original_string: function change_password_url() {
          if ($this->is_internal() || empty($this->config->changepasswordurl)) {
              // Standard form.
              return null;
          } else {
              // Use admin defined custom url.
              return new moodle_url($this->config->changepasswordurl);
          }
      }
code: function change_password_url() {
          if ($this->is_internal() || empty($this->config->changepasswordurl)) {
              // Standard form.
              return null;
          } else {
              // Use admin defined custom url.
              return new moodle_url($this->config->changepasswordurl);
          }
      }
code_tokens: function change_password_url ( ) { if ( $ this -> is_internal ( ) || empty ( $ this -> config -> changepasswordurl ) ) { // Standard form. return null ; } else { // Use admin defined custom url. return new moodle_url ( $ this -> config -> changepasswordurl ) ; } }
docstring: Returns the URL for changing the user's pw, or empty if the default can
  be used.
  
  @return moodle_url
docstring_tokens: Returns the URL for changing the user s pw or empty if the default can be used .