original_string: public function field($name)
      {
          if (!isset($this->_fields[$name])) {
              return null;
          }
  
          return $this->_fields[$name];
      }
code: public function field($name)
      {
          if (!isset($this->_fields[$name])) {
              return null;
          }
  
          return $this->_fields[$name];
      }
code_tokens: public function field ( $ name ) { if ( ! isset ( $ this -> _fields [ $ name ] ) ) { return null ; } return $ this -> _fields [ $ name ] ; }
docstring: Get the attributes for a given field.
  
  @param string $name The field name.
  @return null|array The attributes for a field, or null.
docstring_tokens: Get the attributes for a given field .