public function init()
{
if (!isset(self::$cache[$this->cache_file]) || empty(self::$cache[$this->cache_file])) {
if (checkPhpSyntax($this->cache_file)) {
throw new \Exception($this->cache_file . 'has syntax error, please check the cache file.');
}
self::$cache[$this->cache_file] = (include $this->cache_file);
}
}
/**
* 单例模式初始化配置文件
* @param string $key
* @throws \Exception
*/
private static function initConfig($key)
{
if (!\defined('CONFIG_PATH')) {
throw new \Exception('const CONFIG_PATH is not defined');
}
if (!\strstr($key, '.')) {
throw new \Exception('param key does not contain "."');
}
$keyInfo = explode('.', $key);
$configFile = $keyInfo[0];
if (!isset(self::$config[$configFile])) {
$realConfigFile = CONFIG_PATH . DIRECTORY_SEPARATOR . $configFile . '.php';
if (!file_exists($realConfigFile)) {
throw new \Exception('config file is not exists');
}
if (!is_readable($realConfigFile)) {
throw new \Exception('config file is not readable');
}
if (!checkPhpSyntax($realConfigFile)) {
throw new \Exception('config file contains a syntax error');
}
self::$config[$configFile] = (include $realConfigFile);
}
}