diff options
| author | Michael Save <savetheinternet@tinyboard.org> | 2012-04-09 20:52:26 +1000 |
|---|---|---|
| committer | Michael Save <savetheinternet@tinyboard.org> | 2012-04-09 20:52:26 +1000 |
| commit | 874b8cbf002e9d8bf0ff39671e1501165016320a (patch) | |
| tree | 1428acec23fef6c607e10fd355d88af31c2029ed /inc/lib/minify/Minify/Cache/ZendPlatform.php | |
| parent | 69c9a9dd452299e0e8f7335966a1d0b4036df583 (diff) | |
inc/contrib -> inc/lib
Diffstat (limited to 'inc/lib/minify/Minify/Cache/ZendPlatform.php')
| -rwxr-xr-x | inc/lib/minify/Minify/Cache/ZendPlatform.php | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/inc/lib/minify/Minify/Cache/ZendPlatform.php b/inc/lib/minify/Minify/Cache/ZendPlatform.php new file mode 100755 index 00000000..3130d69a --- /dev/null +++ b/inc/lib/minify/Minify/Cache/ZendPlatform.php @@ -0,0 +1,142 @@ +<?php +/** + * Class Minify_Cache_ZendPlatform + * @package Minify + */ + + +/** + * ZendPlatform-based cache class for Minify + * + * Based on Minify_Cache_APC, uses output_cache_get/put (currently deprecated) + * + * <code> + * Minify::setCache(new Minify_Cache_ZendPlatform()); + * </code> + * + * @package Minify + * @author Patrick van Dissel + */ +class Minify_Cache_ZendPlatform { + + + /** + * Create a Minify_Cache_ZendPlatform object, to be passed to + * Minify::setCache(). + * + * @param int $expire seconds until expiration (default = 0 + * meaning the item will not get an expiration date) + * + * @return null + */ + public function __construct($expire = 0) + { + $this->_exp = $expire; + } + + + /** + * Write data to cache. + * + * @param string $id cache id + * + * @param string $data + * + * @return bool success + */ + public function store($id, $data) + { + return output_cache_put($id, "{$_SERVER['REQUEST_TIME']}|{$data}"); + } + + + /** + * 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) + { + $ret = ($this->_fetch($id) && ($this->_lm >= $srcMtime)); + return $ret; + } + + + /** + * 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 $_exp = null; + + + // cache of most recently fetched id + private $_lm = null; + private $_data = null; + private $_id = null; + + + /** + * Fetch data and timestamp from ZendPlatform, store in instance + * + * @param string $id + * + * @return bool success + */ + private function _fetch($id) + { + if ($this->_id === $id) { + return true; + } + $ret = output_cache_get($id, $this->_exp); + if (false === $ret) { + $this->_id = null; + return false; + } + list($this->_lm, $this->_data) = explode('|', $ret, 2); + $this->_id = $id; + return true; + } +} |
