public function credit_adjustment($amount)
	{
		$amount = intval($amount);

		$this->credit = ($amount > 0 ? $amount : 0);

		$this->_saveBalance('update');
	}
public function credit_adjustment($amount)
	{
		$amount = intval($amount);

		$this->credit = ($amount > 0 ? $amount : 0);

		$this->_saveBalance('update');
	}
public function credit_adjustment ( $ amount ) { $ amount = intval ( $ amount ) ; $ this -> credit = ( $ amount > 0 ? $ amount : 0 ) ; $ this -> _saveBalance ( 'update' ) ; }
Make credit adjustment

@param   integer  $amount  Amount to credit
@return  void
Make credit adjustment