yii\db\Connection::useMaster PHP Method

Connection Class Documentation Show file Open project: yiisoft/yii2

useMaster() public method

This method is provided so that you can temporarily force using the master connection to perform DB operations even if they are read queries. For example, php $result = $db->useMaster(function ($db) { return $db->createCommand('SELECT * FROM user LIMIT 1')->queryOne(); });

public useMaster ( callable $callback ) : mixed
$callback	callable	a PHP callable to be executed by this method. Its signature is `function (Connection $db)`. Its return value will be returned by this method.
return	mixed	the return value of the callback

    public function useMaster(callable $callback)
    {
        $enableSlave = $this->enableSlaves;
        $this->enableSlaves = false;
        $result = call_user_func($callback, $this);
        $this->enableSlaves = $enableSlave;
        return $result;
    }

Connection

__sleep

beginTransaction

cache

createCommand

createPdoInstance

getDriverName

getIsActive

getLastInsertID

getMasterPdo

getQueryBuilder

getQueryCacheInfo