public function ModuleHandler::buildModuleDependencies in Drupal 8

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Extension/ModuleHandler.php \Drupal\Core\Extension\ModuleHandler::buildModuleDependencies()
2. 10 core/lib/Drupal/Core/Extension/ModuleHandler.php \Drupal\Core\Extension\ModuleHandler::buildModuleDependencies()

Determines which modules require and are required by each module.

Parameters

array $modules: An array of module objects keyed by module name. Each object contains information discovered during a Drupal\Core\Extension\ExtensionDiscovery scan.

Return value

The same array with the new keys for each module:

• requires: An array with the keys being the modules that this module requires.
• required_by: An array with the keys being the modules that will not work without this module.

Overrides ModuleHandlerInterface::buildModuleDependencies

See also

\Drupal\Core\Extension\ExtensionDiscovery

File

core/lib/Drupal/Core/Extension/ModuleHandler.php, line 223

Class

ModuleHandler

Class that manages modules in a Drupal installation.

Namespace

Drupal\Core\Extension

Code

public function buildModuleDependencies(array $modules) {
  foreach ($modules as $module) {
    $graph[$module
      ->getName()]['edges'] = [];
    if (isset($module->info['dependencies']) && is_array($module->info['dependencies'])) {
      foreach ($module->info['dependencies'] as $dependency) {
        $dependency_data = Dependency::createFromString($dependency);
        $graph[$module
          ->getName()]['edges'][$dependency_data
          ->getName()] = $dependency_data;
      }
    }
  }
  $graph_object = new Graph($graph);
  $graph = $graph_object
    ->searchAndSort();
  foreach ($graph as $module_name => $data) {
    $modules[$module_name]->required_by = isset($data['reverse_paths']) ? $data['reverse_paths'] : [];
    $modules[$module_name]->requires = isset($data['paths']) ? $data['paths'] : [];
    $modules[$module_name]->sort = $data['weight'];
  }
  return $modules;
}