From: Edward Chernenko <edwardspec@gmail.com>
Date: Sun, 29 Nov 2015 15:46:24 +0000 (+0300)
Subject: Fix "Undefined property: DiffEngine::$seq" under HHVM in DairikiDiff.php
X-Git-Tag: 1.31.0-rc.0~8855
X-Git-Url: http://git.cyclocoop.org//%27%40script%40/%27?a=commitdiff_plain;h=bd43acbca60b49ecb07aed37eecc8f59341f14e2;p=lhc%2Fweb%2Fwiklou.git

Fix "Undefined property: DiffEngine::$seq" under HHVM in DairikiDiff.php

Bug: T116266
Change-Id: I94ed1ce946b4c3e757405167d6c4530a5863a220
---

diff --git a/includes/diff/DairikiDiff.php b/includes/diff/DairikiDiff.php
index 264c87fdfc..74019923d0 100644
--- a/includes/diff/DairikiDiff.php
+++ b/includes/diff/DairikiDiff.php
@@ -296,9 +296,9 @@ class DiffEngine {
 			$this->xchanged = $this->ychanged = array();
 			$this->xv = $this->yv = array();
 			$this->xind = $this->yind = array();
-			unset( $this->seq );
-			unset( $this->in_seq );
-			unset( $this->lcs );
+			$this->seq = array();
+			$this->in_seq = array();
+			$this->lcs = 0;
 
 			// Skip leading common lines.
 			for ( $skip = 0; $skip < $n_from && $skip < $n_to; $skip++ ) {