public function getSizeValue()
    {
        if (is_null($this->size)) {
            $this->size = $this->getFirst('size');
        }

        return $this->size;
    }
public function getSizeValue()
    {
        if (is_null($this->size)) {
            $this->size = $this->getFirst('size');
        }

        return $this->size;
    }
public function getSizeValue ( ) { if ( is_null ( $ this -> size ) ) { $ this -> size = $ this -> getFirst ( 'size' ) ; } return $ this -> size ; }
Gets the size value

@return mix (int|string)
Gets the size value