Something

<VirtualHost *:80>
php_admin_value open_basedir /var/www/example.com/:/usr/local/lib/php:/tmp
DocumentRoot /var/www/example.com/public_html/    
ServerName www.example.com
Options -Indexes
<IfModule mod_suexec.c>
ScriptAlias /cgi-bin/ /var/www/example.com/public_html/cgi-bin/
SuexecUserGroup examplecom www
</IfModule>
DirectoryIndex index.htm index.html index.shtml start.htm start.html start.shtml index.php index.php3 index.php4
ServerAlias example.com *.example.com example.server.net
</VirtualHost>