namibia
df0489e1eeeeab5a9bd44e1d84fce49924fe1bac
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<?php /** * Class Minify_Cache_Memcache * @package Minify */ /** * Memcache-based cache class for Minify * * <code> * // fall back to disk caching if memcache can't connect * $memcache = new Memcache; * if ($memcache->connect('localhost', 11211)) { * Minify::setCache(new Minify_Cache_Memcache($memcache)); * } else { * Minify::setCache(); * } * </code> **/ class Minify_Cache_Memcache { /** * Create a Minify_Cache_Memcache object, to be passed to * Minify::setCache(). * * @param Memcache $memcache already-connected instance * * @param int $expire seconds until expiration (default = 0 * meaning the item will not get an expiration date) * * @return null */ public function __construct($memcache, $expire = 0) { $this->_mc = $memcache; $this->_exp = $expire; } /** * Write data to cache. * * @param string $id cache id * * @param string $data * * @return bool success */ public function store($id, $data) { return $this->_mc->set($id, "{$_SERVER['REQUEST_TIME']}|{$data}", 0, $this->_exp); } /** * Get the size of a cache entry * * @param string $id cache id * * @return int size in bytes */ public function getSize($id) { if (! $this->_fetch($id)) { return false; } return (function_exists('mb_strlen') && ((int)ini_get('mbstring.func_overload') & 2)) ? mb_strlen($this->_data, '8bit') : strlen($this->_data); } /** * Does a valid cache entry exist? * * @param string $id cache id * * @param int $srcMtime mtime of the original source file(s) * * @return bool exists */ public function isValid($id, $srcMtime) { return ($this->_fetch($id) && ($this->_lm >= $srcMtime)); } /** * Send the cached content to output * * @param string $id cache id */ public function display($id) { echo $this->_fetch($id) ? $this->_data : ''; } /** * Fetch the cached content * * @param string $id cache id * * @return string */ public function fetch($id) { return $this->_fetch($id) ? $this->_data : ''; } private $_mc = null; private $_exp = null; // cache of most recently fetched id private $_lm = null; private $_data = null; private $_id = null; /** * Fetch data and timestamp from memcache, store in instance * * @param string $id * * @return bool success */ private function _fetch($id) { if ($this->_id === $id) { return true; } $ret = $this->_mc->get($id); if (false === $ret) { $this->_id = null; return false; } list($this->_lm, $this->_data) = explode('|', $ret, 2); $this->_id = $id; return true; } } |
Commits for namibiapublic/min/lib/Minify/Cache/Memcache.php
Revision | Author | Commited | Message |
---|---|---|---|
df0489 ... | Mark | Fri 14 Oct, 2016 10:01:00 +0000 | initial commit |