[PHP] php 3 to 4.3

Has anyone had issues with their php scripts not working after upgrading php from 3 to 4.3? I have simplepage thatinserts data into mysql db. Thescripts worked fine untilafter the upgrade. Below is one of my php scripts. When I hit submit, nothing is added to the db :( HTMLHEADTITLEAdd

[PHP] issue with connecting to DB

Here is the code: ?php $link = mysql_connect("xxx", "x", "x") or die("Could not connect: " . mysql_error()); print ("Connected successfully"); mysql_close($link);? WhenI try to connect, I get the following error: Warning: mysql_connect() [function.mysql-connect]: Access denied for