protected function ConfigBase::validateKeys in Drupal 10

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/Config/ConfigBase.php \Drupal\Core\Config\ConfigBase::validateKeys()
2. 9 core/lib/Drupal/Core/Config/ConfigBase.php \Drupal\Core\Config\ConfigBase::validateKeys()

Validates all keys in a passed in config array structure.

Parameters

array $data: Configuration array structure.

Return value

null

Throws

\Drupal\Core\Config\ConfigValueException If any key in $data in any depth contains a dot.

File

core/lib/Drupal/Core/Config/ConfigBase.php, line 208

Class

ConfigBase

Provides a base class for configuration objects with get/set support.

Namespace

Drupal\Core\Config

Code

protected function validateKeys(array $data) {
  foreach ($data as $key => $value) {
    if (strpos($key, '.') !== FALSE) {
      throw new ConfigValueException("{$key} key contains a dot which is not supported.");
    }
    if (is_array($value)) {
      $this
        ->validateKeys($value);
    }
  }
}