refactor: fix PHP styling

Author: ScuffedNewt

app/Http/Controllers/Users/TradeController.php

@@ -575,6 +575,7 @@ public function getEditListing($id) {
      * Creates a new trade listing.
      *
      * @param App\Services\TradeListingManager $service
+     * @param mixed|null                       $id
      *
      * @return \Illuminate\Http\RedirectResponse
      */

app/Services/TradeListingManager.php

@@ -26,8 +26,9 @@ class TradeListingManager extends Service {
     /**
      * Creates a new trade listing.
      *
-     * @param array $data
-     * @param User  $user
+     * @param array      $data
+     * @param User       $user
+     * @param mixed|null $id
      *
      * @return bool|TradeListing
      */
@@ -170,7 +171,7 @@ private function handleSeekingAssets($listing, $data, $user) {
                         if (!$asset->allow_transfer) {
                             throw new \Exception('One or more of the selected items cannot be transferred.');
                         }
-                    } else if ($type == 'Currency') {
+                    } elseif ($type == 'Currency') {
                         if (!$asset->is_user_owned) {
                             throw new \Exception('One or more of the selected currencies cannot be held by users.');
                         }