original_string: public function getOwnerName()
      {
          $userId = $this->getOwner();
          if ($userId) {
              $userData = posix_getpwuid($userId);
              return ((isset($userData['name'])) ? $userData['name'] : null);
          }
          return false;
      }
code: public function getOwnerName()
      {
          $userId = $this->getOwner();
          if ($userId) {
              $userData = posix_getpwuid($userId);
              return ((isset($userData['name'])) ? $userData['name'] : null);
          }
          return false;
      }
code_tokens: public function getOwnerName ( ) { $ userId = $ this -> getOwner ( ) ; if ( $ userId ) { $ userData = posix_getpwuid ( $ userId ) ; return ( ( isset ( $ userData [ 'name' ] ) ) ? $ userData [ 'name' ] : null ) ; } return false ; }
docstring: return user name of the file or directory
  
  @return      string         user name of file owner
docstring_tokens: return user name of the file or directory