html and php tag in article - Joomla! Forum - community, help and support

hello,

having problem html , php tags inside joomla article. tags clenade after saving or applying article. user super administrator , super administrator group not selected inside filter parameteres articles. blacklist(default) checked. in tinymce plugin options code cleanup on startup set no , code cleanup on save set never. code cleaned other editors or no editor, think it's joomla bug or i'm doing wrong. i'm using joomla version 1.5.15.

any please?

http://docs.joomla.org/why_does_some_ht ... n_1.5.8%3f

or can use extension if want : http://extensions.joomla.org/extensions ... in-content

regards