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<?php |
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namespace Nip\Cache; |
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use Nip\Utility\Traits\SingletonTrait; |
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/** |
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* Class Manager |
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* @package Nip\Cache |
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*/ |
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class Manager |
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{ |
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use SingletonTrait; |
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protected $active = true; |
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protected $ttl = 180; |
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protected $data; |
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/** |
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* @param $cacheId |
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* |
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* @return mixed |
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*/ |
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public function get($cacheId) |
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{ |
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if (!$this->valid($cacheId)) { |
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return null; |
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} |
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return $this->getData($cacheId); |
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} |
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/** |
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* @param $cacheId |
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* |
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* @return bool |
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*/ |
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public function valid($cacheId) |
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{ |
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if ($this->isActive() && $this->exists($cacheId)) { |
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$fmtime = filemtime($this->filePath($cacheId)); |
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if (($fmtime + $this->ttl) > time()) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* @return bool |
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*/ |
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public function isActive() |
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{ |
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return $this->active; |
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} |
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/** |
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* @param $active |
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* |
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* @return $this |
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*/ |
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public function setActive($active) |
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{ |
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$this->active = $active; |
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return $this; |
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} |
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/** |
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* @param $cacheId |
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* |
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* @return bool |
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*/ |
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public function exists($cacheId) |
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{ |
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return file_exists($this->filePath($cacheId)); |
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} |
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/** |
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* @param $cacheId |
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* |
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* @return string |
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*/ |
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public function filePath($cacheId) |
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{ |
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$cacheId = DIRECTORY_SEPARATOR . trim($cacheId, DIRECTORY_SEPARATOR); |
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return $this->cachePath() . $cacheId . '.php'; |
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} |
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/** |
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* @return string |
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*/ |
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public function cachePath() |
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{ |
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return \cache_path(); |
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} |
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/** |
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* @param $cacheId |
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* |
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* @return mixed |
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*/ |
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public function getData($cacheId) |
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{ |
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if (!isset($this->data[$cacheId])) { |
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$this->data[$cacheId] = $this->loadData($cacheId); |
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} |
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return $this->data[$cacheId]; |
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} |
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/** |
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* @param $cacheId |
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* @param bool $retry |
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* |
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* @return bool|mixed |
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*/ |
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public function loadData($cacheId, $retry = true) |
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{ |
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$file = $this->filePath($cacheId); |
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$content = file_get_contents($file); |
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$data = unserialize($content); |
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if (!$data) { |
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if ($retry === false) { |
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return false; |
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} |
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$this->reload($cacheId); |
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return $this->loadData($cacheId, false); |
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} |
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return $data; |
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} |
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/** |
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* @param $cacheId |
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*/ |
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public function reload($cacheId) |
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{ |
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} |
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/** |
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* @param $cacheId |
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* @param $data |
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* |
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* @return $this |
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*/ |
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public function set($cacheId, $data) |
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{ |
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$this->data[$cacheId] = $data; |
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return $this; |
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} |
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public function put($cacheId, $data) |
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{ |
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$this->set($cacheId, $data); |
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$this->saveData($cacheId, $data); |
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} |
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/** |
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* @param $cacheId |
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* @param $data |
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* |
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* @return bool |
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*/ |
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public function saveData($cacheId, $data) |
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{ |
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$file = $this->filePath($cacheId); |
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$content = serialize($data); |
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return $this->save($file, $content); |
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} |
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/** |
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* @param $file |
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* @param $content |
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* |
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* @return bool |
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*/ |
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public function save($file, $content) |
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{ |
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$dir = dirname($file); |
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if (!is_dir($dir)) { |
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mkdir($dir, 0777); |
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} |
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if (file_put_contents($file, $content)) { |
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chmod($file, 0777); |
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return true; |
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} else { |
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$message = "Cannot open cache file for writing: "; |
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// if (!Nip_Staging::instance()->isPublic()) { |
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// $message .= " [ ".$this->cache_file." ] "; |
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// } |
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die($message); |
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} |
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} |
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/** |
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* @param $cacheId |
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*/ |
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public function delete($cacheId) |
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{ |
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$file = $this->filePath($cacheId); |
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if (is_file($file)) { |
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unlink($file); |
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} |
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} |
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/** |
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* @return int |
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*/ |
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public function getTtl(): int |
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{ |
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return $this->ttl; |
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} |
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/** |
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* @param int $ttl |
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*/ |
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public function setTtl(int $ttl) |
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{ |
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$this->ttl = $ttl; |
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} |
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} |
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.