vendor/twig/twig/src/Cache/FilesystemCache.php line 42

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  1. <?php
  3. /*
  4. * This file is part of Twig.
  5. *
  6. * (c) Fabien Potencier
  7. *
  8. * For the full copyright and license information, please view the LICENSE
  9. * file that was distributed with this source code.
  10. */
  12. namespace Twig\Cache;
  14. /**
  15. * Implements a cache on the filesystem.
  16. *
  17. * @author Andrew Tch <andrew@noop.lv>
  18. */
  19. class FilesystemCache implements CacheInterface, RemovableCacheInterface
  20. {
  21. public const FORCE_BYTECODE_INVALIDATION = 1;
  23. private $directory;
  24. private $options;
  26. public function __construct(string $directory, int $options = 0)
  27. {
  28. $this->directory = rtrim($directory, '\/').'/';
  29. $this->options = $options;
  30. }
  32. public function generateKey(string $name, string $className): string
  33. {
  34. $hash = hash(\PHP_VERSION_ID < 80100 ? 'sha256' : 'xxh128', $className);
  36. return $this->directory.$hash[0].$hash[1].'/'.$hash.'.php';
  37. }
  39. public function load(string $key): void
  40. {
  41. if (is_file($key)) {
  42. @include_once $key;
  43. }
  44. }
  46. public function write(string $key, string $content): void
  47. {
  48. $dir = \dirname($key);
  49. if (!is_dir($dir)) {
  50. if (false === @mkdir($dir, 0777, true)) {
  51. clearstatcache(true, $dir);
  52. if (!is_dir($dir)) {
  53. throw new \RuntimeException(\sprintf('Unable to create the cache directory (%s).', $dir));
  54. }
  55. }
  56. } elseif (!is_writable($dir)) {
  57. throw new \RuntimeException(\sprintf('Unable to write in the cache directory (%s).', $dir));
  58. }
  60. $tmpFile = tempnam($dir, basename($key));
  61. if (false !== @file_put_contents($tmpFile, $content) && @rename($tmpFile, $key)) {
  62. @chmod($key, 0666 & ~umask());
  64. if (self::FORCE_BYTECODE_INVALIDATION == ($this->options & self::FORCE_BYTECODE_INVALIDATION)) {
  65. // Compile cached file into bytecode cache
  66. if (\function_exists('opcache_invalidate') && filter_var(\ini_get('opcache.enable'), \FILTER_VALIDATE_BOOLEAN)) {
  67. @opcache_invalidate($key, true);
  68. } elseif (\function_exists('apc_compile_file')) {
  69. apc_compile_file($key);
  70. }
  71. }
  73. return;
  74. }
  76. throw new \RuntimeException(\sprintf('Failed to write cache file "%s".', $key));
  77. }
  79. public function remove(string $name, string $cls): void
  80. {
  81. $key = $this->generateKey($name, $cls);
  82. if (!@unlink($key) && file_exists($key)) {
  83. throw new \RuntimeException(\sprintf('Failed to delete cache file "%s".', $key));
  84. }
  85. }
  87. public function getTimestamp(string $key): int
  88. {
  89. if (!is_file($key)) {
  90. return 0;
  91. }
  93. return (int) @filemtime($key);
  94. }
  95. }