Merge pull request #16 from stanley-cheung/update-to-1_26

Update to v1.26

Author: stanley-cheung

composer.json

@@ -5,7 +5,7 @@
   "keywords": ["rpc"],
   "homepage": "https://grpc.io",
   "license": "Apache-2.0",
-  "version": "1.25.0",
+  "version": "1.26.0",
   "require": {
     "php": ">=5.5.0"
   },

src/lib/BaseStub.php

@@ -43,10 +43,12 @@ class BaseStub
      */
     public function __construct($hostname, $opts, $channel = null)
     {
-        $ssl_roots = file_get_contents(
-            dirname(__FILE__).'/../../etc/roots.pem'
-        );
-        ChannelCredentials::setDefaultRootsPem($ssl_roots);
+        if (!ChannelCredentials::isDefaultRootsPemSet()) {
+            $ssl_roots = file_get_contents(
+                dirname(__FILE__).'/../../../../etc/roots.pem'
+            );
+            ChannelCredentials::setDefaultRootsPem($ssl_roots);
+        }
 
         $this->hostname = $hostname;
         $this->update_metadata = null;