How Do I Add a Filterable Gallery in WordPress?

Adding a filterable gallery in WordPress is a fairly straightforward process, but there are a few things to keep in mind. First, you’ll need to add a few lines of code to your theme’s functions.php file.

Second, you’ll need to create a custom post type for your gallery. Finally, you’ll need to add a filter to your gallery’s posts. Here’s how to do each:.

1. Add a line of code to your theme’s functions.

php file to enable the gallery filter.

2. Create a custom post type for your gallery.

3. Add a filter to your gallery’s posts.

To enable the gallery filter, add the following line of code to your theme’s functions.php file:

add_filter(‘gallery_post_type’, ‘my_gallery_post_type’);

To create a custom post type for your gallery, add the following line of code to your theme’s functions.php file:

add_post_type(‘my_gallery’);

To add a filter to your gallery’s posts, add the following line of code to your theme’s functions.php file:

add_filter(‘gallery_post_filter’, ‘my_gallery_post_filter’);

Now that you’ve added the necessary code to your theme, you can configure the gallery filter. To do this, add the following line of code to your functions.php file:

The ‘my_gallery_post_filter’ filter will allow you to customize the filter used for your gallery posts. In the below example, we’re setting the filter to use the ‘in’ keyword to filter out posts that don’t have a gallery attachment.

add_filter(‘gallery_post_filter’, ‘my_gallery_post_filter’, function( $post ) { if ( ! wp_is_attachment( $post->ID ) ) return $post; return $post->ID == ‘my-gallery-post’ ? ‘in’ : ‘not_in'; });

Now that you’ve added the necessary code to your theme, you’re ready to add the filter to your posts. To do this, add the following line of code to your post’s content:

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