first commit

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

@@ -0,0 +1,118 @@
+<?php
+
+namespace Doctrine\Common\Cache;
+
+use function is_object;
+use function method_exists;
+use function restore_error_handler;
+use function serialize;
+use function set_error_handler;
+use function sprintf;
+use function time;
+use function var_export;
+
+/**
+ * Php file cache driver.
+ */
+class PhpFileCache extends FileCache
+{
+    public const EXTENSION = '.doctrinecache.php';
+
+    /**
+     * @var callable
+     *
+     * This is cached in a local static variable to avoid instantiating a closure each time we need an empty handler
+     */
+    private static $emptyErrorHandler;
+
+    /**
+     * {@inheritdoc}
+     */
+    public function __construct($directory, $extension = self::EXTENSION, $umask = 0002)
+    {
+        parent::__construct($directory, $extension, $umask);
+
+        self::$emptyErrorHandler = static function () {
+        };
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doFetch($id)
+    {
+        $value = $this->includeFileForId($id);
+
+        if ($value === null) {
+            return false;
+        }
+
+        if ($value['lifetime'] !== 0 && $value['lifetime'] < time()) {
+            return false;
+        }
+
+        return $value['data'];
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doContains($id)
+    {
+        $value = $this->includeFileForId($id);
+
+        if ($value === null) {
+            return false;
+        }
+
+        return $value['lifetime'] === 0 || $value['lifetime'] > time();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doSave($id, $data, $lifeTime = 0)
+    {
+        if ($lifeTime > 0) {
+            $lifeTime = time() + $lifeTime;
+        }
+
+        $filename = $this->getFilename($id);
+
+        $value = [
+            'lifetime'  => $lifeTime,
+            'data'      => $data,
+        ];
+
+        if (is_object($data) && method_exists($data, '__set_state')) {
+            $value = var_export($value, true);
+            $code  = sprintf('<?php return %s;', $value);
+        } else {
+            $value = var_export(serialize($value), true);
+            $code  = sprintf('<?php return unserialize(%s);', $value);
+        }
+
+        return $this->writeFile($filename, $code);
+    }
+
+    /**
+     * @return array|null
+     */
+    private function includeFileForId(string $id) : ?array
+    {
+        $fileName = $this->getFilename($id);
+
+        // note: error suppression is still faster than `file_exists`, `is_file` and `is_readable`
+        set_error_handler(self::$emptyErrorHandler);
+
+        $value = include $fileName;
+
+        restore_error_handler();
+
+        if (! isset($value['lifetime'])) {
+            return null;
+        }
+
+        return $value;
+    }
+}