I have use DB::Connect in my program for accessing the database. I ran my php program this shows the error

DB.php dosyası onların değil.

require_once 'DB.php';

ARMUT :: setErrorHandling (PEAR_ERROR_DIE);

Then I copy the DB.php file and PEAR.php file from another machine to my machine after that If I ran from command line it didn't through the error. while running from browser this shows error. How to solve this problem.? How to install this DB.php?