From: Daniel Friesen <dantman@users.mediawiki.org>
Date: Thu, 1 Sep 2011 08:34:29 +0000 (+0000)
Subject: Followup r95947, undo accidental revert of r95946.
X-Git-Tag: 1.31.0-rc.0~27984
X-Git-Url: http://git.cyclocoop.org/data/Fool?a=commitdiff_plain;h=2b84c8e8e2f7647d30e069dfe485406d5067bde4;p=lhc%2Fweb%2Fwiklou.git

Followup r95947, undo accidental revert of r95946.
---

diff --git a/includes/Title.php b/includes/Title.php
index 932e56cbcb..56713cdf5d 100644
--- a/includes/Title.php
+++ b/includes/Title.php
@@ -3860,6 +3860,18 @@ class Title {
 			&& $this->getDBkey() === $title->getDBkey();
 	}
 
+	/**
+	 * Check if this title is a subpage of another title
+	 *
+	 * @param $title Title
+	 * @return Bool
+	 */
+	public function isSubpageOf( Title $title ) {
+		return $this->getInterwiki() === $title->getInterwiki()
+			&& $this->getNamespace() == $title->getNamespace()
+			&& strpos( $this->getDBkey(), $title->getDBkey() . '/' ) === 0;
+	}
+
 	/**
 	 * Callback for usort() to do title sorts by (namespace, title)
 	 *