how do i change wordpress default Post URL's

I think PHP is the right section but it might be htaccess.

Here is what i need to do and i think it needs to be changed in the wordpress coding?

i know wordpress gives you the ability to change the URL of your post but i don't want to do that. I want to take what Wordpress creates using the 'pretty permalinks' option and add 'for-sale' at the end of EVERY URL automatically every time a post is created. I would think this is easy but i can't figure it out.

 

Settings->permalinks

Then pick custom structure

/%postname%-for-sale

Code (markup):

That should work

 

In 'Settings' in worpdress CMS you will find a lot of thinks like changing the URL structure. Changing the starting page of your website. Whether you want to set the starting page a blog or page? etc. So do look into them.

 

Oh, and only certain types of Posts which i can identify by post_type.

perfect... thanks..

 

You need to filter the permalink. You could use:

function append_string( $url, $post ) {
    if ( 'my_custom_post_type' == get_post_type( $post ) ) {
        return $url."-forsale";
    }
    return $url;
}
add_filter( 'post_type_link', 'append_string', 10, 2 );

PHP:

I haven't tried this. Here is a documentation from wordpress: http://codex.wordpress.org/Plugin_API/Filter_Reference/post_type_link

 

Wordpress Admin Panel >> Settings >> Permalinks
Hit on Custom Structure (Radio Button)

/%category%/%postname%-%post_id%.html

This should help