original_string: public function get_identifier() {
          static $instances = 0;
          if ($this->lockidentifier === null) {
              $this->lockidentifier = md5(
                  $this->get_definition()->generate_definition_hash() .
                  sesskey() .
                  $instances++ .
                  'cache_application'
              );
          }
          return $this->lockidentifier;
      }
code: public function get_identifier() {
          static $instances = 0;
          if ($this->lockidentifier === null) {
              $this->lockidentifier = md5(
                  $this->get_definition()->generate_definition_hash() .
                  sesskey() .
                  $instances++ .
                  'cache_application'
              );
          }
          return $this->lockidentifier;
      }
code_tokens: public function get_identifier ( ) { static $ instances = 0 ; if ( $ this -> lockidentifier === null ) { $ this -> lockidentifier = md5 ( $ this -> get_definition ( ) -> generate_definition_hash ( ) . sesskey ( ) . $ instances ++ . 'cache_application' ) ; } return $ this -> lockidentifier ; }
docstring: Returns the identifier to use
  
  @staticvar int $instances Counts the number of instances. Used as part of the lock identifier.
  @return string
docstring_tokens: Returns the identifier to use