Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /home/pretestrwb/domains/pretest.rwb.ac.th/public_html/class/class.db.php:24 Stack trace: #0 /home/pretestrwb/domains/pretest.rwb.ac.th/public_html/class/class.db.php(20): DB->connect() #1 /home/pretestrwb/domains/pretest.rwb.ac.th/public_html/index.php(7): DB->DB() #2 {main} thrown in /home/pretestrwb/domains/pretest.rwb.ac.th/public_html/class/class.db.php on line 24