Merge branch 'archwiki'

Conflicts:
	extensions/FluxBBAuthPlugin.php
	extensions/SyntaxHighlight_GeSHi/README
	extensions/SyntaxHighlight_GeSHi/SyntaxHighlight_GeSHi.class.php
	extensions/SyntaxHighlight_GeSHi/SyntaxHighlight_GeSHi.i18n.php
	extensions/SyntaxHighlight_GeSHi/SyntaxHighlight_GeSHi.php
	extensions/SyntaxHighlight_GeSHi/geshi/docs/CHANGES
	extensions/SyntaxHighlight_GeSHi/geshi/docs/THANKS
	extensions/SyntaxHighlight_GeSHi/geshi/docs/TODO
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractClass.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractClass_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractMethod.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractPrivateClass.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractPrivateClass_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractPrivateMethod.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Class.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Class_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Constant.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Constructor.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Destructor.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Function.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Global.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/I.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Index.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Interface.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Interface_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/L.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Lminus.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Lplus.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Method.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Page.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Page_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/PrivateClass.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/PrivateClass_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/PrivateMethod.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/PrivateVariable.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/StaticMethod.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/StaticVariable.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/T.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Tminus.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Tplus.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Variable.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/blank.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/class_folder.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/file.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/folder.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/function_folder.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/next_button.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/next_button_disabled.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/package.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/package_folder.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/previous_button.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/previous_button_disabled.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/private_class_logo.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/tutorial.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/tutorial_folder.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/up_button.png
	extensions/SyntaxHighlight_GeSHi/geshi/docs/geshi-doc.html
	extensions/SyntaxHighlight_GeSHi/geshi/docs/geshi-doc.txt
	extensions/SyntaxHighlight_GeSHi/geshi/geshi.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/4cs.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/6502acme.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/6502kickass.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/6502tasm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/68000devpac.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/abap.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/actionscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/actionscript3.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ada.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/algol68.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/apache.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/applescript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/apt_sources.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/asm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/asp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/autoconf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/autohotkey.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/autoit.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/avisynth.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/awk.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/bascomavr.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/bash.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/basic4gl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/bf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/bibtex.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/blitzbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/bnf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/boo.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/c.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/c_loadrunner.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/c_mac.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/caddcl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cadlisp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cfdg.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cfm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/chaiscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cil.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/clojure.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cmake.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cobol.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/coffeescript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cpp-qt.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cpp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/csharp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/css.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/cuesheet.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/d.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/dcs.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/delphi.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/diff.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/div.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/dos.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/dot.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/e.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ecmascript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/eiffel.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/email.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/epc.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/erlang.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/euphoria.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/f1.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/falcon.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/fo.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/fortran.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/freebasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/fsharp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gambas.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gdb.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/genero.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/genie.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gettext.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/glsl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gml.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gnuplot.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/go.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/groovy.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/gwbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/haskell.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/hicest.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/hq9plus.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/html4strict.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/html5.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/icon.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/idl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ini.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/inno.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/intercal.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/io.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/j.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/java.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/java5.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/javascript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/jquery.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/kixtart.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/klonec.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/klonecpp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/latex.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lb.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lisp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/llvm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/locobasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/logtalk.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lolcode.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lotusformulas.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lotusscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lsl2.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/lua.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/m68k.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/magiksf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/make.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mapbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/matlab.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mirc.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mmix.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/modula2.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/modula3.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mpasm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mxml.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/mysql.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/newlisp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/nsis.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oberon2.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/objc.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/objeck.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ocaml-brief.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ocaml.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oobas.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oracle11.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oracle8.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oxygene.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/oz.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pascal.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pcre.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/per.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/perl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/perl6.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/php-brief.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/php.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pic16.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pike.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pixelbender.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pli.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/plsql.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/postgresql.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/povray.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/powerbuilder.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/powershell.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/proftpd.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/progress.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/prolog.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/properties.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/providex.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/purebasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/pycon.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/python.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/q.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/qbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/rails.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/rebol.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/reg.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/robots.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/rpmspec.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/rsplus.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/ruby.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/sas.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/scala.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/scheme.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/scilab.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/sdlbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/smalltalk.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/smarty.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/sql.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/systemverilog.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/tcl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/teraterm.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/text.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/thinbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/tsql.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/typoscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/unicon.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/uscript.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/vala.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/vb.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/vbnet.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/verilog.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/vhdl.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/vim.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/visualfoxpro.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/visualprolog.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/whitespace.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/whois.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/winbatch.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/xbasic.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/xml.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/xorg_conf.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/xpp.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/yaml.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/z80.php
	extensions/SyntaxHighlight_GeSHi/geshi/geshi/zxbasic.php

1 files changed, 141 insertions, 74 deletions

diff --git a/includes/SiteConfiguration.php b/includes/SiteConfiguration.php
index 6a861d8e..fa871fe0 100644
--- a/includes/SiteConfiguration.php
+++ b/includes/SiteConfiguration.php
@@ -83,7 +83,7 @@
  * $conf->settings = array(
  *	'wgMergeSetting' = array(
  *		# Value that will be shared among all wikis:
- *		'default' => array(  NS_USER => true ),
+ *		'default' => array( NS_USER => true ),
  *
  *		# Leading '+' means merging the array of value with the defaults
  *		'+beta' => array( NS_HELP => true ),
@@ -162,12 +162,18 @@ class SiteConfiguration {
 	public $siteParamsCallback = null;
 
 	/**
+	 * Configuration cache for getConfig()
+	 * @var array
+	 */
+	protected $cfgCache = array();
+
+	/**
 	 * Retrieves a configuration setting for a given wiki.
-	 * @param $settingName String ID of the setting name to retrieve
-	 * @param $wiki String Wiki ID of the wiki in question.
-	 * @param $suffix String The suffix of the wiki in question.
-	 * @param $params Array List of parameters. $.'key' is replaced by $value in all returned data.
-	 * @param $wikiTags Array The tags assigned to the wiki.
+	 * @param string $settingName ID of the setting name to retrieve
+	 * @param string $wiki Wiki ID of the wiki in question.
+	 * @param string $suffix The suffix of the wiki in question.
+	 * @param array $params List of parameters. $.'key' is replaced by $value in all returned data.
+	 * @param array $wikiTags The tags assigned to the wiki.
 	 * @return Mixed the value of the setting requested.
 	 */
 	public function get( $settingName, $wiki, $suffix = null, $params = array(), $wikiTags = array() ) {
@@ -178,18 +184,18 @@ class SiteConfiguration {
 	/**
 	 * Really retrieves a configuration setting for a given wiki.
 	 *
-	 * @param $settingName String ID of the setting name to retrieve.
-	 * @param $wiki String Wiki ID of the wiki in question.
-	 * @param $params Array: array of parameters.
+	 * @param string $settingName ID of the setting name to retrieve.
+	 * @param string $wiki Wiki ID of the wiki in question.
+	 * @param array $params array of parameters.
 	 * @return Mixed the value of the setting requested.
 	 */
-	protected function getSetting( $settingName, $wiki, /*array*/ $params ){
+	protected function getSetting( $settingName, $wiki, /*array*/ $params ) {
 		$retval = null;
-		if( array_key_exists( $settingName, $this->settings ) ) {
+		if ( array_key_exists( $settingName, $this->settings ) ) {
 			$thisSetting =& $this->settings[$settingName];
 			do {
 				// Do individual wiki settings
-				if( array_key_exists( $wiki, $thisSetting ) ) {
+				if ( array_key_exists( $wiki, $thisSetting ) ) {
 					$retval = $thisSetting[$wiki];
 					break;
 				} elseif ( array_key_exists( "+$wiki", $thisSetting ) && is_array( $thisSetting["+$wiki"] ) ) {
@@ -197,16 +203,16 @@ class SiteConfiguration {
 				}
 
 				// Do tag settings
-				foreach( $params['tags'] as $tag ) {
-					if( array_key_exists( $tag, $thisSetting ) ) {
+				foreach ( $params['tags'] as $tag ) {
+					if ( array_key_exists( $tag, $thisSetting ) ) {
 						if ( isset( $retval ) && is_array( $retval ) && is_array( $thisSetting[$tag] ) ) {
 							$retval = self::arrayMerge( $retval, $thisSetting[$tag] );
 						} else {
 							$retval = $thisSetting[$tag];
 						}
 						break 2;
-					} elseif( array_key_exists( "+$tag", $thisSetting ) && is_array($thisSetting["+$tag"]) ) {
-						if( !isset( $retval ) ) {
+					} elseif ( array_key_exists( "+$tag", $thisSetting ) && is_array( $thisSetting["+$tag"] ) ) {
+						if ( !isset( $retval ) ) {
 							$retval = array();
 						}
 						$retval = self::arrayMerge( $retval, $thisSetting["+$tag"] );
@@ -214,15 +220,15 @@ class SiteConfiguration {
 				}
 				// Do suffix settings
 				$suffix = $params['suffix'];
-				if( !is_null( $suffix ) ) {
-					if( array_key_exists( $suffix, $thisSetting ) ) {
-						if ( isset($retval) && is_array($retval) && is_array($thisSetting[$suffix]) ) {
+				if ( !is_null( $suffix ) ) {
+					if ( array_key_exists( $suffix, $thisSetting ) ) {
+						if ( isset( $retval ) && is_array( $retval ) && is_array( $thisSetting[$suffix] ) ) {
 							$retval = self::arrayMerge( $retval, $thisSetting[$suffix] );
 						} else {
 							$retval = $thisSetting[$suffix];
 						}
 						break;
-					} elseif ( array_key_exists( "+$suffix", $thisSetting ) && is_array($thisSetting["+$suffix"]) ) {
+					} elseif ( array_key_exists( "+$suffix", $thisSetting ) && is_array( $thisSetting["+$suffix"] ) ) {
 						if ( !isset( $retval ) ) {
 							$retval = array();
 						}
@@ -231,8 +237,8 @@ class SiteConfiguration {
 				}
 
 				// Fall back to default.
-				if( array_key_exists( 'default', $thisSetting ) ) {
-					if( is_array( $retval ) && is_array( $thisSetting['default'] ) ) {
+				if ( array_key_exists( 'default', $thisSetting ) ) {
+					if ( is_array( $retval ) && is_array( $thisSetting['default'] ) ) {
 						$retval = self::arrayMerge( $retval, $thisSetting['default'] );
 					} else {
 						$retval = $thisSetting['default'];
@@ -242,7 +248,7 @@ class SiteConfiguration {
 			} while ( false );
 		}
 
-		if( !is_null( $retval ) && count( $params['params'] ) ) {
+		if ( !is_null( $retval ) && count( $params['params'] ) ) {
 			foreach ( $params['params'] as $key => $value ) {
 				$retval = $this->doReplace( '$' . $key, $value, $retval );
 			}
@@ -260,10 +266,10 @@ class SiteConfiguration {
 	 * @return string
 	 */
 	function doReplace( $from, $to, $in ) {
-		if( is_string( $in ) ) {
+		if ( is_string( $in ) ) {
 			return str_replace( $from, $to, $in );
-		} elseif( is_array( $in ) ) {
-			foreach( $in as $key => $val ) {
+		} elseif ( is_array( $in ) ) {
+			foreach ( $in as $key => $val ) {
 				$in[$key] = $this->doReplace( $from, $to, $val );
 			}
 			return $in;
@@ -274,16 +280,16 @@ class SiteConfiguration {
 
 	/**
 	 * Gets all settings for a wiki
-	 * @param $wiki String Wiki ID of the wiki in question.
-	 * @param $suffix String The suffix of the wiki in question.
-	 * @param $params Array List of parameters. $.'key' is replaced by $value in all returned data.
-	 * @param $wikiTags Array The tags assigned to the wiki.
+	 * @param string $wiki Wiki ID of the wiki in question.
+	 * @param string $suffix The suffix of the wiki in question.
+	 * @param array $params List of parameters. $.'key' is replaced by $value in all returned data.
+	 * @param array $wikiTags The tags assigned to the wiki.
 	 * @return Array Array of settings requested.
 	 */
 	public function getAll( $wiki, $suffix = null, $params = array(), $wikiTags = array() ) {
 		$params = $this->mergeParams( $wiki, $suffix, $params, $wikiTags );
 		$localSettings = array();
-		foreach( $this->settings as $varname => $stuff ) {
+		foreach ( $this->settings as $varname => $stuff ) {
 			$append = false;
 			$var = $varname;
 			if ( substr( $varname, 0, 1 ) == '+' ) {
@@ -304,14 +310,14 @@ class SiteConfiguration {
 
 	/**
 	 * Retrieves a configuration setting for a given wiki, forced to a boolean.
-	 * @param $setting String ID of the setting name to retrieve
-	 * @param $wiki String Wiki ID of the wiki in question.
-	 * @param $suffix String The suffix of the wiki in question.
-	 * @param $wikiTags Array The tags assigned to the wiki.
+	 * @param string $setting ID of the setting name to retrieve
+	 * @param string $wiki Wiki ID of the wiki in question.
+	 * @param string $suffix The suffix of the wiki in question.
+	 * @param array $wikiTags The tags assigned to the wiki.
 	 * @return bool The value of the setting requested.
 	 */
 	public function getBool( $setting, $wiki, $suffix = null, $wikiTags = array() ) {
-		return (bool)($this->get( $setting, $wiki, $suffix, array(), $wikiTags ) );
+		return (bool)$this->get( $setting, $wiki, $suffix, array(), $wikiTags );
 	}
 
 	/**
@@ -325,12 +331,12 @@ class SiteConfiguration {
 
 	/**
 	 * Retrieves the value of a given setting, and places it in a variable passed by reference.
-	 * @param $setting String ID of the setting name to retrieve
-	 * @param $wiki String Wiki ID of the wiki in question.
-	 * @param $suffix String The suffix of the wiki in question.
-	 * @param $var array Reference The variable to insert the value into.
-	 * @param $params Array List of parameters. $.'key' is replaced by $value in all returned data.
-	 * @param $wikiTags Array The tags assigned to the wiki.
+	 * @param string $setting ID of the setting name to retrieve
+	 * @param string $wiki Wiki ID of the wiki in question.
+	 * @param string $suffix The suffix of the wiki in question.
+	 * @param array $var Reference The variable to insert the value into.
+	 * @param array $params List of parameters. $.'key' is replaced by $value in all returned data.
+	 * @param array $wikiTags The tags assigned to the wiki.
 	 */
 	public function extractVar( $setting, $wiki, $suffix, &$var, $params = array(), $wikiTags = array() ) {
 		$value = $this->get( $setting, $wiki, $suffix, $params, $wikiTags );
@@ -341,11 +347,11 @@ class SiteConfiguration {
 
 	/**
 	 * Retrieves the value of a given setting, and places it in its corresponding global variable.
-	 * @param $setting String ID of the setting name to retrieve
-	 * @param $wiki String Wiki ID of the wiki in question.
-	 * @param $suffix String The suffix of the wiki in question.
-	 * @param $params Array List of parameters. $.'key' is replaced by $value in all returned data.
-	 * @param $wikiTags Array The tags assigned to the wiki.
+	 * @param string $setting ID of the setting name to retrieve
+	 * @param string $wiki Wiki ID of the wiki in question.
+	 * @param string $suffix The suffix of the wiki in question.
+	 * @param array $params List of parameters. $.'key' is replaced by $value in all returned data.
+	 * @param array $wikiTags The tags assigned to the wiki.
 	 */
 	public function extractGlobal( $setting, $wiki, $suffix = null, $params = array(), $wikiTags = array() ) {
 		$params = $this->mergeParams( $wiki, $suffix, $params, $wikiTags );
@@ -360,9 +366,9 @@ class SiteConfiguration {
 	public function extractGlobalSetting( $setting, $wiki, $params ) {
 		$value = $this->getSetting( $setting, $wiki, $params );
 		if ( !is_null( $value ) ) {
-			if (substr($setting,0,1) == '+' && is_array($value)) {
-				$setting = substr($setting,1);
-				if ( is_array($GLOBALS[$setting]) ) {
+			if ( substr( $setting, 0, 1 ) == '+' && is_array( $value ) ) {
+				$setting = substr( $setting, 1 );
+				if ( is_array( $GLOBALS[$setting] ) ) {
 					$GLOBALS[$setting] = self::arrayMerge( $GLOBALS[$setting], $value );
 				} else {
 					$GLOBALS[$setting] = $value;
@@ -375,10 +381,10 @@ class SiteConfiguration {
 
 	/**
 	 * Retrieves the values of all settings, and places them in their corresponding global variables.
-	 * @param $wiki String Wiki ID of the wiki in question.
-	 * @param $suffix String The suffix of the wiki in question.
-	 * @param $params Array List of parameters. $.'key' is replaced by $value in all returned data.
-	 * @param $wikiTags Array The tags assigned to the wiki.
+	 * @param string $wiki Wiki ID of the wiki in question.
+	 * @param string $suffix The suffix of the wiki in question.
+	 * @param array $params List of parameters. $.'key' is replaced by $value in all returned data.
+	 * @param array $wikiTags The tags assigned to the wiki.
 	 */
 	public function extractAllGlobals( $wiki, $suffix = null, $params = array(), $wikiTags = array() ) {
 		$params = $this->mergeParams( $wiki, $suffix, $params, $wikiTags );
@@ -395,7 +401,7 @@ class SiteConfiguration {
 	 * @param $wiki String
 	 * @return array
 	 */
-	protected function getWikiParams( $wiki ){
+	protected function getWikiParams( $wiki ) {
 		static $default = array(
 			'suffix' => null,
 			'lang' => null,
@@ -403,18 +409,18 @@ class SiteConfiguration {
 			'params' => array(),
 		);
 
-		if( !is_callable( $this->siteParamsCallback ) ) {
+		if ( !is_callable( $this->siteParamsCallback ) ) {
 			return $default;
 		}
 
 		$ret = call_user_func_array( $this->siteParamsCallback, array( $this, $wiki ) );
 		# Validate the returned value
-		if( !is_array( $ret ) ) {
+		if ( !is_array( $ret ) ) {
 			return $default;
 		}
 
-		foreach( $default as $name => $def ){
-			if( !isset( $ret[$name] ) || ( is_array( $default[$name] ) && !is_array( $ret[$name] ) ) ) {
+		foreach ( $default as $name => $def ) {
+			if ( !isset( $ret[$name] ) || ( is_array( $default[$name] ) && !is_array( $ret[$name] ) ) ) {
 				$ret[$name] = $default[$name];
 			}
 		}
@@ -427,17 +433,17 @@ class SiteConfiguration {
 	 * by self::$siteParamsCallback for backward compatibility
 	 * Values returned by self::getWikiParams() have the priority.
 	 *
-	 * @param $wiki String Wiki ID of the wiki in question.
-	 * @param $suffix String The suffix of the wiki in question.
-	 * @param $params Array List of parameters. $.'key' is replaced by $value in
+	 * @param string $wiki Wiki ID of the wiki in question.
+	 * @param string $suffix The suffix of the wiki in question.
+	 * @param array $params List of parameters. $.'key' is replaced by $value in
 	 *                all returned data.
-	 * @param $wikiTags Array The tags assigned to the wiki.
+	 * @param array $wikiTags The tags assigned to the wiki.
 	 * @return array
 	 */
-	protected function mergeParams( $wiki, $suffix, /*array*/ $params, /*array*/ $wikiTags ){
+	protected function mergeParams( $wiki, $suffix, /*array*/ $params, /*array*/ $wikiTags ) {
 		$ret = $this->getWikiParams( $wiki );
 
-		if( is_null( $ret['suffix'] ) ) {
+		if ( is_null( $ret['suffix'] ) ) {
 			$ret['suffix'] = $suffix;
 		}
 
@@ -446,10 +452,10 @@ class SiteConfiguration {
 		$ret['params'] += $params;
 
 		// Automatically fill that ones if needed
-		if( !isset( $ret['params']['lang'] ) && !is_null( $ret['lang'] ) ){
+		if ( !isset( $ret['params']['lang'] ) && !is_null( $ret['lang'] ) ) {
 			$ret['params']['lang'] = $ret['lang'];
 		}
-		if( !isset( $ret['params']['site'] ) && !is_null( $ret['suffix'] ) ) {
+		if ( !isset( $ret['params']['site'] ) && !is_null( $ret['suffix'] ) ) {
 			$ret['params']['site'] = $ret['suffix'];
 		}
 
@@ -465,19 +471,19 @@ class SiteConfiguration {
 	public function siteFromDB( $db ) {
 		// Allow override
 		$def = $this->getWikiParams( $db );
-		if( !is_null( $def['suffix'] ) && !is_null( $def['lang'] ) ) {
+		if ( !is_null( $def['suffix'] ) && !is_null( $def['lang'] ) ) {
 			return array( $def['suffix'], $def['lang'] );
 		}
 
 		$site = null;
 		$lang = null;
-		foreach ( $this->suffixes as $suffix ) {
+		foreach ( $this->suffixes as $altSite => $suffix ) {
 			if ( $suffix === '' ) {
 				$site = '';
 				$lang = $db;
 				break;
 			} elseif ( substr( $db, -strlen( $suffix ) ) == $suffix ) {
-				$site = $suffix == 'wiki' ? 'wikipedia' : $suffix;
+				$site = is_numeric( $altSite ) ? $suffix : $altSite;
 				$lang = substr( $db, 0, strlen( $db ) - strlen( $suffix ) );
 				break;
 			}
@@ -487,6 +493,67 @@ class SiteConfiguration {
 	}
 
 	/**
+	 * Get the resolved (post-setup) configuration of a potentially foreign wiki.
+	 * For foreign wikis, this is expensive, and only works if maintenance
+	 * scripts are setup to handle the --wiki parameter such as in wiki farms.
+	 *
+	 * @param string $wiki
+	 * @param array|string $settings A setting name or array of setting names
+	 * @return Array|mixed Array if $settings is an array, otherwise the value
+	 * @throws MWException
+	 * @since 1.21
+	 */
+	public function getConfig( $wiki, $settings ) {
+		global $IP;
+
+		$multi = is_array( $settings );
+		$settings = (array)$settings;
+		if ( $wiki === wfWikiID() ) { // $wiki is this wiki
+			$res = array();
+			foreach ( $settings as $name ) {
+				if ( !preg_match( '/^wg[A-Z]/', $name ) ) {
+					throw new MWException( "Variable '$name' does start with 'wg'." );
+				} elseif ( !isset( $GLOBALS[$name] ) ) {
+					throw new MWException( "Variable '$name' is not set." );
+				}
+				$res[$name] = $GLOBALS[$name];
+			}
+		} else { // $wiki is a foreign wiki
+			if ( isset( $this->cfgCache[$wiki] ) ) {
+				$res = array_intersect_key( $this->cfgCache[$wiki], array_flip( $settings ) );
+				if ( count( $res ) == count( $settings ) ) {
+					return $res; // cache hit
+				}
+			} elseif ( !in_array( $wiki, $this->wikis ) ) {
+				throw new MWException( "No such wiki '$wiki'." );
+			} else {
+				$this->cfgCache[$wiki] = array();
+			}
+			$retVal = 1;
+			$cmd = wfShellWikiCmd(
+				"$IP/maintenance/getConfiguration.php",
+				array(
+					'--wiki', $wiki,
+					'--settings', implode( ' ', $settings ),
+					'--format', 'PHP'
+				)
+			);
+			// ulimit5.sh breaks this call
+			$data = trim( wfShellExec( $cmd, $retVal, array(), array( 'memory' => 0 ) ) );
+			if ( $retVal != 0 || !strlen( $data ) ) {
+				throw new MWException( "Failed to run getConfiguration.php." );
+			}
+			$res = unserialize( $data );
+			if ( !is_array( $res ) ) {
+				throw new MWException( "Failed to unserialize configuration array." );
+			}
+			$this->cfgCache[$wiki] = $this->cfgCache[$wiki] + $res;
+		}
+
+		return $multi ? $res : current( $res );
+	}
+
+	/**
 	 * Returns true if the given vhost is handled locally.
 	 * @param $vhost String
 	 * @return bool
@@ -507,11 +574,11 @@ class SiteConfiguration {
 	 */
 	static function arrayMerge( $array1/* ... */ ) {
 		$out = $array1;
-		for( $i = 1; $i < func_num_args(); $i++ ) {
-			foreach( func_get_arg( $i ) as $key => $value ) {
-				if ( isset($out[$key]) && is_array($out[$key]) && is_array($value) ) {
+		for ( $i = 1; $i < func_num_args(); $i++ ) {
+			foreach ( func_get_arg( $i ) as $key => $value ) {
+				if ( isset( $out[$key] ) && is_array( $out[$key] ) && is_array( $value ) ) {
 					$out[$key] = self::arrayMerge( $out[$key], $value );
-				} elseif ( !isset($out[$key]) || !$out[$key] && !is_numeric($key) ) {
+				} elseif ( !isset( $out[$key] ) || !$out[$key] && !is_numeric( $key ) ) {
 					// Values that evaluate to true given precedence, for the primary purpose of merging permissions arrays.
 					$out[$key] = $value;
 				} elseif ( is_numeric( $key ) ) {