use Normalizer when creating databases

jsteemann · jsteemann · commit 8b155745cef6 · 2021-08-31T13:10:24.000+02:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -5,6 +5,10 @@
 This version of the PHP driver is compatible with PHP versions 7.4 and 8.0.
 Older versions of PHP are not supported.
 
+It is recommended to install the `php-intl` module so the PHP driver can access
+the `Normalizer` class of that module. This is needed to create databases with
+the extended database naming convention that can be enabled in ArangoDB 3.9.
+
 This version of the PHP driver removes the following functionality, which was deprecated
 in a previous release and is not available in ArangoDB 3.9 anymore:
 
diff --git a/lib/ArangoDBClient/Database.php b/lib/ArangoDBClient/Database.php
@@ -58,6 +58,14 @@ class Database
      */
     public static function create(Connection $connection, $name, array $options = [])
     {
+        try {
+            // NFC-normalize the database name, as this is required
+            // by the server
+            $name = \Normalizer::normalize($name, \Normalizer::FORM_C);
+        } catch (\Exception $e) {
+            // don't fail if Unicode normalization doesn't work.
+            // probably it is not installed.
+        }
         $payload = [
             self::ENTRY_DATABASE_NAME  => $name,
             self::ENTRY_DATABASE_USERS => [
