1. Go to this page and download the library: Download b13/otf library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
b13 / otf example snippets
defined('TYPO3') or die();
\TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(\B13\Otf\Tca\Registry::class)
->registerFields(
new \B13\Otf\Tca\Configuration('fe_users',
new \B13\Otf\Tca\Field('username'),
new \B13\Otf\Tca\Field('email')
)
);
defined('TYPO3') or die();
\TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(\B13\Otf\Tca\Registry::class)
->registerFields(
new \B13\Otf\Tca\Configuration('fe_users',
(new \B13\Otf\Tca\Field('email'))->addEvaluations('uniqueInPid', 'email')
)
);