1. Go to this page and download the library: Download josalba/stringplus-php 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/ */
$text = StringPlus::create('Lorem Ipsum')
->concat('')
->concat(null)
->concat('is simply dummy text of the printing and typesetting industry.')
->concat('');
'Lorem Ipsum is simply dummy text of the printing and typesetting industry.'