Refactor headers normalization. Thanks for @shoman4eg

ddrv · ddrv · commit 674346ed75bc · 2022-11-09T20:34:28.000+02:00
diff --git a/composer.json b/composer.json
@@ -14,6 +14,7 @@
   "require": {
     "php": "^7.4 || ^8.0",
     "ext-json": "*",
+    "ext-mbstring": "*",
     "psr/http-client": "^1.0",
     "psr/http-message": "^1.0",
     "psr/http-server-handler": "^1.0"
diff --git a/src/Message/ServerRequest.php b/src/Message/ServerRequest.php
@@ -404,9 +404,7 @@ public function withoutAttribute($name)
 
     private function normalizeHeaderName(string $name): string
     {
-        return preg_replace_callback('/(^|-)[a-z]/u', function (array $matches) {
-            return strtoupper($matches[0]);
-        }, strtolower($name));
+        return mb_convert_case($name, MB_CASE_TITLE);
     }
 
     private function parseBody(string $contentType, string $contents, $allowRecursion = false)

Original file line number	Diff line number	Diff line change
`@@ -404,9 +404,7 @@ public function withoutAttribute($name)`
`404`	`404`
`405`	`405`	`private function normalizeHeaderName(string $name): string`
`406`	`406`	`{`
`407`		`- return preg_replace_callback('/(^\|-)[a-z]/u', function (array $matches) {`
`408`		`- return strtoupper($matches[0]);`
`409`		`- }, strtolower($name));`
	`407`	`+ return mb_convert_case($name, MB_CASE_TITLE);`
`410`	`408`	`}`
`411`	`409`
`412`	`410`	`private function parseBody(string $contentType, string $contents, $allowRecursion = false)`