public function createPHPExcelObject($filename = null)
    {
        return (null === $filename) ? new \PHPExcel() : call_user_func(array($this->phpExcelIO, 'load'), $filename);
    }
public function createPHPExcelObject($filename = null)
    {
        return (null === $filename) ? new \PHPExcel() : call_user_func(array($this->phpExcelIO, 'load'), $filename);
    }
public function createPHPExcelObject ( $ filename = null ) { return ( null === $ filename ) ? new \ PHPExcel ( ) : call_user_func ( array ( $ this -> phpExcelIO , 'load' ) , $ filename ) ; }
Creates an empty PHPExcel Object if the filename is empty, otherwise loads the file into the object.

@param string $filename

@return \PHPExcel
Creates an empty PHPExcel Object if the filename is empty otherwise loads the file into the object .