diff --git a/.travis.yml b/.travis.yml
index 6ca5b44849..89ba7c9084 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -57,7 +57,7 @@ after_success:
 matrix:
   fast_finish: true
   include:
-    - php: "7.0"
+    - php: "7.2"
       env: CI_MODE=selenium
     - php: "7.0"
       env: CI_MODE=release
diff --git a/libraries/classes/Config/Validator.php b/libraries/classes/Config/Validator.php
index 9949ffb68a..4241422cee 100644
--- a/libraries/classes/Config/Validator.php
+++ b/libraries/classes/Config/Validator.php
@@ -186,10 +186,14 @@ class Validator
             return true;
         }
 
-        //    static::testPHPErrorMsg();
         $error = null;
         $host = Core::sanitizeMySQLHost($host);
 
+        if (function_exists('error_clear_last')) {
+            /* PHP 7 only code */
+            error_clear_last();
+        }
+
         if (DatabaseInterface::checkDbExtension('mysqli')) {
             $socket = empty($socket) ? null : $socket;
             $port = empty($port) ? null : $port;
@@ -215,9 +219,8 @@ class Validator
                 mysqli_close($conn);
             }
         }
-        //    static::testPHPErrorMsg(false);
-        if (isset($php_errormsg)) {
-            $error .= " - $php_errormsg";
+        if (! is_null($error)) {
+            $error .= ' - ' . error_get_last();
         }
         return is_null($error) ? true : array($error_key => $error);
     }