Fatal error: Uncaught Error: Call to undefined function mysql_connect() in D:\phpStudy\WWW\phone\e\class\db\db_mysql.php:15 Stack trace: #0 D:\phpStudy\WWW\phone\e\class\connect.php(156): do_dbconnect('127.0.0.1', '3366', 'root', 'wlbqazwsxEDC!@#', 'lhrb') #1 D:\phpStudy\WWW\phone\e\action\ShowInfo.php(9): db_connect() #2 {main} thrown in D:\phpStudy\WWW\phone\e\class\db\db_mysql.php on line 15