Validates a YAML file.

Parameters

mixed $content:

string $file:

Return value

array

Throws

InvalidArgumentException When service file is not valid.

1 call to YamlFileLoader::validate()

YamlFileLoader::loadFile in core/lib/Drupal/Core/DependencyInjection/YamlFileLoader.php

Loads a YAML file.

File

core/lib/Drupal/Core/DependencyInjection/YamlFileLoader.php, line 447

Class

YamlFileLoader

YamlFileLoader loads YAML files service definitions.

Namespace

Drupal\Core\DependencyInjection

Code

private function validate($content, $file) {
  if (null === $content) {
    return $content;
  }
  if (!is_array($content)) {
    throw new InvalidArgumentException(sprintf('The service file "%s" is not valid. It should contain an array. Check your YAML syntax.', $file));
  }
  if ($invalid_keys = array_keys(array_diff_key($content, array(
    'parameters' => 1,
    'services' => 1,
  )))) {
    throw new InvalidArgumentException(sprintf('The service file "%s" is not valid: it contains invalid root key(s) "%s". Services have to be added under "services" and Parameters under "parameters".', $file, implode('", "', $invalid_keys)));
  }
  return $content;
}

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