MDL-64777 analytics: Add method for identifying a model declaration

This is intended to be used to as a declaration identifier in HTML or as a HTTP parameter value.
2019-04-15 08:16:58 +02:00
parent bef0fe2000
commit 01d620ee67
2 changed files with 53 additions and 0 deletions
@@ -770,4 +770,14 @@ class manager {

        return $created;
    }
+
+    /**
+     * Returns a string uniquely representing the given model declaration.
+     *
+     * @param array $model Model declaration
+     * @return string complying with PARAM_ALPHANUM rules and starting with an 'id' prefix
+     */
+    public static function model_declaration_identifier(array $model) : string {
+        return 'id'.sha1(serialize($model));
+    }
 }