Initial commit

src/IO/ExceptionHandler.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace IO;
+
+use Throwable;
+
+class ExceptionHandler
+{
+    private static bool $registered = false;
+
+    public static function registerCallback(): void
+    {
+        if (self::$registered) {
+            return;
+        }
+
+        set_exception_handler(static function (Throwable $t) {
+            print($t->getMessage());
+            exit(1);
+        });
+
+        self::$registered = true;
+    }
+}