symfony
diff --git a/‎src/Symfony/Component/Cache/Adapter/FilesystemAdapter.php
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+144Lines changed: 144 additions & 0 deletions b/‎src/Symfony/Component/Cache/Adapter/FilesystemAdapter.php
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+144Lines changed: 144 additions & 0 deletions
diff --git a/‎src/Symfony/Component/Cache/Tests/Adapter/FilesystemTest.php
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+30Lines changed: 30 additions & 0 deletions b/‎src/Symfony/Component/Cache/Tests/Adapter/FilesystemTest.php
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+30Lines changed: 30 additions & 0 deletions
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+<?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\Adapter;
+
+use Symfony\Component\Cache\Exception\InvalidArgumentException;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class FilesystemAdapter extends AbstractAdapter
+{
+    private $directory;
+
+    public function __construct($directory, $defaultLifetime = null)
+    {
+        parent::__construct('', $defaultLifetime);
+
+        $dir = rtrim($directory, '/'.DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR;
+
+        if (!file_exists($dir)) {
+            @mkdir($dir, 0777, true);
+        }
+        if (false === $dir = realpath($dir)) {
+            throw new InvalidArgumentException(sprintf('Cache directory does not exist (%s)', $directory));
+        }
+        if (!is_writable($dir .= DIRECTORY_SEPARATOR)) {
+            throw new InvalidArgumentException(sprintf('Cache directory is not writable (%s)', $directory));
+        }
+        // On Windows the whole path is limited to 258 chars
+        if ('\\' === DIRECTORY_SEPARATOR && strlen($dir) > 190) {
+            throw new InvalidArgumentException(sprintf('Cache directory too long (%s)', $directory));
+        }
+
+        $this->directory = $dir;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doFetch(array $ids)
+    {
+        $values = array();
+        $now = time();
+
+        foreach ($ids as $id) {
+            $file = $this->getFile($id);
+            if (false !== $h = @fopen($file, 'rb')) {
+                flock($h, LOCK_SH);
+                if ($now >= (int) fgets($h)) {
+                    flock($h, LOCK_UN);
+                    fclose($h);
+                    @unlink($file);
+                } else {
+                    $value = stream_get_contents($h);
+                    flock($h, LOCK_UN);
+                    fclose($h);
+                    $values[$id] = unserialize($value);
+                }
+            }
+        }
+
+        return $values;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doHave($id)
+    {
+        $file = $this->getFile($id);
+
+        return @filemtime($file) > time() || $this->doFetch(array($id));
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doClear($namespace)
+    {
+        $ok = true;
+
+        foreach (new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($this->directory, \FilesystemIterator::SKIP_DOTS)) as $file) {
+            $ok = ($file->isDir() || @unlink($file) || !file_exists($file)) && $ok;
+        }
+
+        return $ok;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doDelete(array $ids)
+    {
+        $ok = true;
+
+        foreach ($ids as $id) {
+            $file = $this->getFile($id);
+            $ok = (!file_exists($file) || @unlink($file) || !file_exists($file)) && $ok;
+        }
+
+        return $ok;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doSave(array $values, $lifetime)
+    {
+        $ok = true;
+        $expiresAt = $lifetime ? time() + $lifetime : PHP_INT_MAX;
+
+        foreach ($values as $id => $value) {
+            $file = $this->getFile($id);
+            $dir = dirname($file);
+            if (!file_exists($dir)) {
+                @mkdir($dir, 0777, true);
+            }
+            $value = $expiresAt."\n".serialize($value);
+            if (false !== @file_put_contents($file, $value, LOCK_EX)) {
+                @touch($file, $expiresAt);
+            } else {
+                $ok = false;
+            }
+        }
+
+        return $ok;
+    }
+
+    private function getFile($id)
+    {
+        $hash = hash('sha256', $id);
+
+        return $this->directory.$hash[0].DIRECTORY_SEPARATOR.$hash[1].DIRECTORY_SEPARATOR.$hash;
+    }
+}
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+<?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\Tests\Adapter;
+
+use Cache\IntegrationTests\CachePoolTest;
+use Symfony\Component\Cache\Adapter\FilesystemAdapter;
+
+/**
+ * @group time-sensitive
+ */
+class FilesystemAdapterTest extends CachePoolTest
+{
+    public function createCachePool()
+    {
+        if (defined('HHVM_VERSION')) {
+            $this->skippedTests['testDeferredSaveWithoutCommit'] = 'Fails on HHVM';
+        }
+
+        return new FilesystemAdapter(sys_get_temp_dir().DIRECTORY_SEPARATOR.'sf-cache');
+    }
+}