Direct PHP not working? - Joomla! Forum - community, help and support

hello
i'm pretty new joomla!.... i've done part though , done research before bosting :-)

i installed directphp , enabled extension. when add php code page > click apply , joomla strips php code out. goggled problem , found:
http://docs.joomla.org/why_does_some_html_get_removed_from_articles_in_version_1.5.8%3f
i applied whitelist filtering options both administrator , super administrator. when log in super administrator, joomla still strips php code out. of codes tried are:

code: select all

<?php
  phpinfo();
?>

and

code: select all

current date , time is: <?php echo date('y-m-d h:i:s');?>

i applied instructions in above document still no luck. tried <iframe> html elements , joomla strips out too!!!!!

any appreciated !!!!

i still search process work...