Add support for PHP 8.0 and PHP 8.1 (#93)

.github/workflows/mediawiki-tests.yml

@@ -62,6 +62,13 @@ jobs:
             experimental: true
             stage: phpunit
 
+          # Latest MediaWiki master - PHP 8.1 (phpunit)
+          - mw: 'master'
+            php: 8.1
+            php-docker: 81
+            experimental: false
+            stage: phpunit
+
           # Latest stable MediaWiki - PHP 7.4 (selenium)
           - mw: 'REL1_39'
             php: 7.4

includes/controllers/PortableInfoboxParserTagController.php

@@ -156,7 +156,7 @@ class PortableInfoboxParserTagController {
 		// (see: PortableInfoboxDataService.class.php)
 
 		$infoboxes = json_decode(
-			self::parserOutputGetPageProperty( $parserOutput, PortableInfoboxDataService::INFOBOXES_PROPERTY_NAME ),
+			self::parserOutputGetPageProperty( $parserOutput, PortableInfoboxDataService::INFOBOXES_PROPERTY_NAME ) ?? '',
 			true
 		);
 

includes/services/Helpers/FileNamespaceSanitizeHelper.php

@@ -65,13 +65,13 @@ class FileNamespaceSanitizeHelper {
 	}
 
 	/**
-	 * @param string $filename
+	 * @param string|null $filename
 	 * @param Language $contLang
 	 *
 	 * @return mixed
 	 */
 	public function sanitizeImageFileName( $filename, $contLang ) {
-		$plainText = $this->convertToPlainText( $filename );
+		$plainText = $this->convertToPlainText( $filename ?? '' );
 		$filePrefixRegex = $this->getFilePrefixRegex( $contLang );
 		$textLines = explode( PHP_EOL, $plainText );
 
@@ -87,7 +87,7 @@ class FileNamespaceSanitizeHelper {
 	}
 
 	/**
-	 * @param $filename
+	 * @param string $filename
 	 *
 	 * @return string
 	 */

includes/services/Parser/MediaWikiParserService.php

@@ -48,7 +48,7 @@ class MediaWikiParserService implements ExternalParser {
 			return $this->cache[$wikitext];
 		}
 
-		$parsed = $this->parser->recursiveTagParse( $wikitext, $this->frame );
+		$parsed = $this->parser->recursiveTagParse( $wikitext ?? '', $this->frame );
 		if ( in_array( substr( $parsed, 0, 1 ), [ '*', '#' ] ) ) {
 			// fix for first item list elements
 			$parsed = "\n" . $parsed;

includes/services/Parser/Nodes/NodeMedia.php

@@ -28,7 +28,7 @@ class NodeMedia extends Node {
 
 	public static function getMarkers( $value, $ext ) {
 		$regex = '/' . Parser::MARKER_PREFIX . "-$ext-[A-F0-9]{8}" . Parser::MARKER_SUFFIX . '/i';
-		if ( preg_match_all( $regex, $value, $out ) ) {
+		if ( preg_match_all( $regex, $value ?? '', $out ) ) {
 			return $out[0];
 		} else {
 			return [];