1. Go to this page and download the library: Download exinfinite/img-upload 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/ */
exinfinite / img-upload example snippets
composer
//支援jpg、jpeg、png
$img = new Exinfinite\ImgUpload\ImgExif("upload dir", "name of input[type=file]");