Merge branch '7.3' into 7.4

* 7.3:
  Fix ord()-related PHP 8.5 deprecations
  [FrameworkBundle] Perform-no-deep-merging on workflow transitions' from/to configs
  [HttpKernel] Refine Vary header check to skip special handling of 'Accept-Language' when it's the only entry and '_vary_by_language' is `true` in `CacheAttributeListener`
  [PropertyInfo] Fix getting type from constructor of parent class in PhpStanExtractor

Author: nicolas-grekas

Encoder/QpContentEncoder.php

@@ -46,9 +46,9 @@ private function standardize(string $string): string
         // transform =0D=0A to CRLF
         $string = str_replace(["\t=0D=0A", ' =0D=0A', '=0D=0A'], ["=09\r\n", "=20\r\n", "\r\n"], $string);
 
-        return match (\ord(substr($string, -1))) {
-            0x09 => substr_replace($string, '=09', -1),
-            0x20 => substr_replace($string, '=20', -1),
+        return match ($string[-1] ?? '') {
+            "\x09" => substr_replace($string, '=09', -1),
+            "\x20" => substr_replace($string, '=20', -1),
             default => $string,
         };
     }

Encoder/QpEncoder.php

@@ -183,9 +183,9 @@ private function standardize(string $string): string
     {
         $string = str_replace(["\t=0D=0A", ' =0D=0A', '=0D=0A'], ["=09\r\n", "=20\r\n", "\r\n"], $string);
 
-        return match ($end = \ord(substr($string, -1))) {
-            0x09,
-            0x20 => substr_replace($string, self::QP_MAP[$end], -1),
+        return match ($end = ($string[-1] ?? '')) {
+            "\x09",
+            "\x20" => substr_replace($string, self::QP_MAP[\ord($end)], -1),
             default => $string,
         };
     }