--- /dev/null
+The code follows the Drupal coding standards:
+https://www.drupal.org/coding-standards
+
+Style compliance can be checked using the Coder Sniffer extension to the PEAR
+PHP_CodeSniffer project, for instructions about how to install Coder Sniffer
+see https://www.drupal.org/node/1419988
+
+Use this command to check the style:
+
+ $ phpcs --standard=Drupal .