X-Git-Url: https://git.heureux-cyclage.org/?a=blobdiff_plain;f=includes%2Fspecials%2FSpecialMyLanguage.php;h=37d96f47cc16ad9178dae81ac02df636b50994c5;hb=0bbe51d765939354e487f5c6c9fcf38fc7cba6e8;hp=3d8ff97bb2ef8e8d8fb95d2ebc1d9c10b9554389;hpb=8d3d266c00ecfdd5c8dc1de19014261376c66b42;p=lhc%2Fweb%2Fwiklou.git

diff --git a/includes/specials/SpecialMyLanguage.php b/includes/specials/SpecialMyLanguage.php
index 3d8ff97bb2..37d96f47cc 100644
--- a/includes/specials/SpecialMyLanguage.php
+++ b/includes/specials/SpecialMyLanguage.php
@@ -81,6 +81,7 @@ class SpecialMyLanguage extends RedirectSpecialArticle {
 		}
 
 		if ( !$base ) {
+			// No subpage provided or base page does not exist
 			return null;
 		}
 
@@ -90,13 +91,48 @@ class SpecialMyLanguage extends RedirectSpecialArticle {
 		}
 
 		$uiCode = $this->getLanguage()->getCode();
+		$wikiLangCode = $this->getConfig()->get( 'LanguageCode' );
+
+		if ( $uiCode === $wikiLangCode ) {
+			// Short circuit when the current UI language is the
+			// wiki's default language to avoid unnecessary page lookups.
+			return $base;
+		}
+
+		// Check for a subpage in current UI language
 		$proposed = $base->getSubpage( $uiCode );
-		if ( $uiCode !== $this->getConfig()->get( 'LanguageCode' ) && $proposed && $proposed->exists() ) {
+		if ( $proposed && $proposed->exists() ) {
 			return $proposed;
-		} elseif ( $provided && $provided->exists() ) {
+		}
+
+		if ( $provided !== $base && $provided->exists() ) {
+			// Explicit language code given and the page exists
 			return $provided;
-		} else {
-			return $base;
 		}
+
+		// Check for fallback languages specified by the UI language
+		$possibilities = Language::getFallbacksFor( $uiCode );
+		foreach ( $possibilities as $lang ) {
+			if ( $lang !== $wikiLangCode ) {
+				$proposed = $base->getSubpage( $lang );
+				if ( $proposed && $proposed->exists() ) {
+					return $proposed;
+				}
+			}
+		}
+
+		// When all else has failed, return the base page
+		return $base;
+	}
+
+	/**
+	 * Target can identify a specific user's language preference.
+	 *
+	 * @see T109724
+	 * @since 1.27
+	 * @return bool
+	 */
+	public function personallyIdentifiableTarget() {
+		return true;
 	}
 }