Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /var/www/html/QuickBooks/Driver/Sql/Mysql.php:289 Stack trace: #0 /var/www/html/QuickBooks/Driver/Sql/Mysql.php(206): QuickBooks_Driver_Sql_Mysql->_connect('localhost', 3306, 'root', 'root', 'quickbooks_foxy...', true, 0) #1 /var/www/html/QuickBooks/Driver/Factory.php(97): QuickBooks_Driver_Sql_Mysql->__construct('mysql://root:ro...', Array) #2 /var/www/html/dev/test_guess_unitofmeasure.php(12): QuickBooks_Driver_Factory::create('mysql://root:ro...') #3 {main} thrown in /var/www/html/QuickBooks/Driver/Sql/Mysql.php on line 289