Follow the GENERIC SCRIPT UPGRADE INSTRUCTIONS for any version >= 5.3.0

New options inside of the config.php file since version 5.3.7:

    'default_size' => '700',                    // default size of the final QRcode. available values: '200', '300', '400', '500', '600', '700', '800'
    'brand_logo' => false,                      // set true to force the first image of /images/watermarks/ as default logo
    'options' => ['colors', 'design', 'logo', 'frame', 'options'] // available options ['colors', 'design', 'logo', 'frame', 'options']
        

QRCDR 5.2.x to 5.3.x

Follow the GENERIC SCRIPT UPGRADE

NOTE: with the Bootstrap 5 version some clesses slightly changed, so you should also replace the following template files:

• /template/navbar.php
• /template/modals.php

Also update the translations inside the folder /translations/

---

QRCDR 5.1.x to 5.2

Follow the GENERIC SCRIPT UPGRADE

Also update the translations inside the folder /translations/

---

QRCDR 4.x to 5

Follow the GENERIC SCRIPT UPGRADE

NOTE: also replace the following files:

• template/footer.php
• template/navbar.php

or simply change the following functions inside these files:

Old version:

<?php echo getString('title').' © '.date('Y'); ?>
<?php echo langMenu('menu'); ?>

New version:

<?php echo qrcdr()->getString('title').' © '.date('Y'); ?>
<?php echo qrcdr()->langMenu('menu'); ?>

Updated options inside the config.php file:

'rounded_buttons' => '["tabnav", "options", "save"]',   // selective Rounded buttons: '["tabnav", "options", "save"]',
'debug_mode' => false,                                  // set true to track errors,
'precision' => 'H',                                     // available: L, M, Q, H