Fatal error: Uncaught Error: Call to undefined function mysql_real_escape_string() in /home/riverpub/public_html/flyer_pdf/books_flyer_series.php:21
Stack trace:
#0 /home/riverpub/public_html/flyer_pdf/create_book_flyer_series.php(5): include()
#1 {main}
thrown in /home/riverpub/public_html/flyer_pdf/books_flyer_series.php on line 21