Php Mbstring Error

Deprecated: Assigning the return value of new by reference is deprecated in /usr/local/lib/php/MDB2.php

To resolve this problemm, install following Pear modules.

#pear install MDB2
#pear install MDB2_Driver_mysql

Then upgrade it.

#pear upgrade MDB2-beta
#pear upgrade MDB2_Driver_Mysql-beta