Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /home/ybetbe/public_html/tests-ip.php:4 Stack trace: #0 /home/ybetbe/public_html/tests-ip.php(15): start_ip() #1 /home/ybetbe/public_html/hard1ch16/hard1_ch16.php(2): include('/home/ybetbe/pu...') #2 {main} thrown in /home/ybetbe/public_html/tests-ip.php on line 4