update

v4_ci4/app/Libraries/QrCodeService.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace App\Libraries;
+
+class QrCodeService
+{
+    public function get(string $landing): string
+    {
+        require_once APPPATH . 'Libraries/phpqrcode-master/qrlib.php';
+
+        $url = base_url('v4/' . $landing);
+
+        ob_start();
+        \QRcode::png($url, null, QR_ECLEVEL_M, 6);
+        return base64_encode(ob_get_clean());
+    }
+
+    public function generate(string $landing): string
+    {
+        // librairie QR
+        require_once APPPATH . 'Libraries/phpqrcode-master/qrlib.php';
+
+        // URL finale (portable CI4)
+        $url = base_url('v4/scan/' . $landing);
+
+        // dossier stockage
+        $dir = WRITEPATH . 'qrcodes/';
+
+        // créer dossier si absent
+        if (!is_dir($dir)) {
+            mkdir($dir, 0755, true);
+        }
+
+        // nom unique (multi-user safe)
+        $filename = 'qr_' . bin2hex(random_bytes(8)) . '.png';
+
+        $filepath = $dir . $filename;
+
+        // génération QR
+        \QRcode::png($url, $filepath, QR_ECLEVEL_M, 6);
+
+        // retour URL web
+        return base_url('writable/qrcodes/' . $filename);
+    }
+}