So in WordPress with plugins etc. you end up using shortcode in posts to keep things simplier, an example would be if you want to display a gallery you would just use:
However trying to this when your outside of the “WordPress Loop” [in your theme files usually] you will hit the problem that WordPress won’t parse the shortcode. So whats the soloution? Super simple just append the following to your shortcode:
echo apply_filters('the_content', '[galleries id="1"]');
Presto, it works!
To read up more on shortcodes in WordPress click here.