first commit

vendor/doctrine/cache/lib/Doctrine/Common/Cache/FilesystemCache.php

@@ -0,0 +1,102 @@
+<?php
+
+namespace Doctrine\Common\Cache;
+
+use const PHP_EOL;
+use function fclose;
+use function fgets;
+use function fopen;
+use function is_file;
+use function serialize;
+use function time;
+use function unserialize;
+
+/**
+ * Filesystem cache driver.
+ */
+class FilesystemCache extends FileCache
+{
+    public const EXTENSION = '.doctrinecache.data';
+
+    /**
+     * {@inheritdoc}
+     */
+    public function __construct($directory, $extension = self::EXTENSION, $umask = 0002)
+    {
+        parent::__construct($directory, $extension, $umask);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doFetch($id)
+    {
+        $data     = '';
+        $lifetime = -1;
+        $filename = $this->getFilename($id);
+
+        if (! is_file($filename)) {
+            return false;
+        }
+
+        $resource = fopen($filename, 'r');
+        $line     = fgets($resource);
+
+        if ($line !== false) {
+            $lifetime = (int) $line;
+        }
+
+        if ($lifetime !== 0 && $lifetime < time()) {
+            fclose($resource);
+
+            return false;
+        }
+
+        while (($line = fgets($resource)) !== false) {
+            $data .= $line;
+        }
+
+        fclose($resource);
+
+        return unserialize($data);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doContains($id)
+    {
+        $lifetime = -1;
+        $filename = $this->getFilename($id);
+
+        if (! is_file($filename)) {
+            return false;
+        }
+
+        $resource = fopen($filename, 'r');
+        $line     = fgets($resource);
+
+        if ($line !== false) {
+            $lifetime = (int) $line;
+        }
+
+        fclose($resource);
+
+        return $lifetime === 0 || $lifetime > time();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doSave($id, $data, $lifeTime = 0)
+    {
+        if ($lifeTime > 0) {
+            $lifeTime = time() + $lifeTime;
+        }
+
+        $data     = serialize($data);
+        $filename = $this->getFilename($id);
+
+        return $this->writeFile($filename, $lifeTime . PHP_EOL . $data);
+    }
+}