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<?php |
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/** |
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* Cache\Files |
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* |
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* Core\Cache Files Driver. |
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* |
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* @package core |
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* @author [email protected] |
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* @copyright Caffeina srl - 2015 - http://caffeina.it |
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*/ |
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namespace Cache; |
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class Files implements Adapter { |
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protected $options; |
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public static function valid(){ |
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return true; |
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} |
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public function __construct($options=[]){ |
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$this->options = (object) array_merge($options,[ |
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'cache_dir' => sys_get_temp_dir().'/core_file_cache', |
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]); |
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$this->options->cache_dir = rtrim($this->options->cache_dir,'/'); |
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if(false===is_dir($this->options->cache_dir)) mkdir($this->options->cache_dir,0777,true); |
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$this->options->cache_dir .= '/'; |
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} |
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public function get($key){ |
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$cache_file_name = $this->options->cache_dir.$key.'.cache.php'; |
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if(is_file($cache_file_name) && $data = @unserialize(file_get_contents($cache_file_name))){ |
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if($data[0] && (time() > $data[0])) { |
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unlink($cache_file_name); |
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return null; |
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} |
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return $data[1]; |
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} else { |
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return null; |
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} |
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} |
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public function set($key,$value,$expire=0){ |
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$cache_file_name = $this->options->cache_dir.$key.'.cache.php'; |
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file_put_contents($cache_file_name,serialize([$expire?time()+$expire:0,$value])); |
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} |
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public function delete($key){ |
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$cache_file_name = $this->options->cache_dir.$key.'.cache.php'; |
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if(is_file($cache_file_name)) unlink($cache_file_name); |
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} |
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public function exists($key){ |
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$cache_file_name = $this->options->cache_dir.$key.'.cache.php'; |
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if(false === is_file($cache_file_name)) return false; |
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$peek = file_get_contents($cache_file_name,false,null,-1,32); |
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$expire = explode('{i:0;i:',$peek,2); |
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$expire = explode(';',end($expire),2); |
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$expire = current($expire); |
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if($expire && $expire < time()){ |
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unlink($cache_file_name); |
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return false; |
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} else return true; |
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} |
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public function flush(){ |
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exec('rm -f ' . $this->options->cache_dir . '*.cache.php'); |
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} |
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public function inc($key,$value=1){ |
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if(null === ($current = $this->get($key))) $current = $value; else $current += $value; |
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$this->set($key,$current); |
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} |
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public function dec($key,$value=1){ |
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$this->inc($key,-abs($value)); |
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} |
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} |
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caffeina-core /
core
