Merge branch '3.2.x' into ticket/15068

phpBB/phpbb/template/base.php

@@ -161,6 +161,14 @@ abstract class base implements template
 		return $this->context->alter_block_array($blockname, $vararray, $key, $mode);
 	}
 
+	/**
+	* {@inheritdoc}
+	*/
+	public function find_key_index($blockname, $key)
+	{
+		return $this->context->find_key_index($blockname, $key);
+	}
+
 	/**
 	* Calls hook if any is defined.
 	*