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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| <?php | ||
|
|
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| /* | ||
| * 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; | ||
|
|
||
| /** | ||
| * Interface implemented by cache classes. | ||
| * | ||
| * It is highly recommended to always store templates on the filesystem to | ||
| * benefit from the PHP opcode cache. This interface is mostly useful if you | ||
| * need to implement a custom strategy for storing templates on the filesystem. | ||
| * | ||
| * @author Andrew Tch <andrew@noop.lv> | ||
| */ | ||
| interface CacheInterface | ||
| { | ||
| /** | ||
| * Generates a cache key for the given template class name. | ||
| * | ||
| * @param string $name The template name | ||
| * @param string $className The template class name | ||
| * | ||
| * @return string | ||
| */ | ||
| public function generateKey($name, $className); | ||
|
|
||
| /** | ||
| * Writes the compiled template to cache. | ||
| * | ||
| * @param string $key The cache key | ||
| * @param string $content The template representation as a PHP class | ||
| */ | ||
| public function write($key, $content); | ||
|
|
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| /** | ||
| * Loads a template from the cache. | ||
| * | ||
| * @param string $key The cache key | ||
| */ | ||
| public function load($key); | ||
|
|
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| /** | ||
| * Returns the modification timestamp of a key. | ||
| * | ||
| * @param string $key The cache key | ||
| * | ||
| * @return int | ||
| */ | ||
| public function getTimestamp($key); | ||
| } | ||
|
|
||
| class_alias('Twig\Cache\CacheInterface', 'Twig_CacheInterface'); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| <?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. | ||
| */ | ||
|
|
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| namespace Twig\Cache; | ||
|
|
||
| /** | ||
| * Implements a cache on the filesystem. | ||
| * | ||
| * @author Andrew Tch <andrew@noop.lv> | ||
| */ | ||
| class FilesystemCache implements CacheInterface | ||
| { | ||
| const FORCE_BYTECODE_INVALIDATION = 1; | ||
|
|
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| private $directory; | ||
| private $options; | ||
|
|
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| /** | ||
| * @param string $directory The root cache directory | ||
| * @param int $options A set of options | ||
| */ | ||
| public function __construct($directory, $options = 0) | ||
| { | ||
| $this->directory = rtrim($directory, '\/').'/'; | ||
| $this->options = $options; | ||
| } | ||
|
|
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| public function generateKey($name, $className) | ||
| { | ||
| $hash = hash('sha256', $className); | ||
|
|
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| return $this->directory.$hash[0].$hash[1].'/'.$hash.'.php'; | ||
| } | ||
|
|
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| public function load($key) | ||
| { | ||
| if (file_exists($key)) { | ||
| @include_once $key; | ||
| } | ||
| } | ||
|
|
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| public function write($key, $content) | ||
| { | ||
| $dir = \dirname($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)); | ||
| } | ||
|
|
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| $tmpFile = tempnam($dir, basename($key)); | ||
| if (false !== @file_put_contents($tmpFile, $content) && @rename($tmpFile, $key)) { | ||
| @chmod($key, 0666 & ~umask()); | ||
|
|
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| 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); | ||
| } | ||
| } | ||
|
|
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| return; | ||
| } | ||
|
|
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| throw new \RuntimeException(sprintf('Failed to write cache file "%s".', $key)); | ||
| } | ||
|
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| public function getTimestamp($key) | ||
| { | ||
| if (!file_exists($key)) { | ||
| return 0; | ||
| } | ||
|
|
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| return (int) @filemtime($key); | ||
| } | ||
| } | ||
|
|
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| class_alias('Twig\Cache\FilesystemCache', 'Twig_Cache_Filesystem'); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| <?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 no-cache strategy. | ||
| * | ||
| * @final | ||
| * | ||
| * @author Fabien Potencier <fabien@symfony.com> | ||
| */ | ||
| class NullCache implements CacheInterface | ||
| { | ||
| public function generateKey($name, $className) | ||
| { | ||
| return ''; | ||
| } | ||
|
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| public function write($key, $content) | ||
| { | ||
| } | ||
|
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| public function load($key) | ||
| { | ||
| } | ||
|
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| public function getTimestamp($key) | ||
| { | ||
| return 0; | ||
| } | ||
| } | ||
|
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| class_alias('Twig\Cache\NullCache', 'Twig_Cache_Null'); |
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