From f91929761a22c092ed14a0230c2188483720f13d Mon Sep 17 00:00:00 2001
From: Klimov Paul <klimov.paul@gmail.com>
Date: Mon, 10 Nov 2014 14:53:15 +0200
Subject: [PATCH] `yii\log\Logger::flush()` updated to reset messages before
 passing them to the dispatcher.

---
 framework/log/Logger.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/framework/log/Logger.php b/framework/log/Logger.php
index 702ece9b9e1..90a02d24ef4 100644
--- a/framework/log/Logger.php
+++ b/framework/log/Logger.php
@@ -162,10 +162,11 @@ public function log($message, $level, $category = 'application')
      */
     public function flush($final = false)
     {
+        $messages = $this->messages;
+        $this->messages = []; // prevent processing same message twice in case flush is invoked during dispatching
         if ($this->dispatcher instanceof Dispatcher) {
-            $this->dispatcher->dispatch($this->messages, $final);
+            $this->dispatcher->dispatch($messages, $final);
         }
-        $this->messages = [];
     }
 
     /**