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diff --git a/www/wiki/extensions/SemanticResultFormats/SemanticResultFormats.php b/www/wiki/extensions/SemanticResultFormats/SemanticResultFormats.php
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+<?php
+
+/**
+ * @see https://github.com/SemanticMediaWiki/SemanticResultFormats/
+ *
+ * @defgroup SRF Semantic Result Formats
+ */
+
+SemanticResultFormats::load();
+
+/**
+ * @codeCoverageIgnore
+ */
+class SemanticResultFormats {
+
+	/**
+	 * @since 2.5
+	 *
+	 * @note It is expected that this function is loaded before LocalSettings.php
+	 * to ensure that settings and global functions are available by the time
+	 * the extension is activated.
+	 */
+	public static function load() {
+
+		if ( is_readable( __DIR__ . '/vendor/autoload.php' ) ) {
+			include_once __DIR__ . '/vendor/autoload.php';
+		}
+
+		// Load DefaultSettings
+		require_once __DIR__ . '/DefaultSettings.php';
+	}
+
+	/**
+	 * @since 2.5
+	 */
+	public static function initExtension( $credits = [] ) {
+
+		// See https://phabricator.wikimedia.org/T151136
+		define( 'SRF_VERSION', isset( $credits['version'] ) ? $credits['version'] : 'UNKNOWN' );
+
+		// Register message files
+		$GLOBALS['wgMessagesDirs']['SemanticResultFormats'] = __DIR__ . '/i18n';
+		$GLOBALS['wgExtensionMessagesFiles']['SemanticResultFormats'] = __DIR__ . '/SemanticResultFormats.i18n.php';
+		$GLOBALS['wgExtensionMessagesFiles']['SemanticResultFormatsMagic'] = __DIR__ . '/SemanticResultFormats.i18n.magic.php';
+
+		$GLOBALS['srfgIP'] = __DIR__;
+		$GLOBALS['wgResourceModules'] = array_merge( $GLOBALS['wgResourceModules'], include( __DIR__ . "/Resources.php" ) );
+
+		self::registerHooks();
+	}
+
+	/**
+	 * @since 2.5
+	 */
+	public static function registerHooks() {
+		$formatDir = __DIR__ . '/formats/';
+
+		unset( $formatDir );
+
+		$GLOBALS['wgHooks']['ParserFirstCallInit'][] = 'SRFParserFunctions::registerFunctions';
+		$GLOBALS['wgHooks']['UnitTestsList'][] = 'SRFHooks::registerUnitTests';
+
+		$GLOBALS['wgHooks']['ResourceLoaderTestModules'][] = 'SRFHooks::registerQUnitTests';
+		$GLOBALS['wgHooks']['ResourceLoaderGetConfigVars'][] = 'SRFHooks::onResourceLoaderGetConfigVars';
+
+		// Format hooks
+		$GLOBALS['wgHooks']['OutputPageParserOutput'][] = 'SRF\Filtered\Hooks::onOutputPageParserOutput';
+		$GLOBALS['wgHooks']['MakeGlobalVariablesScript'][] = 'SRF\Filtered\Hooks::onMakeGlobalVariablesScript';
+
+		// register API modules
+		$GLOBALS['wgAPIModules']['ext.srf.slideshow.show'] = 'SRFSlideShowApi';
+
+		// User preference
+		$GLOBALS['wgHooks']['SMW::GetPreferences'][] = 'SRFHooks::onGetPreferences';
+
+		// Allows last minute changes to the output page, e.g. adding of CSS or JavaScript by extensions
+		$GLOBALS['wgHooks']['BeforePageDisplay'][] = 'SRFHooks::onBeforePageDisplay';
+	}
+
+	/**
+	 * @since 2.5
+	 */
+	public static function onExtensionFunction() {
+
+		if ( !defined( 'SMW_VERSION' ) ) {
+
+			if ( PHP_SAPI === 'cli' || PHP_SAPI === 'phpdbg' ) {
+				die( "\nThe 'Semantic Result Formats' extension requires 'Semantic MediaWiki' to be installed and enabled.\n" );
+			} else {
+				die(
+					'<b>Error:</b> The <a href="https://github.com/SemanticMediaWiki/SemanticResultFormats/">Semantic Result Formats</a> ' .
+					'extension requires <a href="https://www.semantic-mediawiki.org/wiki/Semantic_MediaWiki">Semantic MediaWiki</a> to be ' .
+					'installed and enabled.<br />'
+				);
+			}
+		}
+
+		// Admin Links hook needs to be called in a delayed way so that it
+		// will always be called after SMW's Admin Links addition; as of
+		// SMW 1.9, SMW delays calling all its hook functions.
+		$GLOBALS['wgHooks']['AdminLinks'][] = 'SRFHooks::addToAdminLinks';
+
+		$GLOBALS['srfgScriptPath'] = ( $GLOBALS['wgExtensionAssetsPath'] === false ? $GLOBALS['wgScriptPath'] . '/extensions' : $GLOBALS['wgExtensionAssetsPath'] ) . '/SemanticResultFormats';
+
+		$formatClasses = [
+			// Assign the Boilerplate class to a format identifier
+			// 'boilerplate' => 'SRFBoilerplate',
+			'timeline' => 'SRFTimeline',
+			'eventline' => 'SRFTimeline',
+			'vcard' => 'SRF\vCard\vCardFileExportPrinter',
+			'icalendar' => 'SRF\iCalendar\iCalendarFileExportPrinter',
+			'bibtex' => 'SRF\BibTex\BibTexFileExportPrinter',
+			'calendar' => 'SRFCalendar',
+			'eventcalendar' => 'SRF\EventCalendar',
+			'outline' => 'SRF\Outline\OutlineResultPrinter',
+			'sum' => 'SRFMath',
+			'product' => 'SRFMath',
+			'average' => 'SRFMath',
+			'min' => 'SRFMath',
+			'max' => 'SRFMath',
+			'median' => 'SRFMath',
+			'exhibit' => 'SRFExhibit',
+			'googlebar' => 'SRFGoogleBar',
+			'googlepie' => 'SRFGooglePie',
+			'jitgraph' => 'SRFJitGraph',
+			'jqplotchart' => 'SRFjqPlotChart',
+			'jqplotseries' => 'SRFjqPlotSeries',
+			'graph' => 'SRF\Graph\GraphPrinter',
+			'process' => 'SRFProcess',
+			'gallery' => 'SRF\Gallery',
+			'tagcloud' => 'SRF\TagCloud',
+			'valuerank' => 'SRFValueRank',
+			'array' => 'SRFArray',
+			'hash' => 'SRFHash',
+			'd3chart' => 'SRFD3Chart',
+			'tree' => 'SRF\Formats\Tree\TreeResultPrinter',
+			'ultree' => 'SRF\Formats\Tree\TreeResultPrinter',
+			'oltree' => 'SRF\Formats\Tree\TreeResultPrinter',
+			'filtered' => 'SRF\Filtered\Filtered',
+			'latest' => 'SRFTime',
+			'earliest' => 'SRFTime',
+			'slideshow' => 'SRFSlideShow',
+			'timeseries' => 'SRFTimeseries',
+			'sparkline' => 'SRFSparkline',
+			'listwidget' => 'SRFListWidget',
+			'pagewidget' => 'SRFPageWidget',
+			'dygraphs' => 'SRFDygraphs',
+			'incoming' => 'SRFIncoming',
+			'media' => 'SRF\MediaPlayer',
+			'datatables' => 'SRF\DataTables',
+			'gantt' => 'SRF\Gantt\GanttPrinter'
+		];
+
+		$formatAliases = [
+			'tagcloud'   => [ 'tag cloud' ],
+			'datatables'   => [ 'datatable' ],
+			'valuerank'  => [ 'value rank' ],
+			'd3chart'    => [ 'd3 chart' ],
+			'timeseries' =>  [ 'time series' ],
+			'jqplotchart' => [ 'jqplot chart', 'jqplotpie', 'jqplotbar' ],
+			'jqplotseries' => [ 'jqplot series' ],
+		];
+
+		if ( class_exists( '\PhpOffice\PhpSpreadsheet\Spreadsheet' ) ) {
+			$formatClasses['spreadsheet'] = 'SRF\SpreadsheetPrinter';
+			$formatAliases['spreadsheet'] = [ 'excel' ];
+		}
+
+		foreach ( $GLOBALS['srfgFormats'] as $format ) {
+			if ( array_key_exists( $format, $formatClasses ) ) {
+				$GLOBALS['smwgResultFormats'][$format] = $formatClasses[$format];
+
+				if ( isset( $GLOBALS['smwgResultAliases'] ) && array_key_exists( $format, $formatAliases ) ) {
+					$GLOBALS['smwgResultAliases'][$format] = $formatAliases[$format];
+				}
+			}
+		}
+	}
+
+	/**
+	 * @since 2.5
+	 *
+	 * @return string|null
+	 */
+	public static function getVersion() {
+		return SRF_VERSION;
+	}
+
+}