wrapper/Excel.php
public function bold(){
        $style = array(
            'font' => array(
                'bold' => true
            )
        );
        $this->engine->getActiveSheet()->getStyle("$this->x$this->y")->applyFromArray($style);
        return $this;
    }
public function bold(){
        $style = array(
            'font' => array(
                'bold' => true
            )
        );
        $this->engine->getActiveSheet()->getStyle("$this->x$this->y")->applyFromArray($style);
        return $this;
    }
public function bold ( ) { $ style = array ( 'font' => array ( 'bold' => true ) ) ; $ this -> engine -> getActiveSheet ( ) -> getStyle ( "$this->x$this->y" ) -> applyFromArray ( $ style ) ; return $ this ; }
Make the cell text in a cell Bold
@return Excel
Make the cell text in a cell Bold