lib/Config.php
public function getDefaultConnectionString()
	{
		return array_key_exists($this->_defaultConnection, $this->_connections) ?
			$this->_connections[$this->_defaultConnection] : null;
	}
public function getDefaultConnectionString()
	{
		return array_key_exists($this->_defaultConnection, $this->_connections) ?
			$this->_connections[$this->_defaultConnection] : null;
	}
public function getDefaultConnectionString ( ) { return array_key_exists ( $ this -> _defaultConnection , $ this -> _connections ) ? $ this -> _connections [ $ this -> _defaultConnection ] : null ; }
Returns the default connection string or null if there is none.

@return string
Returns the default connection string or null if there is none .