I cant get magicparser to work on my site.I get error.

Warning: realpath() [function.realpath]: open_basedir restriction in effect. File(/usr/local/lib/php/extensions/no-debug-non-zts-20060613) is not within the allowed path(s): (/home/:/tmp) in /home/markn12/public_html/test/MagicParser.o on line 2
extension_dir does not exists /usr/local/lib/php/extensions/no-debug-non-zts-20060613