original_string: public function setFirstName($fname)
      {
          if (!is_string($fname)) {
              $fname = strval($fname);
          }
  
          $this->fname = $fname;
      }
code: public function setFirstName($fname)
      {
          if (!is_string($fname)) {
              $fname = strval($fname);
          }
  
          $this->fname = $fname;
      }
code_tokens: public function setFirstName ( $ fname ) { if ( ! is_string ( $ fname ) ) { $ fname = strval ( $ fname ) ; } $ this -> fname = $ fname ; }
docstring: Sets the first name.
  
  @param string $fname firstname
  
  @return void
docstring_tokens: Sets the first name .