+                    $this->values[$key] = $value = null;
+                    $isHit = false;
+                }
+            } catch (\Exception $e) {
+                CacheItem::log($this->logger, 'Failed to unserialize key "{key}"', array('key' => $key, 'exception' => $e));
+                $this->values[$key] = $value = null;
+                $isHit = false;
+            }
+            unset($keys[$i]);
+
+            yield $key => $f($key, $value, $isHit);
+        }
+
+        foreach ($keys as $key) {
+            yield $key => $f($key, null, false);
+        }
+    }
+}