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How to Attach an Existing Taxonomy to a New Post Type in WordPress

When working on third-party plugins or a purchased theme, we may encounter a situation where we need to attach an existing taxonomy (created by someone else) to a custom post type we’ve created (in our case, “fruits” — see this article).

2021-01-16 Pavel WordPress CommentsNo Comments

How to make custom categories nested

As an example, let’s review a small piece of code that implements a tree with fruits attached to it. In this case, the 'tree' is our custom taxonomy, and 'fruit' is a custom post type used to define fruits with all their parameters (color, taste, etc. — these are not discussed in this article).

2020-10-12 Pavel WordPress CommentsNo Comments

How to Get Your Own Post Type in WordPress by Filtering by the Right Taxonomy

To retrieve a specific post type in WordPress filtered by a custom (or built-in) taxonomy, use the following snippet:

$Posts = get_posts(array(
	'post_type' => 'my-post-type',
	'order' => 'ASC',
	'tax_query' => array(
	array(
			'taxonomy' => 'my-taxonomy',
			'field' => 'slug',
			'terms' => 'event'
		)
	),
	'meta_query' => array(
		'AND',
		array(
			'type' => 'NUMERIC',
			'key' => 'event_date',
			'compare' => '<', 'value' => time()
		),
		array(
			'type' => 'NUMERIC',
			'key' => 'is_archive',
			'compare' => '==',
			'value' => 0
		)
	)
));