function _update_manager_unique_identifier
Returns a short unique identifier for this Drupal installation.
Return value
string An eight character string uniquely identifying this Drupal installation.
2 calls to _update_manager_unique_identifier()
- _update_manager_cache_directory in core/
modules/ update/ update.module  - Returns the directory where update archive files should be cached.
 - _update_manager_extract_directory in core/
modules/ update/ update.module  - Returns the directory where update archive files should be extracted.
 
File
- 
              core/
modules/ update/ update.module, line 605  
Code
function _update_manager_unique_identifier() {
  static $id;
  if (!isset($id)) {
    $id = substr(hash('sha256', Settings::getHashSalt()), 0, 8);
  }
  return $id;
}
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