B16478: Fixed stream_get_contents failure in PHP8.1 Generic Error. refs #16478

extension/Classes/Core/Report/RestClient.php

@@ -192,13 +192,14 @@ class RestClient {
 
         $context = stream_context_create($opts);
         $stream = @fopen($url, 'r', false, $context);
-        $output = stream_get_contents($stream);
 
         if ($stream === false) {
             $err = error_get_last();
             throw new Exception("Api call {$method} {$url} failed: " . $err['message'], ERROR_REST_API_CALL);
         }
 
+        $output = stream_get_contents($stream);
+
         // get HTTP status code
         $status_line = $http_response_header[0];
         preg_match('{HTTP\/\S*\s(\d{3})}', $status_line, $match);