First Commit

vendor/endroid/qr-code/src/Encoding/Encoding.php

@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Encoding;
+
+final class Encoding implements EncodingInterface
+{
+    public function __construct(
+        private readonly string $value
+    ) {
+        if ('UTF-8' !== $value) {
+            if (!function_exists('mb_list_encodings')) {
+                throw new \Exception('Unable to validate encoding: make sure the mbstring extension is installed and enabled');
+            }
+
+            if (!in_array($value, mb_list_encodings())) {
+                throw new \Exception(sprintf('Invalid encoding "%s": choose one of '.implode(', ', mb_list_encodings()), $value));
+            }
+        }
+    }
+
+    public function __toString(): string
+    {
+        return $this->value;
+    }
+}

vendor/endroid/qr-code/src/Encoding/EncodingInterface.php

@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Endroid\QrCode\Encoding;
+
+interface EncodingInterface extends \Stringable
+{
+    public function __toString(): string;
+}