original_string: public function addProperty($property, $content, $position = 100)
      {
          $attr = [
              'property' => $property,
              'content' => $content
          ];
          $this->add($attr, $position);
          return $this;
      }
code: public function addProperty($property, $content, $position = 100)
      {
          $attr = [
              'property' => $property,
              'content' => $content
          ];
          $this->add($attr, $position);
          return $this;
      }
code_tokens: public function addProperty ( $ property , $ content , $ position = 100 ) { $ attr = [ 'property' => $ property , 'content' => $ content ] ; $ this -> add ( $ attr , $ position ) ; return $ this ; }
docstring: add a property meta tag
  
  eg: <meta property="foo" content="bar" />
  
  @param string $property property name
  @param string $content  property value
  @param int    $position sort order
  
  @return Metas
  
  @access public
docstring_tokens: add a property meta tag