drupal core 9.3.14 php8.1 compatibilty issue

ldp-1383--drupal-core-9.3.14-php81-compat.patch

diff --git a/core/lib/Drupal/Component/Utility/UrlHelper.php b/core/lib/Drupal/Component/Utility/UrlHelper.php
index b23a213518..90bedaff53 100644
--- a/core/lib/Drupal/Component/Utility/UrlHelper.php
+++ b/core/lib/Drupal/Component/Utility/UrlHelper.php
@@ -211,12 +211,12 @@ public static function encodePath($path) {
    *   TRUE or FALSE, where TRUE indicates an external path.
    */
   public static function isExternal($path) {
-    $colonpos = strpos($path, ':');
+    $colonpos = strpos((string) $path, ':');
     // Some browsers treat \ as / so normalize to forward slashes.
-    $path = str_replace('\\', '/', $path);
+    $path = str_replace('\\', '/', (string) $path);
     // If the path starts with 2 slashes then it is always considered an
     // external URL without an explicit protocol part.
-    return (strpos($path, '//') === 0)
+    return (strpos((string) $path, '//') === 0)
       // Leading control characters may be ignored or mishandled by browsers,
       // so assume such a path may lead to an external location. The \p{C}
       // character class matches all UTF-8 control, unassigned, and private
@@ -226,7 +226,7 @@ public static function isExternal($path) {
       // (/), hash (#) or question_mark (?) before the colon (:) occurrence -
       // if any - as this would clearly mean it is not a URL.
       || ($colonpos !== FALSE
-        && !preg_match('![/?#]!', substr($path, 0, $colonpos))
+        && !preg_match('![/?#]!', substr((string) $path, 0, $colonpos))
         && static::stripDangerousProtocols($path) == $path);
   }

diff --git a/core/lib/Drupal/Core/Utility/Token.php b/core/lib/Drupal/Core/Utility/Token.php
index a250d5892b..75487fd8b5 100644
--- a/core/lib/Drupal/Core/Utility/Token.php
+++ b/core/lib/Drupal/Core/Utility/Token.php
@@ -243,7 +243,7 @@ public function scan($text) {
       :              # : - separator
       ([^\[\]]+)     # match $name not containing [ or ]
       \]             # ] - pattern end
-      /x', $text, $matches);
+      /x', (string) $text, $matches);
 
     $types = $matches[1];
     $tokens = $matches[2];