[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 simple page that inserts data into mysql db.  The scripts worked fine until after the upgrade.    Below is one of my php scripts.  When I hit submit, nothing is added to the db :(   Add Record /

[PHP] issue with connecting to DB

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