Notice: Use of undefined constant DB_HOST - assumed 'DB_HOST' in D:\Xule\xule\Ikuu\Old\Exporting\dompdf-master\include\page_cache.cls.php on line 28

Fatal error: Uncaught Error: Call to undefined function pg_connect() in D:\Xule\xule\Ikuu\Old\Exporting\dompdf-master\include\page_cache.cls.php:33 Stack trace: #0 D:\Xule\xule\Ikuu\Old\Exporting\dompdf-master\include\page_cache.cls.php(126): Page_Cache::init() #1 {main} thrown in D:\Xule\xule\Ikuu\Old\Exporting\dompdf-master\include\page_cache.cls.php on line 33