'../vendor-prefixed/symfony/dependency-injection/Dumper/PhpDumper.php', 'find' => [ '\MailPoetVendor\Symfony\Component\DependencyInjection\Loader\FileLoader::ANONYMOUS_ID_REGEXP', ], 'replace' => [ "'/^\\.\\d+_[^~]*+~[._a-zA-Z\\d]{7}$/'", ], ], ]; // Apply replacements foreach ($replacements as $singleFile) { $data = file_get_contents($singleFile['file']); $data = str_replace($singleFile['find'], $singleFile['replace'], $data); file_put_contents($singleFile['file'], $data); }