Updated all dependencies and prepared for PHP 8

classes/ErrorHandler.php

@@ -6,27 +6,25 @@
 
 namespace CloudObjects\PhpMAE;
 
-use Slim\App;
-use Slim\Http\Response;
+use Slim\Psr7\Response;
+use Slim\ResponseEmitter;
 use ML\JsonLD\Node;
 use CloudObjects\SDK\ObjectRetriever;
 
 class ErrorHandler {
 
     private $classMap = [];
-    private $slim;
     private $responseGenerator;
 
-    public function __construct(App $slim) {
-        $this->slim = $slim;
-        ini_set("display_errors", 0);
+    public function __construct() {
+        // ini_set("display_errors", 0);
         $this->setResponseGenerator(function($error, $object) {
             $message = substr($error['message'], 0,  strpos($error['message'], ' in /'));
-            return (new Response(500))
-                ->withHeader('Content-Type', 'text/plain')
-                ->write("Error in implementation of <".$object->getId()."> at revision "
+            $response = (new Response(500))->withHeader('Content-Type', 'text/plain');
+            $response->getBody()->write("Error in implementation of <".$object->getId()."> at revision "
                 . $object->getProperty(ObjectRetriever::REVISION_PROPERTY)->getValue()
                 . ":\n".$message);
+            return $response;
         });
     }
 
@@ -42,9 +40,9 @@ class ErrorHandler {
         $error = error_get_last();
         if ($error !== null && in_array($error['type'], [ E_ERROR, E_COMPILE_ERROR ])
                 && isset($this->classMap[$error['file']])) {
-            
+
             $response = call_user_func($this->responseGenerator, $error, $this->classMap[$error['file']]);
-            $this->slim->respond($response);
+            (new ResponseEmitter())->emit($response);
         }
     }