Generate a Vertical barcode using Picqer/Barcode and Help of PeproDev Ultimate Invoice for mPDF

index.php

<?php
/*
* Generate a Vertical barcode using Picqer/Barcode and Help of PeproDev Ultimate Invoice for mPDF
* https://www.linkedin.com/posts/activity-7241606637805858816-Kg9l
*/
try {
  global $PeproUltimateInvoice;
  $generator = $PeproUltimateInvoice->barcode;
  $barcode_text = "123456789";
  $barcode = 'data:image/jpeg;base64,' . base64_encode($generator->getBarcode($barcode_text, $generator::TYPE_CODE_128));;
  echo "<img src='$barcode' rotate='90' style='width:30px; height:100px; margin: 8px 0 4px;'>";
} catch (\Throwable $th) {
  //throw $th;
}