From 715826e3c0cc2eba67ae40a74f23fff3e75f425f Mon Sep 17 00:00:00 2001
From: Brion Vibber <brion@users.mediawiki.org>
Date: Sun, 22 Jan 2006 04:05:30 +0000
Subject: [PATCH] * Fix backup dump text prefetch for XMLReader constant
 changes in PHP 5.1

---
 RELEASE-NOTES                  |  1 +
 maintenance/backupPrefetch.inc | 38 ++++++++++++++++++++++++++++++++++
 2 files changed, 39 insertions(+)

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index a09da669f5..0cd402789d 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -554,6 +554,7 @@ fully support the editing toolbar, but was found to be too confusing.
 * Allow local cdb-based interwiki cache
 * Use the "block", not the "protect" permission, when determining whether to
   show a "block user" link in the toolbox
+* Fix backup dump text prefetch for XMLReader constant changes in PHP 5.1
 
 
 === Caveats ===
diff --git a/maintenance/backupPrefetch.inc b/maintenance/backupPrefetch.inc
index f5645c15b9..413247d75e 100644
--- a/maintenance/backupPrefetch.inc
+++ b/maintenance/backupPrefetch.inc
@@ -1,5 +1,43 @@
 <?php
 
+// Some smart guy removed XMLReader's global constants from PHP 5.1
+// and replaced them with class constants. Breaking source compatibility
+// is SUPER awesome, and I love languages which do this constantly!
+$xmlReaderConstants = array(
+	"NONE",
+	"ELEMENT",
+	"ATTRIBUTE", 
+	"TEXT",
+	"CDATA",
+	"ENTITY_REF",
+	"ENTITY",
+	"PI",
+	"COMMENT",
+	"DOC",
+	"DOC_TYPE",
+	"DOC_FRAGMENT",
+	"NOTATION",
+	"WHITESPACE",
+	"SIGNIFICANT_WHITESPACE",
+	"END_ELEMENT",
+	"END_ENTITY",
+	"XML_DECLARATION",
+	"LOADDTD",
+	"DEFAULTATTRS",
+	"VALIDATE",
+	"SUBST_ENTITIES" );
+foreach( $xmlReaderConstants as $name ) {
+	$fullName = "XMLREADER_$name";
+	$newName = "XMLReader::$name";
+	if( !defined( $fullName ) ) {
+		if( defined( $newName ) ) {
+			define( $fullName, constant( $newName ) );
+		} else {
+			// broken or missing the extension...
+		}
+	}
+}
+
 /**
  * Readahead helper for making large MediaWiki data dumps;
  * reads in a previous XML dump to sequentially prefetch text
-- 
2.20.1