Dear friends: My web site goes smooth in PHP 4.1.1, but it has a lot of problems in PHP 4.3.7 with SQL. So, PHP 4.3.7 has a different SQL commands with PHP 4.1.1?
No, but there are some fairly major changes since then. Check the changelog for what may have changed, or read about the problems you're having by referencing the manual for the function.