Fatal error: Uncaught Error: Call to undefined function mysqli_query() in /var/www/html/projects/RandYT/functions.php:17 Stack trace: #0 /var/www/html/projects/RandYT/functions.php(27): crawlVideos() #1 /var/www/html/projects/RandYT/index.php(3): require('/var/www/html/p...') #2 {main} thrown in /var/www/html/projects/RandYT/functions.php on line 17