/**
* 创建一个新的PDO链接
*
* @param string $dsn
* @param array $config
* @param array $options
* @return \PDO
*/
public function createConnection($dsn, array $config, array $options)
{
$username = Arr::get($config, 'username');
$password = Arr::get($config, 'password');
try {
$pdo = new PDO($dsn, $username, $password, $options);
} catch (Exception $e) {
$pdo = $this->tryAgainIfCausedByLostConnection($e, $dsn, $username, $password, $options);
}
return $pdo;
}
/**
* 获取链接配置文件
*
* @param string $name
* @return array
*
* @throws \InvalidArgumentException
*/
protected function getConfig($name)
{
$name = $name ?: $this->getDefaultConnection();
$connections = $this->app['env']['redis']['connections'];
if (is_null($config = Arr::get($connections, $name))) {
throw new InvalidArgumentException("Redis [{$name}] not configured.");
}
return $config;
}
/**
* 获取配置信息
*
* @param string $option
* @return mixed
*/
public function getConfig($option)
{
return Arr::get($this->config, $option);
}
/**
* 获取指定配置
*
* @param string $key
* @param mixed $default
* @return mixed
*/
public function get($key, $default = null)
{
return Arr::get($this->items, $key, $default);
}
/**
* 完成保存进程后
*
* @param array $options
* @return void
*/
protected function finishSave(array $options)
{
$this->event('saved', false);
$this->syncOriginal();
if (Arr::get($options, 'touch', true)) {
$this->touchOwners();
}
}
/**
* 获取一个宏定义（闭包）
*
* @param string $name
* @return \Closure
*/
public function getMacro($name)
{
return Arr::get($this->macros, $name);
}
/**
* 使用 "逗点" 符号从深度巢状数组取回给定的值。
*
* @param \ArrayAccess|array $array
* @param string $key
* @param mixed $default
* @return mixed
*/
function array_get($array, $key, $default = null)
{
return Arr::get($array, $key, $default);
}
