-require_once("include/contact_selectors.php");
-require_once("mod/contacts.php");
-
-function crepair_init(&$a) {
+/**
+ * @file mod/crepair.php
+ */
+use Friendica\App;
+use Friendica\Core\Config;
+use Friendica\Database\DBM;
+use Friendica\Model\Contact;
+
+require_once 'include/contact_selectors.php';
+require_once 'mod/contacts.php';
+
+function crepair_init(App $a) {