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<?php |
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/* |
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* This file is part of the Cache package. |
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* |
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* Copyright (c) Daniel González |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* @author Daniel González <[email protected]> |
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* @author Arnold Daniels <[email protected]> |
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*/ |
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declare(strict_types=1); |
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namespace Desarrolla2\Cache; |
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use Desarrolla2\Cache\AbstractFile; |
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use Desarrolla2\Cache\Packer\PackerInterface; |
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use Desarrolla2\Cache\Packer\SerializePacker; |
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use Desarrolla2\Cache\File\BasicFilename; |
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/** |
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* Cache file as PHP script. |
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*/ |
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class PhpFile extends AbstractFile |
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{ |
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/** |
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* Create the default packer for this cache implementation. |
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* |
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* @return PackerInterface |
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*/ |
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protected static function createDefaultPacker(): PackerInterface |
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{ |
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return new SerializePacker(); |
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} |
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/** |
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* Get the filename callable |
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* |
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* @return callable |
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*/ |
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protected function getFilenameOption(): callable |
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{ |
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if (!isset($this->filename)) { |
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$this->filename = new BasicFilename('%s.php'); |
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} |
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return $this->filename; |
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} |
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/** |
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* Create a PHP script returning the cached value |
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* |
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* @param mixed $value |
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* @param int|null $ttl |
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* @return string |
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*/ |
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public function createScript($value, ?int $ttl): string |
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{ |
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$macro = var_export($value, true); |
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if (strpos($macro, 'stdClass::__set_state') !== false) { |
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$macro = preg_replace_callback("/('([^'\\\\]++|''\\.)')|stdClass::__set_state/", $macro, function($match) { |
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return empty($match[1]) ? '(object)' : $match[1]; |
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}); |
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} |
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return $ttl !== null |
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? "<?php return time() < {$ttl} ? {$macro} : false;" |
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: "<?php return {$macro};"; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function get($key, $default = null) |
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{ |
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$cacheFile = $this->getFilename($key); |
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if (!file_exists($cacheFile)) { |
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return $default; |
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} |
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$packed = include $cacheFile; |
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return $packed === false ? $default : $this->unpack($packed); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function has($key) |
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{ |
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return $this->get($key) !== null; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function set($key, $value, $ttl = null) |
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{ |
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$cacheFile = $this->getFilename($key); |
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$packed = $this->pack($value); |
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$script = $this->createScript($packed, $this->ttlToTimestamp($ttl)); |
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return $this->writeFile($cacheFile, $script); |
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} |
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} |
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