From bd91985ec999fc23684cd56b47740f3c57758be0 Mon Sep 17 00:00:00 2001
From: =?utf8?q?=C3=86var=20Arnfj=C3=B6r=C3=B0=20Bjarmason?=
 <avar@users.mediawiki.org>
Date: Sun, 26 Jun 2005 06:49:56 +0000
Subject: [PATCH] * Added a versionRequired() function to OutputPage, useful
 for extension   writers that want to control what version of MediaWiki their
 extension   can be used with

---
 RELEASE-NOTES           |  3 +++
 includes/OutputPage.php | 20 ++++++++++++++++++++
 languages/Language.php  |  3 +++
 3 files changed, 26 insertions(+)

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 0892f35932..0c0fce96ed 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -337,6 +337,9 @@ Various bugfixes, small features, and a few experimental things:
 * (bug 2515) Fix incremental link table update
 * Removed some wikipedia-specifica from LanguageXx.php's
 * (bug 2496) Allow MediaWiki:edithelppage to point to external page
+* Added a versionRequired() function to OutputPage, useful for extension
+  writers that want to control what version of MediaWiki their extension
+  can be used with.
 
 === Caveats ===
 
diff --git a/includes/OutputPage.php b/includes/OutputPage.php
index 43e9ba26da..18be87a6c2 100644
--- a/includes/OutputPage.php
+++ b/includes/OutputPage.php
@@ -531,6 +531,26 @@ class OutputPage {
 		wfErrorExit();
 	}
 
+	/**
+	 * Display an error page indicating that a given version of MediaWiki is
+	 * required to use it
+	 *
+	 * @param mixed $version The version of MediaWiki needed to use the page
+	 */
+	function versionRequired( $version ) {
+		global $wgUser;
+
+		$this->setPageTitle( wfMsg( 'versionrequired', $version ) );
+		$this->setHTMLTitle( wfMsg( 'versionrequired', $version ) );
+		$this->setRobotpolicy( 'noindex,nofollow' );
+		$this->setArticleRelated( false );
+		$this->mBodytext = '';
+
+		$sk = $wgUser->getSkin();
+		$this->addWikiText( wfMsg( 'versionrequiredtext', $version ) );
+		$this->returnToMain();
+	}
+	
 	/**
 	 * Display an error page noting that a given permission bit is required.
 	 * This should generally replace the sysopRequired, developerRequired etc.
diff --git a/languages/Language.php b/languages/Language.php
index cc994e9f4f..898b4fd6b3 100644
--- a/languages/Language.php
+++ b/languages/Language.php
@@ -452,6 +452,9 @@ See $1.",
 to users with the "$2" permission assigned.
 See $1.',
 
+'versionrequired' => 'Version $1 of MediaWiki required',
+'versionrequiredtext' => 'Version $1 of MediaWiki is required to use this page. See [[Special:Version]]',
+
 'nbytes'		=> '$1 bytes',
 'ok'			=> 'OK',
 'sitetitle'		=> "{{SITENAME}}",
-- 
2.20.1