diff --git a/lib/phpxmlrpc/Server.php b/lib/phpxmlrpc/Server.php
index 1cc965f3d32..efeb1aab93d 100644
--- a/lib/phpxmlrpc/Server.php
+++ b/lib/phpxmlrpc/Server.php
@@ -421,7 +421,7 @@ class Server
             }
         }
         if (isset($wanted)) {
-            return array(0, "Wanted ${wanted}, got ${got} at param ${pno}");
+            return array(0, "Wanted {$wanted}, got {$got} at param {$pno}"); // TODO: Remove this modification in MDL-76415.
         } else {
             return array(0, "No method signature matches number of parameters");
         }
@@ -669,7 +669,7 @@ class Server
                 return new Response(
                     0,
                     PhpXmlRpc::$xmlrpcerr['incorrect_params'],
-                    PhpXmlRpc::$xmlrpcstr['incorrect_params'] . ": ${errStr}"
+                    PhpXmlRpc::$xmlrpcstr['incorrect_params'] . ": {$errStr}" // TODO: Remove this modification in MDL-76415.
                 );
             }
         }
@@ -1020,8 +1020,8 @@ class Server
     public static function _xmlrpcs_multicall_error($err)
     {
         if (is_string($err)) {
-            $str = PhpXmlRpc::$xmlrpcstr["multicall_${err}"];
-            $code = PhpXmlRpc::$xmlrpcerr["multicall_${err}"];
+            $str = PhpXmlRpc::$xmlrpcstr["multicall_{$err}"]; // TODO: Remove this modification in MDL-76415.
+            $code = PhpXmlRpc::$xmlrpcerr["multicall_{$err}"]; // TODO: Remove this modification in MDL-76415.
         } else {
             $code = $err->faultCode();
             $str = $err->faultString();
diff --git a/lib/phpxmlrpc/Value.php b/lib/phpxmlrpc/Value.php
index e058957dc6f..d7d0026594e 100644
--- a/lib/phpxmlrpc/Value.php
+++ b/lib/phpxmlrpc/Value.php
@@ -279,19 +279,19 @@ class Value implements \Countable, \IteratorAggregate, \ArrayAccess
             case 1:
                 switch ($typ) {
                     case static::$xmlrpcBase64:
-                        $rs .= "<${typ}>" . base64_encode($val) . "</${typ}>";
+                        $rs .= "<{$typ}>" . base64_encode($val) . "</{$typ}>"; // TODO: Remove this modification in MDL-76415.
                         break;
                     case static::$xmlrpcBoolean:
-                        $rs .= "<${typ}>" . ($val ? '1' : '0') . "</${typ}>";
+                        $rs .= "<{$typ}>" . ($val ? '1' : '0') . "</{$typ}>"; // TODO: Remove this modification in MDL-76415.
                         break;
                     case static::$xmlrpcString:
                         // Do NOT use htmlentities, since it will produce named html entities, which are invalid xml
-                        $rs .= "<${typ}>" . $this->getCharsetEncoder()->encodeEntities($val, PhpXmlRpc::$xmlrpc_internalencoding, $charsetEncoding) . "</${typ}>";
+                        $rs .= "<{$typ}>" . $this->getCharsetEncoder()->encodeEntities($val, PhpXmlRpc::$xmlrpc_internalencoding, $charsetEncoding) . "</{$typ}>";  // TODO: Remove this modification in MDL-76415.
                         break;
                     case static::$xmlrpcInt:
                     case static::$xmlrpcI4:
                     case static::$xmlrpcI8:
-                        $rs .= "<${typ}>" . (int)$val . "</${typ}>";
+                        $rs .= "<{$typ}>" . (int)$val . "</{$typ}>"; // TODO: Remove this modification in MDL-76415.
                         break;
                     case static::$xmlrpcDouble:
                         // avoid using standard conversion of float to string because it is locale-dependent,
@@ -299,18 +299,18 @@ class Value implements \Countable, \IteratorAggregate, \ArrayAccess
                         // sprintf('%F') could be most likely ok but it fails eg. on 2e-14.
                         // The code below tries its best at keeping max precision while avoiding exp notation,
                         // but there is of course no limit in the number of decimal places to be used...
-                        $rs .= "<${typ}>" . preg_replace('/\\.?0+$/', '', number_format((double)$val, PhpXmlRpc::$xmlpc_double_precision, '.', '')) . "</${typ}>";
+                        $rs .= "<{$typ}>" . preg_replace('/\\.?0+$/', '', number_format((double)$val, PhpXmlRpc::$xmlpc_double_precision, '.', '')) . "</{$typ}>"; // TODO: Remove this modification in MDL-76415.
                         break;
                     case static::$xmlrpcDateTime:
                         if (is_string($val)) {
-                            $rs .= "<${typ}>${val}</${typ}>";
+                            $rs .= "<{$typ}>{$val}</{$typ}>"; // TODO: Remove this modification in MDL-76415.
                         } elseif (is_a($val, 'DateTime') || is_a($val, 'DateTimeInterface')) {
-                            $rs .= "<${typ}>" . $val->format('Ymd\TH:i:s') . "</${typ}>";
+                            $rs .= "<{$typ}>" . $val->format('Ymd\TH:i:s') . "</{$typ}>"; // TODO: Remove this modification in MDL-76415.
                         } elseif (is_int($val)) {
-                            $rs .= "<${typ}>" . date('Ymd\TH:i:s', $val) . "</${typ}>";
+                            $rs .= "<{$typ}>" . date('Ymd\TH:i:s', $val) . "</{$typ}>"; // TODO: Remove this modification in MDL-76415.
                         } else {
                             // not really a good idea here: but what should we output anyway? left for backward compat...
-                            $rs .= "<${typ}>${val}</${typ}>";
+                            $rs .= "<{$typ}>{$val}</{$typ}>"; // TODO: Remove this modification in MDL-76415.
                         }
                         break;
                     case static::$xmlrpcNull:
@@ -323,7 +323,7 @@ class Value implements \Countable, \IteratorAggregate, \ArrayAccess
                     default:
                         // no standard type value should arrive here, but provide a possibility
                         // for xmlrpc values of unknown type...
-                        $rs .= "<${typ}>${val}</${typ}>";
+                        $rs .= "<{$typ}>{$val}</{$typ}>"; // TODO: Remove this modification in MDL-76415.
                 }
                 break;
             case 3:
diff --git a/lib/phpxmlrpc/readme_moodle.txt b/lib/phpxmlrpc/readme_moodle.txt
index ae13fbaaebe..cf02d686ce2 100644
--- a/lib/phpxmlrpc/readme_moodle.txt
+++ b/lib/phpxmlrpc/readme_moodle.txt
@@ -19,4 +19,7 @@ To update:
 Current version imported: 4.8.1 (c74cc31)
 
 Local changes:
- * readme_moodle.txt - this file ;-)
+  * 2023/01/26 - Server.php and Value.php files have minor changes for PHP 8.2 compatibility. See MDL-76415 for more details.
+    Since version 4.9.1, the phpxmlrpc already has the fix, so if someone executing the upgrading version and
+    it has the patch, please ignore this note.
+  * readme_moodle.txt - this file ;-)