I upgraded ubuntu11.04 to 11.10. I get some errors like below. How can I get rid of those? php -v PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php5/20090626+lfs/idn.so' - /usr/lib/php5/20090626+lfs/idn.so: cannot open shared object file: No such file or directory in Unknown on line 0 PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php5/20090626+lfs/sqlite.so' - /usr/lib/php5/20090626+lfs/sqlite.so: cannot open shared object file: No such file or directory in Unknown on line 0 PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php5/20090626+lfs/suhosin.so' - /usr/lib/php5/20090626+lfs/suhosin.so: cannot open shared object file: No such file or directory in Unknown on line 0