public static function initAllowedProperties()
{
$cacheKey = null;
if (function_exists('apc_fetch') && function_exists('apc_store')) {
$cacheKey = 'kHtmlPurifierAllowedProperties-' . kConf::getCachedVersionId();
self::$AllowedProperties = apc_fetch($cacheKey);
}
if (!self::$AllowedProperties) {
self::$AllowedProperties = kConf::get("xss_allowed_object_properties");
// Convert values to keys (we don't care about the values) in order to test via array_key_exists.
self::$AllowedProperties = array_flip(self::$AllowedProperties);
if ($cacheKey) {
apc_store($cacheKey, self::$AllowedProperties);
}
}
}
