How does Magento\Setup\Module\Di\Compiler\Config\Reader::fillThirdPartyInterfaces() work?

dmitry_fedyuk · October 13, 2017, 11:18pm

Context: How does Magento\Setup\Module\Di\Compiler\Config\Reader::generateCachePerScope() work?

magento/magento2/blob/2.2.0/setup/src/Magento/Setup/Module/Di/Compiler/Config/Reader.php#L144-L163


/**
 * Returns preferences for third party code
 *
 * @param ConfigInterface $config
 * @param DefinitionsCollection $definitionsCollection
 *
 * @return void
 */
private function fillThirdPartyInterfaces(ConfigInterface $config, DefinitionsCollection $definitionsCollection)
{
    $definedInstances = $definitionsCollection->getInstancesNamesList();


    foreach (array_keys($config->getPreferences()) as $interface) {
        if (in_array($interface, $definedInstances)) {
            continue;
        }


        $definitionsCollection->addDefinition($interface, []);
    }
}