function flush($time = NULL)
{
if (empty($time)) {
$time = time();
}
parent::flush($time);
db_query("DELETE FROM {" . $this->name . "} WHERE expire != %d AND expire < %d", CACHE_PERMANENT, $time);
}
function __construct($bin, $options, $default_options)
{
// Assign the path on the following order: bin specific -> default specific -> /tmp/filepath
if (isset($options['path'])) {
$this->fspath = $options['path'];
} elseif (isset($default_options['path'])) {
$this->fspath = $default_options['path'];
}
if (substr($this->fspath, -1) == '/') {
$this->fspath = substr($this->fspath, 0, strlen($this->fspath) - 2);
}
parent::__construct($bin, $options, $default_options);
}
/**
* flush()
* Flush the entire cache.
*
* @param none
* @return mixed bool
* Returns TRUE
*/
function flush()
{
parent::flush();
if ($this->lock()) {
// Get lookup table to be able to keep track of bins
$lookup = $this->getLookup();
// If the lookup table is empty, remove lock and return
if (!is_array($lookup) || empty($lookup)) {
$this->unlock();
return TRUE;
}
// Cycle through keys and remove each entry from the cache
foreach ($lookup as $k => $expire) {
if ($expire != CACHE_PERMANENT && $expire <= time()) {
apc_delete($k);
unset($lookup[$k]);
}
}
// Resave the lookup table (even on failure)
$this->setLookup($lookup);
// Remove lock
$this->unlock();
}
return TRUE;
}
function flush()
{
// Flush static cache
parent::flush();
// If this is a shared cache, we need to cycle through the lookup table and remove individual
// items directly
if ($this->settings['shared']) {
if ($this->lock()) {
// Get lookup table to be able to keep track of bins
$lookup = $this->memcache->get($this->lookup);
// If the lookup table is empty, remove lock and return
if (!is_array($lookup) || empty($lookup)) {
$this->unlock();
return TRUE;
}
// Cycle through keys and remove each entry from the cache
foreach ($lookup as $k => $expire) {
if ($expire != CACHE_PERMANENT && $expire < time()) {
$this->memcache->delete($k);
unset($lookup[$k]);
}
}
// Resave the lookup table (even on failure)
$this->memcache->set($this->lookup, $lookup, FALSE, 0);
// Remove lock
$this->unlock();
}
} else {
// Flush memcache
return $this->memcache->flush();
}
}