original_string: public function setLastName($lname)
      {
          if (!is_string($lname)) {
              $lname = strval($lname);
          }
  
          $this->lname = $lname;
      }
code: public function setLastName($lname)
      {
          if (!is_string($lname)) {
              $lname = strval($lname);
          }
  
          $this->lname = $lname;
      }
code_tokens: public function setLastName ( $ lname ) { if ( ! is_string ( $ lname ) ) { $ lname = strval ( $ lname ) ; } $ this -> lname = $ lname ; }
docstring: Sets the last name.
  
  @param string $lname lastname
  
  @return void
docstring_tokens: Sets the last name .