getContext() . ':' . $this->getCacheId(); if (function_exists('xcache_unset_by_prefix')) { // If possible, just flush the context xcache_unset_by_prefix(prefix); } else { // Otherwise, we need to do this manually for ($i = 0; $i < xcache_count(XC_TYPE_VAR); $i++) { $cache = xcache_list(XC_TYPE_VAR, $i); foreach ($cache['cache_list'] as $entry) { if (substr($entry['name'], 0, strlen($prefix)) == $prefix) xcache_unset($entry['name']); } } } } /** * Get an object from the cache. * @param $id */ function getCache($id) { $key = INDEX_FILE_LOCATION . ':'. $this->getContext() . ':' . $this->getCacheId() . ':' . $id; if (!xcache_isset($key)) return $this->cacheMiss; $returner = unserialize(xcache_get($key)); return $returner; } /** * Set an object in the cache. This function should be overridden * by subclasses. * @param $id * @param $value */ function setCache($id, $value) { return (xcache_set(INDEX_FILE_LOCATION . ':' . $this->getContext() . ':' . $this->getCacheId() . ':' . $id, serialize($value))); } /** * Get the time at which the data was cached. * Not implemented in this type of cache. */ function getCacheTime() { return null; } /** * Set the entire contents of the cache. * WARNING: THIS DOES NOT FLUSH THE CACHE FIRST! */ function setEntireCache($contents) { foreach ($contents as $id => $value) { $this->setCache($id, $value); } } } ?>