Hello Supersky, Thursday, March 31, 2005, 11:49:37 AM, you wrote: S> I am learning how to use Zend studio 4.0 debugger. With internal S> mode, when I debug a program that needs a connection to a Mysql S> database, I get the message "Fatal error</b>: Call to undefined S> function mysql_connect() in <b>D:\Program Files\Apache S> Group\Apache2\htdocs\topiclist.php". Sounds to me like Zend is debugging with the wrong PHP library. mysql_connect() is a PHP4 function, it's mysqli_connect() in PHP5 (by default anyway) - see if it helps swapping over the debug version used in the Zend Studio properties for your project? Best regards, Richard Davey -- http://www.launchcode.co.uk - PHP Development Services "I do not fear computers. I fear the lack of them." - Isaac Asimov -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php