From 8a8ac14ab925df683ecd481c986662acf885c96c Mon Sep 17 00:00:00 2001
From: Anatoly Pashin <anatoly.pashin@gmail.com>
Date: Wed, 6 Sep 2017 18:31:45 +1000
Subject: [PATCH] SP-127: fix for php 7.2

---
 framework/web/CHttpSession.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/framework/web/CHttpSession.php b/framework/web/CHttpSession.php
index 6f949de959..a5f7010cb5 100644
--- a/framework/web/CHttpSession.php
+++ b/framework/web/CHttpSession.php
@@ -111,7 +111,9 @@ public function open()
 		if($this->getUseCustomStorage())
 			@session_set_save_handler(array($this,'openSession'),array($this,'closeSession'),array($this,'readSession'),array($this,'writeSession'),array($this,'destroySession'),array($this,'gcSession'));
 
-		@session_start();
+        if (session_status() !== PHP_SESSION_ACTIVE) {
+            @session_start();
+        }
 		if(YII_DEBUG && session_id()=='')
 		{
 			$message=Yii::t('yii','Failed to start session.');