[TOOLS] Fix errors pointed out by PHPStan level 4

src/Core/DB.php

@@ -50,6 +50,7 @@ use Functional as F;
 
 /**
  * @mixin EntityManager
+ *
  * @template T of Entity
  *
  * Finds an Entity by its identifier. You probably want to use DB::findBy instead.
@@ -77,6 +78,9 @@ use Functional as F;
  *
  * Executes a function in a transaction. Warning: suppresses exceptions. Returns the result of the callable.
  * @method mixed wrapInTransaction(callable $func)
+ *
+ * Refetch the given entity
+ * @method static T refetch(T $entity)
  */
 class DB
 {
@@ -272,17 +276,17 @@ class DB
     {
         $res = self::findBy($table, $criteria, $order_by, 2, $offset); // Use limit 2 to check for consistency
         switch (\count($res)) {
-        case 0:
-            if ($return_null) {
-                return null;
-            } else {
-                throw new NotFoundException("No value in table {$table} matches the requested criteria");
-            }
-            // no break
-        case 1:
-            return $res[0];
-        default:
-            throw new DuplicateFoundException("Multiple values in table {$table} match the requested criteria");
+            case 0:
+                if ($return_null) {
+                    return null;
+                } else {
+                    throw new NotFoundException("No value in table {$table} matches the requested criteria");
+                }
+                // no break
+            case 1:
+                return $res[0];
+            default:
+                throw new DuplicateFoundException("Multiple values in table {$table} match the requested criteria");
         }
     }
 
@@ -313,7 +317,8 @@ class DB
         $seqName  = $metadata->getSequenceName($conn->getDatabasePlatform());
         self::persist($owner);
         $id = (int) $conn->lastInsertId($seqName);
-        F\map(\is_array($others) ? $others : [$others], function ($o) use ($id) { $o->setId($id); self::persist($o); });
+        F\map(\is_array($others) ? $others : [$others], function ($o) use ($id) { $o->setId($id);
+        self::persist($o); });
         if (!\is_null($extra)) {
             $extra($id);
         }