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author | Alib <aliboba@free.fr> | 2010-03-22 20:31:41 +0100 |
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committer | Alib <aliboba@free.fr> | 2010-03-22 20:31:41 +0100 |
commit | 56df9ea9ad0810b8c1e6b581fdf44a55750a5c04 (patch) | |
tree | 76c6151865bce700c4e7e522d0e03cd931b43957 /min/lib/Minify/Cache/Memcache.php | |
parent | 746232eec6b8e1c6a535ba9810301a128977f5e8 (diff) | |
download | istreamdev-56df9ea9ad0810b8c1e6b581fdf44a55750a5c04.tar.gz istreamdev-56df9ea9ad0810b8c1e6b581fdf44a55750a5c04.tar.bz2 |
Added Minify to concatenate and minimize css and js file and gzip them. Cleaned directories, moved all css and js in respective folders.
Diffstat (limited to 'min/lib/Minify/Cache/Memcache.php')
-rw-r--r-- | min/lib/Minify/Cache/Memcache.php | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/min/lib/Minify/Cache/Memcache.php b/min/lib/Minify/Cache/Memcache.php new file mode 100644 index 0000000..2b81e7a --- /dev/null +++ b/min/lib/Minify/Cache/Memcache.php @@ -0,0 +1,137 @@ +<?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) + { + return $this->_fetch($id) + ? strlen($this->_data) + : false; + } + + /** + * 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; + } +} |