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<?php |
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/** |
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* Bluz Framework Component |
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* |
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* @copyright Bluz PHP Team |
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* @link https://github.com/bluzphp/framework |
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*/ |
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/** |
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* @namespace |
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*/ |
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namespace Bluz\Cache\Adapter; |
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use Bluz\Cache\Cache; |
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use Bluz\Cache\CacheException; |
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/** |
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* Adapter that caches data into php array |
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* |
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* It can cache data that support var_export. |
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* This adapter very fast and cacheable by opcode cachers but it have some limitations related to var_export. |
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* It's best to use for scalar data caching |
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* |
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* @package Bluz\Cache\Adapter |
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* @author murzik |
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* @link http://php.net/manual/en/function.var-export.php |
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* @link http://php.net/manual/en/language.oop5.magic.php#object.set-state |
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*/ |
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class PhpFile extends FileBase |
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{ |
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/** |
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* @var array cache data |
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*/ |
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protected $data = array(); |
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/** |
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* {@inheritdoc} |
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* |
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* @param string $id |
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* @return bool |
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*/ |
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protected function doContains($id) |
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{ |
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$filename = $this->getFilename($id); |
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if (!is_file($filename)) { |
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return false; |
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} |
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$cacheEntry = include $filename; |
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return $cacheEntry['ttl'] === Cache::TTL_NO_EXPIRY || $cacheEntry['ttl'] > time(); |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @param string $id |
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* @return bool|mixed |
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*/ |
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protected function doGet($id) |
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{ |
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$filename = $this->getFilename($id); |
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if (!is_file($filename)) { |
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return false; |
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} |
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if (defined('HHVM_VERSION')) { |
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// XXX: workaround for https://github.com/facebook/hhvm/issues/1447 |
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$cacheEntry = eval(str_replace('<?php', '', file_get_contents($filename))); |
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} else { |
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$cacheEntry = include $filename; |
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} |
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if ($cacheEntry['ttl'] !== Cache::TTL_NO_EXPIRY && $cacheEntry['ttl'] < time()) { |
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return false; |
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} |
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return $cacheEntry['data']; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @param string $id |
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* @param mixed $data |
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* @param integer $ttl |
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* @return integer The number of bytes that were written to the file, or false on failure. |
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* @throws CacheException |
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*/ |
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protected function doSet($id, $data, $ttl = Cache::TTL_NO_EXPIRY) |
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{ |
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if ($ttl > 0) { |
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$ttl = time() + $ttl; |
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} |
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// if we have an array containing objects - we will have a problem. |
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if (is_object($data) && !method_exists($data, '__set_state')) { |
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throw new CacheException( |
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"Invalid argument given, PhpFileAdapter only allows objects that implement __set_state() " . |
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"and fully support var_export()." |
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); |
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} |
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$fileName = $this->getFilename($id); |
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$filePath = pathinfo($fileName, PATHINFO_DIRNAME); |
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if (!is_dir($filePath)) { |
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mkdir($filePath, 0777, true); |
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} |
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$cacheEntry = array( |
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'ttl' => $ttl, |
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'data' => $data |
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); |
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$cacheEntry = var_export($cacheEntry, true); |
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$code = sprintf('<?php return %s;', $cacheEntry); |
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return $this->writeFile($fileName, $code); |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @param string $id |
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* @param mixed $data |
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* @param integer $ttl |
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* @return bool|int |
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* @throws CacheException |
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*/ |
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1 |
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protected function doAdd($id, $data, $ttl = Cache::TTL_NO_EXPIRY) |
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{ |
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if (!$this->doContains($id)) { |
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return $this->doSet($id, $data, $ttl); |
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} else { |
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return false; |
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} |
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} |
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} |
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bluzphp /
framework
