public function _config($key = null, $value = null, $environment = AK_ENVIRONMENT, $unset = false)
{
if (AkDbSchemaCache::shouldRefresh()) {
return false;
}
static $config;
if (!isset($config[$environment])) {
$file_name = AkDbSchemaCache::getCacheFileName($environment);
$config[$environment] = file_exists($file_name) ? unserialize(Ak::file_get_contents($file_name)) : array();
if (AK_LOG_EVENTS) {
$Logger =& Ak::getLogger();
$Logger->message('Loading cached database settings');
}
}
if (!is_null($key)) {
if (!is_null($value)) {
$config[$environment][$key] = $value;
} elseif ($unset) {
unset($config[$environment][$key]);
}
return isset($config[$environment][$key]) ? $config[$environment][$key] : false;
}
return $config[$environment];
}
