Normalize language code case in LangChooser (#1303)

sy-records · web-flow · commit 19786a720f8d · 2025-08-05T08:55:18.000+08:00
diff --git a/src/LangChooser.php b/src/LangChooser.php
@@ -97,7 +97,7 @@ public function chooseCode(
                 // The language part is either a code or a code with a quality
                 // We cannot do anything with a * code, so it is skipped
                 // If the quality is missing, it is assumed to be 1 according to the RFC
-                if (preg_match("!([a-z-]+)(;q=([0-9\\.]+))?!", trim($value), $found)) {
+                if (preg_match("!([a-z-]+)(;q=([0-9\\.]+))?!", strtolower(trim($value)), $found)) {
                     $quality = (isset($found[3]) ? (float) $found[3] : 1.0);
                     $browser_langs[] = [$found[1], $quality];
                 }

Original file line number	Diff line number	Diff line change
`@@ -97,7 +97,7 @@ public function chooseCode(`
`97`	`97`	`// The language part is either a code or a code with a quality`
`98`	`98`	`// We cannot do anything with a * code, so it is skipped`
`99`	`99`	`// If the quality is missing, it is assumed to be 1 according to the RFC`
`100`		`- if (preg_match("!([a-z-]+)(;q=([0-9\\.]+))?!", trim($value), $found)) {`
	`100`	`+ if (preg_match("!([a-z-]+)(;q=([0-9\\.]+))?!", strtolower(trim($value)), $found)) {`
`101`	`101`	`$quality = (isset($found[3]) ? (float) $found[3] : 1.0);`
`102`	`102`	`$browser_langs[] = [$found[1], $quality];`
`103`	`103`	`}`