public function set_left($style) {
        if ($style == 1) {
            $this->format['borders']['left']['style'] = PHPExcel_Style_Border::BORDER_THIN;
        } else if ($style == 2) {
            $this->format['borders']['left']['style'] = PHPExcel_Style_Border::BORDER_THICK;
        } else {
            $this->format['borders']['left']['style'] = PHPExcel_Style_Border::BORDER_NONE;
        }
    }
public function set_left($style) {
        if ($style == 1) {
            $this->format['borders']['left']['style'] = PHPExcel_Style_Border::BORDER_THIN;
        } else if ($style == 2) {
            $this->format['borders']['left']['style'] = PHPExcel_Style_Border::BORDER_THICK;
        } else {
            $this->format['borders']['left']['style'] = PHPExcel_Style_Border::BORDER_NONE;
        }
    }
public function set_left ( $ style ) { if ( $ style == 1 ) { $ this -> format [ 'borders' ] [ 'left' ] [ 'style' ] = PHPExcel_Style_Border :: BORDER_THIN ; } else if ( $ style == 2 ) { $ this -> format [ 'borders' ] [ 'left' ] [ 'style' ] = PHPExcel_Style_Border :: BORDER_THICK ; } else { $ this -> format [ 'borders' ] [ 'left' ] [ 'style' ] = PHPExcel_Style_Border :: BORDER_NONE ; } }
Set the left border of the format.

@param integer $style style for the cell. 1 => thin, 2 => thick
Set the left border of the format .