From c9f6784f2e49232725ceb99730a4375e5190c744 Mon Sep 17 00:00:00 2001
From: Cosmo <daixianceng@gmail.com>
Date: Thu, 5 May 2016 12:04:07 +0800
Subject: [PATCH] Optimized getClientId()

---
 src/ECharts.php | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/ECharts.php b/src/ECharts.php
index 63421e1..e083433 100644
--- a/src/ECharts.php
+++ b/src/ECharts.php
@@ -146,9 +146,8 @@ private function quote($string)
      */
     public function getClientId()
     {
-        $id = $this->options['id'];
-
         if ($this->_clientId === null) {
+            $id = $this->options['id'];
             $this->_clientId = "echarts_{$id}";
         }