Merge branch 'midas104/8.x' into 8.x

Author: taylorotwell

src/Illuminate/Database/DatabaseTransactionsManager.php

@@ -58,15 +58,15 @@ public function rollback($connection, $level)
      */
     public function commit($connection)
     {
-        $this->transactions = $this->transactions->reject(function ($transaction) use ($connection) {
-            if ($transaction->connection == $connection) {
-                $transaction->executeCallbacks();
-
-                return true;
+        [$forThisConnection, $forOtherConnections] = $this->transactions->partition(
+            function ($transaction) use ($connection) {
+                return $transaction->connection == $connection;
             }
+        );
 
-            return false;
-        })->values();
+        $this->transactions = $forOtherConnections->values();
+
+        $forThisConnection->map->executeCallbacks();
     }
 
     /**