| <?php |
| |
| /* |
| * This file is part of Twig. |
| * |
| * (c) Fabien Potencier |
| * |
| * For the full copyright and license information, please view the LICENSE |
| * file that was distributed with this source code. |
| */ |
| |
| namespace Twig\Cache; |
| |
| /** |
| * Implements a cache on the filesystem. |
| * |
| * @author Andrew Tch <andrew@noop.lv> |
| */ |
| class FilesystemCache implements CacheInterface |
| { |
| public const FORCE_BYTECODE_INVALIDATION = 1; |
| |
| private $directory; |
| private $options; |
| |
| public function __construct(string $directory, int $options = 0) |
| { |
| $this->directory = rtrim($directory, '\/').'/'; |
| $this->options = $options; |
| } |
| |
| public function generateKey(string $name, string $className): string |
| { |
| $hash = hash('sha256', $className); |
| |
| return $this->directory.$hash[0].$hash[1].'/'.$hash.'.php'; |
| } |
| |
| public function load(string $key): void |
| { |
| if (is_file($key)) { |
| @include_once $key; |
| } |
| } |
| |
| public function write(string $key, string $content): void |
| { |
| $dir = \dirname($key); |
| if (!is_dir($dir)) { |
| if (false === @mkdir($dir, 0777, true)) { |
| clearstatcache(true, $dir); |
| if (!is_dir($dir)) { |
| throw new \RuntimeException(sprintf('Unable to create the cache directory (%s).', $dir)); |
| } |
| } |
| } elseif (!is_writable($dir)) { |
| throw new \RuntimeException(sprintf('Unable to write in the cache directory (%s).', $dir)); |
| } |
| |
| $tmpFile = tempnam($dir, basename($key)); |
| if (false !== @file_put_contents($tmpFile, $content) && @rename($tmpFile, $key)) { |
| @chmod($key, 0666 & ~umask()); |
| |
| if (self::FORCE_BYTECODE_INVALIDATION == ($this->options & self::FORCE_BYTECODE_INVALIDATION)) { |
| // Compile cached file into bytecode cache |
| if (\function_exists('opcache_invalidate') && filter_var(ini_get('opcache.enable'), \FILTER_VALIDATE_BOOLEAN)) { |
| @opcache_invalidate($key, true); |
| } elseif (\function_exists('apc_compile_file')) { |
| apc_compile_file($key); |
| } |
| } |
| |
| return; |
| } |
| |
| throw new \RuntimeException(sprintf('Failed to write cache file "%s".', $key)); |
| } |
| |
| public function getTimestamp(string $key): int |
| { |
| if (!is_file($key)) { |
| return 0; |
| } |
| |
| return (int) @filemtime($key); |
| } |
| } |