fix format in pdo8 Plugins (#60)

Author: eeliu

Changes.md

@@ -1,5 +1,13 @@
 ## Changes
 
+### v0.3.3
+
+* fix dsn on pdo8
+
+### v0.3.0 
+
+* add autoloader plugins
+
 ### v2.1.0
 
 * remove setting.ini

lib/Pinpoint/Plugins/SysV2/_pdo/pdo8.php

@@ -28,7 +28,8 @@
     function ($dsn, $username = null, $password = null, $options = null) use ($weakMap) {
         $pdo = pinpoint_get_this();
         if ($pdo instanceof PDO) {
-            $weakMap[$pdo] = $dsn;
+            // fix https://github.com/pinpoint-apm/pinpoint-c-agent/issues/647
+            $weakMap[$pdo] = parse_connect_string($dsn)["host"];
         }
     },
     function ($ret) {