1. Go to this page and download the library: Download twipsi/normalizer 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/ */
twipsi / normalizer example snippets
$string = "Hel lo <br><div>Wor
ld</div>";
Normalizer::normalizeString($string);
Output: "Hello World"