How to Add a Sidebar to a WordPress Theme

December 21, 2009

I recently needed a little more control over the sidebar on a theme and had never added a sidebar to a theme before. I wanted certain widgets to show up only on posts and the rest to show up on posts and pages.  The below is how to add the sidebar:

In the functions.php page, we need to modify the code which looks like this:

if ( function_exists('register_sidebar') )

To make it look like this:

if ( function_exists('register_sidebar') )
	register_sidebar(array('name'=>'Top Sidebar',));
	register_sidebar(array('name'=>'Posts Sidebar',));
	register_sidebar(array('name'=>'Bottom Sidebar',));

Now, when calling a sidebar, we just need to call it by name as in the following:

//Top Sidebar
if ( !function_exists('dynamic_sidebar') || !dynamic_sidebar('Top Sidebar') ):
//Posts Sidebar
if ( !function_exists('dynamic_sidebar') || !dynamic_sidebar('Posts Sidebar') ):
//Bottom Sidebar
if ( !function_exists('dynamic_sidebar') || !dynamic_sidebar('Bottom Sidebar') ):

Obviously we have freedom to name our sidebars as we please.  Look for more info on making a sidebar only show up on posts in an upcoming post.

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