Fixed some errors

src/converter/hestiacp-php-set-ver.go

@@ -172,7 +172,7 @@ func setUserPhpPathVer(username string, php_ver string, php_path string) error {
 		}
 	}
 	path_to_php_config := path.Join(root_path, PATH_TO_CONFIG_NAME)
-	f, err := os.OpenFile(path_to_php_config, os.O_WRONLY, 0400)
+	f, err := os.OpenFile(path_to_php_config, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0400)
 	if err != nil {
 		return err
 	}