本文整理汇总了PHP中Illuminate\Support\Facades\DB::getFacadeRoot方法的典型用法代码示例。如果您正苦于以下问题：PHP DB::getFacadeRoot方法的具体用法？PHP DB::getFacadeRoot怎么用？PHP DB::getFacadeRoot使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Illuminate\Support\Facades\DB的用法示例。
在下文中一共展示了DB::getFacadeRoot方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: getDefaultDb
/**
* Get a default db value, if any is available
*
* @return ConnectionInterface|null A default db value or Null if no default value is available
*/
public function getDefaultDb()
{
// By default, the DB Facade does not return the
// any actual database connection, but rather an
// instance of \Illuminate\Database\DatabaseManager.
// Therefore, we make sure only to obtain its
// "connection", to make sure that its only the connection
// instance that we obtain.
$manager = DB::getFacadeRoot();
if (!is_null($manager)) {
return $manager->connection();
}
return $manager;
}示例2: attempt
/**
* Attempt a DB operation - utilising a transaction
*
* @param callable $callback
*
* @return mixed
*/
public function attempt(callable $callback)
{
DB::beginTransaction();
try {
$value = $callback(DB::getFacadeRoot());
DB::commit();
} catch (\Exception $e) {
DB::rollBack();
throw $e;
}
return $value;
}示例3: setUp
/**
* Setup before each test.
*/
public function setUp()
{
parent::setUp();
$this->options = new OptionsService(DB::getFacadeRoot(), 'options');
}示例4: getDefaultDbManager
/**
* Get a default db manager value, if any is available
*
* @return DatabaseManager|null A default db manager value or Null if no default value is available
*/
public function getDefaultDbManager()
{
return DB::getFacadeRoot();
}示例5: connection
/**
* Get a database schema builder instance for the
* given connection.
*
* @param string $name
*
* @return \Illuminate\Database\Schema\Builder|null Returns null when no database connection is available
*/
public function connection($name)
{
// We do this check to ensure that a connection is available
$manager = DB::getFacadeRoot();
if (!is_null($manager) && !is_null($manager->connection())) {
return Schema::connection($name);
}
return $manager;
}