1. Go to this page and download the library: Download shetabit/transformer 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/ */
$transform = new Transform()->use(new Transformer($format));
foreach ($rows as $row) {
$transformed[] = $transform->setOriginalData($row)->get();
}
$transformer = new Transformer();
$transformer->from('f_name')->to('first_name');
$transformer->from('l_name')->to('last_name');
$transformedData = new Transform($originalData)->use($transformer)->get();
$transformer = new Transformer()
->from(['f_name', 'l_name'])
->to(['first_name', 'last_name']);