1. Go to this page and download the library: Download mrgenis/sat-cadenaoriginal 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/ */
mrgenis / sat-cadenaoriginal example snippets
// Versión de CFDI 3.3
MrGenis\Sat\CadenaOriginal33::default_xslt_directory('/absolute-directory/to-store-xslt-files');
MrGenis\Sat\CadenaOriginal33::cadenaOriginal($xml);
// Versión de CFDI 4.0
MrGenis\Sat\CadenaOriginal40::default_xslt_directory('/absolute-directory/to-store-xslt-files');
MrGenis\Sat\CadenaOriginal40::cadenaOriginal($xml);