protected function YamlDirectoryDiscovery::getIdentifier in Drupal 8

Same name and namespace in other branches

1. 9 core/lib/Drupal/Component/Discovery/YamlDirectoryDiscovery.php \Drupal\Component\Discovery\YamlDirectoryDiscovery::getIdentifier()

Gets the identifier from the data.

Parameters

string $file: The filename.

array $data: The data from the YAML file.

Return value

string The identifier from the data.

File

core/lib/Drupal/Component/Discovery/YamlDirectoryDiscovery.php, line 112

Class

YamlDirectoryDiscovery

Discovers multiple YAML files in a set of directories.

Namespace

Drupal\Component\Discovery

Code

protected function getIdentifier($file, array $data) {
  if (!isset($data[$this->idKey])) {
    throw new DiscoveryException("The {$file} contains no data in the identifier key '{$this->idKey}'");
  }
  return $data[$this->idKey];
}