public function ConfigManager::diff in Drupal 8
Same name and namespace in other branches
- 9 core/lib/Drupal/Core/Config/ConfigManager.php \Drupal\Core\Config\ConfigManager::diff()
- 10 core/lib/Drupal/Core/Config/ConfigManager.php \Drupal\Core\Config\ConfigManager::diff()
Creates a Diff object using the config data from the two storages.
@todo Make renderer injectable
Parameters
\Drupal\Core\Config\StorageInterface $source_storage: The storage to diff configuration from.
\Drupal\Core\Config\StorageInterface $target_storage: The storage to diff configuration to.
string $source_name: The name of the configuration object in the source storage to diff.
string $target_name: (optional) The name of the configuration object in the target storage. If omitted, the source name is used.
string $collection: (optional) The configuration collection name. Defaults to the default collection.
Return value
\Drupal\Component\Diff\Diff A Diff object using the config data from the two storages.
Overrides ConfigManagerInterface::diff
See also
\Drupal\Core\Diff\DiffFormatter
File
- core/
lib/ Drupal/ Core/ Config/ ConfigManager.php, line 176
Class
- ConfigManager
- The ConfigManager provides helper functions for the configuration system.
Namespace
Drupal\Core\ConfigCode
public function diff(StorageInterface $source_storage, StorageInterface $target_storage, $source_name, $target_name = NULL, $collection = StorageInterface::DEFAULT_COLLECTION) {
if ($collection != StorageInterface::DEFAULT_COLLECTION) {
$source_storage = $source_storage
->createCollection($collection);
$target_storage = $target_storage
->createCollection($collection);
}
if (!isset($target_name)) {
$target_name = $source_name;
}
// The output should show configuration object differences formatted as YAML.
// But the configuration is not necessarily stored in files. Therefore, they
// need to be read and parsed, and lastly, dumped into YAML strings.
$source_data = explode("\n", Yaml::encode($source_storage
->read($source_name)));
$target_data = explode("\n", Yaml::encode($target_storage
->read($target_name)));
// Check for new or removed files.
if ($source_data === [
'false',
]) {
// Added file.
// Cast the result of t() to a string, as the diff engine doesn't know
// about objects.
$source_data = [
(string) $this
->t('File added'),
];
}
if ($target_data === [
'false',
]) {
// Deleted file.
// Cast the result of t() to a string, as the diff engine doesn't know
// about objects.
$target_data = [
(string) $this
->t('File removed'),
];
}
return new Diff($source_data, $target_data);
}