public function display()
    {
        $headers = []; //
        foreach ($this->objectSettings as $k => $v) {
            $headers[] = "<meta property=\"og:$k\" content=\"$v\" />";
        }

        return implode("\n", $headers);
    }
public function display()
    {
        $headers = []; //
        foreach ($this->objectSettings as $k => $v) {
            $headers[] = "<meta property=\"og:$k\" content=\"$v\" />";
        }

        return implode("\n", $headers);
    }
public function display ( ) { $ headers = [ ] ; // foreach ( $ this -> objectSettings as $ k => $ v ) { $ headers [ ] = "<meta property=\"og:$k\" content=\"$v\" />" ; } return implode ( "\n" , $ headers ) ; }
Display in header the entire metadata;
@return string
Display in header the entire metadata ;