From 5d70f612be113336d6a85146369232c87d1b069b Mon Sep 17 00:00:00 2001
From: brunoais <brunoaiss@gmail.com>
Date: Sun, 1 Mar 2015 11:39:20 +0000
Subject: [PATCH] [feature/sql-bool-builder] Explain better the code in the
 first

Explain what that if and check is for in the first method that is called.

PHPBB3-13652
---
 phpBB/phpbb/db/driver/driver.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/phpBB/phpbb/db/driver/driver.php b/phpBB/phpbb/db/driver/driver.php
index d2bb5f4f7c..cda2f7f86d 100644
--- a/phpBB/phpbb/db/driver/driver.php
+++ b/phpBB/phpbb/db/driver/driver.php
@@ -807,6 +807,8 @@ abstract class driver implements driver_interface
 
 	protected function _process_boolean_tree_first($operations_ary)
 	{
+		// In cases where an array exists but there is no head condition,
+		// it should be because there's only 1 WHERE clause. This seems the best way to deal with it.
 		if ($operations_ary[0] !== 'AND' &&
 			$operations_ary[0] !== 'OR')
 		{