/**
* clear static cache with prefix, don't use except in clear-cache-watcher
*
* @internal
*/
public static function clear($cacheIdPrefix)
{
if (!extension_loaded('apc') || PHP_SAPI == 'cli') {
self::$_cache = array();
//don't use $cacheIdPrefix as filenames are base64 encoded
foreach (glob('cache/simpleStatic/*') as $f) {
unlink($f);
}
if (extension_loaded('apc')) {
Kwf_Util_Apc::callClearCacheByCli(array('clearCacheSimpleStatic' => $cacheIdPrefix));
}
} else {
if (!class_exists('APCIterator')) {
throw new Kwf_Exception_NotYetImplemented("We don't want to clear the whole");
} else {
static $prefix;
if (!isset($prefix)) {
$prefix = Kwf_Cache_Simple::$uniquePrefix . '-';
}
$it = new APCIterator('user', '#^' . preg_quote($prefix . $cacheIdPrefix) . '#', APC_ITER_NONE);
if ($it->getTotalCount() && !$it->current()) {
//APCIterator is borked, delete everything
//see https://bugs.php.net/bug.php?id=59938
if (extension_loaded('apcu')) {
apc_clear_cache();
} else {
apc_clear_cache('user');
}
} else {
//APCIterator seems to work, use it for deletion
apc_delete($it);
}
}
}
}
